Third-Party Tested Supplements
Every supplement listed here has been independently tested by a third-party lab such as USP, NSF, ConsumerLab, or Informed Choice. Third-party testing verifies that what is on the label matches what is in the bottle.
255 products across 62 categories
TL;DR — Quick Answer
These supplements have all been independently verified by third-party testing organizations like USP, NSF, or ConsumerLab, ensuring label accuracy, purity, and potency.
Best Ashwagandha Supplements
Full comparison →
Jarrow Formulas Ashwagandha 300mg
Jarrow Formulas
9.4
Third-Party Tested300mg (5% withanolides), 2 caps = 600mg
$0.40/serving
Nutricost Ashwagandha KSM-66 600mg
Nutricost
8.9
Third-Party Tested, Non-GMO, Gluten Free600mg KSM-66
$0.17/serving
NaturaLife Labs Organic Ashwagandha with Black Pepper
NaturaLife Labs
8.6
USDA Organic1,300mg root powder + 10mg BioPerine
$0.13/serving
Best Saffron Supplements
Full comparison →
Nootropics Depot affron Saffron Extract
Nootropics Depot
9.2
In-House Lab Tested28mg affron per capsule
$0.42/serving
Life Extension Optimized Saffron
Life Extension
8.4
Third-Party Tested88.25mg saffron extract per capsule
$0.38/serving
NOW Foods Saffron
NOW Foods
8
GMP Certified30mg saffron extract per capsule
$0.28/serving
Best Tongkat Ali Supplements
Full comparison →
Nootropics Depot Tongkat Ali 10% Eurycomanone
Nootropics Depot
9.2
In-House and Third-Party Tested200mg per serving (1 capsule)
$0.67/serving
Peak Performance Tongkat Ali + Fadogia Agrestis Complex
Peak Performance
9
Third-Party Tested500mg tongkat ali + 600mg fadogia per serving
$0.50/serving
Double Wood Supplements LJ100 Tongkat Ali
Double Wood Supplements
8.8
Third-Party Tested200mg per serving (1 capsule)
$0.50/serving
Micro Ingredients Tongkat Ali Extract 200:1
Micro Ingredients
8.1
Third-Party Tested1,000mg per serving (2 capsules)
$0.22/serving
Solaray Tongkat Ali Root Extract
Solaray
8
GMP Certified400mg per serving (1 capsule)
$0.33/serving
Best Rhodiola Rosea Supplements
Full comparison →
Thorne Rhodiola Rosea
Thorne
9.2
NSF Certified for Sport100mg per capsule (200-300mg recommended)
$0.23/serving
Life Extension Rhodiola Extract
Life Extension
9
Third-Party Tested250mg per capsule
$0.18/serving
NOW Foods Rhodiola 500mg
NOW Foods
8.8
GMP Certified, Third-Party Tested500mg per capsule
$0.14/serving
Jarrow Formulas Rhodiola Rosea 500mg
Jarrow Formulas
8.6
Third-Party Tested500mg per capsule
$0.17/serving
Gaia Herbs Rhodiola Rosea
Gaia Herbs
8.5
Third-Party Tested275mg rhodiola extract per capsule
$0.30/serving
Best Reds & Beet Root Powders
Full comparison →
HumanN SuperBeets Black Cherry Powder
HumanN
8.9
Third-Party Tested1 teaspoon (5g) concentrated beet crystals
~$1.30/serving
Garden of Life Raw Organic Red Superfood Powder
Garden of Life
8.5
USDA Organic, Non-GMO Project Verified1 scoop organic reds blend
~$1.00/serving
Force Factor Total Beets Soft Chews
Force Factor
8.2
Third-Party Tested2 soft chews (beet root + antioxidants)
~$0.45/serving
Best Quercetin Supplements
Full comparison →
Thorne Quercetin Phytosome
Thorne
9.4
NSF Certified for Sport250mg quercetin phytosome per capsule
$0.52/serving
NOW Foods Quercetin with Bromelain
NOW Foods
8.5
GMP Certified400mg quercetin + 100mg bromelain
$0.24/serving
Pure Encapsulations Quercetin
Pure Encapsulations
8.3
Third-Party Tested500mg quercetin per serving (2 capsules)
$0.40/serving
Life Extension Bio-Quercetin
Life Extension
8.2
Third-Party Tested150mg bio-enhanced quercetin
$0.15/serving
Jarrow Formulas Quercetin 500mg
Jarrow Formulas
7.9
GMP Certified500mg quercetin
$0.18/serving
Best Dandelion Root Supplements
Full comparison →
Peak Performance Organic Dandelion Root Capsules
Peak Performance
8.9
Third-Party Tested1,500mg per serving (2 capsules)
$0.33/serving
Gaia Herbs Dandelion Root
Gaia Herbs
8.7
Third-Party Tested1,600mg equivalent per serving (2 liquid capsules)
$0.47/serving
Oregon's Wild Harvest Dandelion Root
Oregon's Wild Harvest
8.5
Third-Party Tested1,500mg per serving (3 capsules)
$0.42/serving
Nature's Way Dandelion Root
Nature's Way
8.4
TRU-ID Verified1,575mg per serving (3 capsules)
$0.15/serving
Traditional Medicinals Organic Roasted Dandelion Root Tea
Traditional Medicinals
8.2
Pharmacopoeial Standards1 tea bag per serving
$0.30/serving
Solaray Dandelion Root
Solaray
8
GMP Certified1,040mg per serving (2 capsules)
$0.10/serving
Best Aged Black Garlic Supplements
Full comparison →
Kyolic Aged Garlic Extract (Original)
Kyolic
9.2
Third-Party Tested600mg aged garlic extract per capsule
$0.17/serving
Zhou Nutrition Fermented Black Garlic
Zhou Nutrition
8.3
Third-Party Tested500mg fermented black garlic per capsule
$0.33/serving
Naturevibe Botanicals Organic Black Garlic Capsules
Naturevibe Botanicals
7.6
Third-Party Tested500mg organic black garlic per capsule
$0.23/serving
Nutricost Odorless Garlic Extract
Nutricost
7.2
Third-Party Tested1000mg garlic extract per softgel
$0.06/serving
Best Turmeric Supplements
Full comparison →
Thorne Meriva-SF Curcumin Phytosome
Thorne
9.3
NSF Certified for Sport500mg Meriva (100mg curcuminoids) per capsule
$0.42/serving
Life Extension Advanced Curcumin Elite
Life Extension
9
Third-Party Tested500mg BCM-95 curcumin per capsule
$0.35/serving
NOW Foods Curcumin with BioPerine
NOW Foods
8.7
GMP Certified, Third-Party Tested500mg curcuminoids + 5mg BioPerine per capsule
$0.16/serving
Jarrow Formulas Curcumin 95
Jarrow Formulas
8.5
Third-Party Tested500mg curcuminoids per capsule
$0.20/serving
Nature Made Turmeric Curcumin 500mg
Nature Made
8.2
USP Verified500mg turmeric extract per capsule
$0.14/serving
Best Green Tea Extract Supplements
Full comparison →
Life Extension Mega Green Tea Extract (Decaffeinated)
Life Extension
9.2
Third-Party Tested725mg green tea extract (326mg EGCg) per capsule
$0.22/serving
NOW Foods EGCg Green Tea Extract 400mg
NOW Foods
9
GMP Certified, Third-Party Tested400mg green tea extract (200mg EGCg) per capsule
$0.10/serving
Jarrow Formulas Green Tea 500mg
Jarrow Formulas
8.6
Third-Party Tested500mg green tea extract (250mg polyphenols) per capsule
$0.12/serving
Best Mushroom Coffee
Full comparison →
Organic Mushroom Coffee Pods (18ct)
Peak Performance
8.7
USDA Organic5 mushroom blend per pod
~$1.50/serving
Mushroom Coffee (30 servings)
RYZE
8.5
Organic6 mushroom blend per serving
~$1.20/serving
Focus Mushroom Coffee Pods (16ct)
VitaCup
8.4
Partial organic2 mushrooms + vitamin blend per pod
~$0.94/serving
Think Coffee Pods (24ct)
Four Sigmatic
8.3
USDA OrganicLion's mane + chaga per pod
~$1.25/serving
Best Omega-3 & Fish Oil Supplements
Full comparison →
Nordic Naturals Ultimate Omega
Nordic Naturals
9.4
IFOS 5-Star1,100mg EPA+DHA per serving
$0.28/serving
Sports Research Triple Strength Omega-3
Sports Research
9.1
IFOS 5-Star1,040mg EPA+DHA per softgel
$0.24/serving
WHC UnoCardio 1000 + Vitamin D
WHC
9
IFOS 5-Star1,135mg EPA+DHA per serving
$0.63/serving
Viva Naturals Omega-3 Fish Oil
Viva Naturals
8.7
IFOS 5-Star700mg EPA+DHA per softgel
$0.17/serving
Nordic Naturals Algae Omega
Nordic Naturals
8.6
Third-Party Tested715mg EPA+DHA per serving (2 softgels)
$0.48/serving
Kirkland Signature Fish Oil 1000mg
Kirkland Signature (Costco)
8.4
USP Verified830mg EPA+DHA (2 softgels)
$0.06/serving
Best Paraxanthine Supplements
Full comparison →
Peak Performance Paraxanthine Capsules
Peak Performance
9
Third-Party Tested200mg paraxanthine per capsule
$0.75/serving
MANDO Focus Capsules
MANDO
8.1
GMP Certified150mg paraxanthine + nootropic blend
$1.33/serving
BulkSupplements Paraxanthine Powder
BulkSupplements
8
Third-Party Tested200mg per scoop
$0.50/serving
Best L-Theanine Supplements
Full comparison →
Jarrow Formulas Theanine 200mg
Jarrow Formulas
9.3
Third-Party Tested200mg Suntheanine per capsule
$0.14/serving
NOW Foods L-Theanine 200mg
NOW Foods
9
GMP Certified, Third-Party Tested200mg Suntheanine + 100mg inositol per capsule
$0.11/serving
Sports Research Suntheanine L-Theanine 200mg
Sports Research
8.9
Third-Party Tested, Non-GMO Project Verified200mg Suntheanine per softgel
$0.18/serving
Thorne Theanine
Thorne
8.7
NSF Certified for Sport200mg L-theanine per capsule
$0.28/serving
Nature Made Chewable L-Theanine 200mg
Nature Made
8.3
USP Verified200mg L-theanine per chewable tablet
$0.22/serving
Best Lion's Mane Supplements
Full comparison →
Real Mushrooms Lion's Mane
Real Mushrooms
9.3
Third-Party Tested (beta-glucan verified)500mg lion's mane extract per capsule (1000mg daily)
$0.43/serving
Nootropics Depot Lion's Mane 8:1 Extract
Nootropics Depot
9
Third-Party Tested (in-house lab)500mg 8:1 dual extract per capsule (equivalent to 4000mg whole mushroom)
$0.55/serving
FreshCap Thinkergy
FreshCap
8.6
Third-Party Tested (beta-glucan verified)Lion's mane 500mg + cordyceps 250mg + rhodiola 150mg per serving
$0.50/serving
Host Defense Lion's Mane
Host Defense
7.5
USDA Organic500mg mycelium biomass per capsule (1000mg daily)
$0.40/serving
Best Phosphatidylserine Supplements
Full comparison →
Jarrow Formulas PS 100
Jarrow Formulas
9.1
Third-Party Tested100mg phosphatidylserine per softgel
$0.25/serving
Doctor's Best Phosphatidylserine with SerinAid
Doctor's Best
8.8
Third-Party Tested100mg phosphatidylserine per softgel
$0.28/serving
NOW Foods Phosphatidylserine 100mg
NOW Foods
8.6
GMP Certified, Third-Party Tested100mg phosphatidylserine per capsule
$0.20/serving
Best Lutein Supplements
Full comparison →
MacuHealth Plus+
MacuHealth
9.4
Third-Party Tested10mg lutein + 10mg meso-zeaxanthin + 2mg zeaxanthin per softgel
$0.83/serving
Bausch + Lomb PreserVision AREDS 2 Formula
Bausch + Lomb
9.2
Third-Party Tested10mg lutein + 2mg zeaxanthin + AREDS2 vitamins/minerals per serving (2 softgels)
$0.45/serving
NOW Foods Lutein & Zeaxanthin
NOW Foods
8.8
GMP Certified, Third-Party Tested25mg lutein + 5mg zeaxanthin per softgel
$0.25/serving
Best Vitamin A Supplements
Full comparison →
Nordic Naturals Vitamin A + D3
Nordic Naturals
8.9
Third-Party Tested3,000 IU vitamin A + 1,000 IU vitamin D3 per softgel
$0.18/serving
NOW Foods Vitamin A 10,000 IU
NOW Foods
8.8
GMP Certified, Third-Party Tested10,000 IU (3,000 mcg RAE) per softgel
$0.04/serving
Garden of Life Vitamin Code Raw Vitamin A
Garden of Life
8.6
Third-Party Tested, Non-GMO Project Verified7,500 IU (2,250 mcg RAE) per capsule
$0.28/serving
Best Creatine Supplements
Full comparison →
Optimum Nutrition Micronized Creatine Monohydrate Powder
Optimum Nutrition
9.5
Informed Choice + Creapure5g per serving
$0.24/serving
Nutricost Creatine Monohydrate Micronized Powder
Nutricost
9
Third-Party Tested, Non-GMO5g per serving
$0.12/serving
Best Beef Protein Powder
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Peak Performance Chocolate Beef Protein Isolate
Peak Performance
9.2
Third-Party TestedFull serving beef protein isolate
~$1.50/serving
Equip Prime Protein
Equip Foods
8.8
Third-Party Tested21g protein per serving
~$2.50/serving
Nutricost Beef Protein Isolate Powder
Nutricost
8.3
Third-Party Tested, Non-GMO25g protein per serving
~$1.00/serving
Best Collagen Supplements
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Vital Proteins Collagen Peptides
Vital Proteins
9.3
Third-Party Tested, NSF Certified20g collagen peptides per serving
$1.40/serving
Garden of Life Grass Fed Collagen Peptides
Garden of Life
8.7
NSF Certified, Non-GMO Project Verified20g collagen per serving
$1.15/serving
Sports Research Marine Collagen
Sports Research
8.6
Third-Party Tested11g marine collagen per serving
$1.20/serving
Ancient Nutrition Multi Collagen Protein
Ancient Nutrition
8.5
Third-Party Tested9g collagen per serving
$1.75/serving
NOW Foods UC-II Undenatured Type II Collagen
NOW Foods
8.4
GMP Certified40mg UC-II per capsule
$0.25/serving
Best Nitric Oxide Supplements
Full comparison →
Transparent Labs Bulk Pre-Workout
Transparent Labs
9.2
Third-Party Tested8g citrulline malate (2:1)
$1.50/serving
Jacked Factory N.O. XT Nitric Oxide Booster
Jacked Factory
8.9
Third-Party Tested7g L-citrulline + 1.5g Nitrosigine
$1.17/serving
Nutricost L-Citrulline
Nutricost
8.4
Third-Party Tested3g per scoop (use 2 scoops for 6g clinical dose)
$0.20/serving
HumanN SuperBeets Heart Chews
HumanN
8.2
Third-Party Tested500mg beetroot concentrate per serving
$0.83/serving
Best Bone Marrow Supplements
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Ancestral Supplements Grass Fed Bone Marrow
Ancestral Supplements
9.1
Third-Party Tested3,000mg per serving (6 capsules)
$1.30/serving
Peak Performance Grass Fed Bone Marrow Capsules
Peak Performance
9
Third-Party Tested3,000mg per serving (6 capsules)
$0.83/serving
Paleovalley Grass Fed Bone Marrow Complex
Paleovalley
8.7
Third-Party Tested3,600mg per serving (6 capsules)
$1.17/serving
Enviromedica Ancestral Supplements Bone Marrow
Enviromedica
8.6
Third-Party Tested2,700mg per serving (6 capsules)
$1.10/serving
Dr. Mercola Bone Marrow
Dr. Mercola
8.4
Third-Party Tested2,800mg per serving (4 capsules)
$1.00/serving
One Earth Health Grass Fed Bone Marrow
One Earth Health
8.3
GMP Certified3,000mg per serving (6 capsules)
$0.67/serving
Best Essential Amino Acid (EAA) Supplements
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Kion Essential Amino Acids
Kion
9
Informed Sport Certified5g total EAAs per serving
$1.67/serving
Transparent Labs CoreSeries BCAA + EAA
Transparent Labs
8.7
Third-Party Tested11g total EAAs per serving (incl. 8g BCAAs)
$1.33/serving
Nutricost EAA Powder
Nutricost
8.2
Third-Party Tested8g total EAAs per serving
$0.57/serving
NOW Sports Amino-9 Essentials
NOW Foods
7.6
GMP Certified3.2g per serving (4 capsules)
$0.38/serving
Best Whey Protein Powders
Full comparison →
Momentous Essential Grass-Fed Whey
Momentous
9.4
Informed Sport Certified, NSF Certified for Sport25g protein per scoop
$2.50/serving
Transparent Labs 100% Grass-Fed Whey
Transparent Labs
9.2
Informed Sport Certified28g protein per scoop
$1.80/serving
Optimum Nutrition Gold Standard 100% Whey
Optimum Nutrition
9
Informed Choice Certified24g protein per scoop
$1.10/serving
Dymatize ISO100 Hydrolyzed Whey
Dymatize
8.8
Informed Choice Certified25g protein per scoop
$1.30/serving
Best HMB Supplements
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Optimum Nutrition HMB 1000mg
Optimum Nutrition
9
Informed Choice Certified1000mg calcium HMB per capsule
$0.55/serving
BulkSupplements HMB Powder
BulkSupplements
8.5
Third-Party Tested (FDA-registered facility)1000mg (1g) per scoop
$0.25/serving
NOW Sports HMB 500mg
NOW Sports
8.3
GMP Certified, Informed Sport Certified500mg calcium HMB per capsule
$0.18/serving
Best Tributyrin Supplements
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BodyBio Butyrate
BodyBio
9
Third-Party Tested600mg butyrate (as calcium/magnesium salt)
$0.50/serving
ProButyrate
Tesseract Medical Research
8.3
Third-Party Tested300mg tributyrin per capsule
$0.43/serving
Sunbutyrate Liquid Butyrate
Sunbutyrate
8
Third-Party Tested750mg tributyrin per serving
$0.83/serving
Best Colostrum Supplements
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Sovereign Laboratories Colostrum-LD
Sovereign Laboratories
9.2
Third-Party Tested1.5g colostrum per serving (liposomal)
$1.17/serving
Peak Performance Colostrum Powder
Peak Performance
8.9
Third-Party Tested10g colostrum per serving
$0.83/serving
ARMRA Colostrum
ARMRA
8.6
Third-Party Tested2g colostrum per serving (proprietary extraction)
$2.00/serving
PureNative Colostrum Powder
PureNative
8.5
Third-Party Tested20g colostrum per serving
$1.33/serving
WonderCow Colostrum Capsules
WonderCow
8.4
Third-Party Tested1000mg colostrum per serving
$0.67/serving
NOW Foods Colostrum 500mg
NOW Foods
7.8
GMP Certified500mg per capsule (1g per 2-capsule serving)
$0.14/serving
Best Psyllium Husk Supplements
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NOW Foods Psyllium Husk Powder
NOW Foods
9
GMP Certified7g per serving (1 tablespoon) providing 6g fiber
$0.12/serving
Peak Performance Organic Psyllium Husk Capsules
Peak Performance
8.8
Third-Party Tested1,500mg per serving (3 capsules)
$0.25/serving
Organic India Whole Husk Psyllium
Organic India
8.7
Third-Party Tested5g per serving (1 tablespoon) providing 4g fiber
$0.18/serving
Konsyl Original Formula Psyllium Fiber
Konsyl
8.5
Pharmaceutical Grade6g per serving providing 5g fiber
$0.42/serving
Yerba Prima Psyllium Whole Husks
Yerba Prima
8.3
GMP Certified4.5g per serving providing 4g fiber
$0.10/serving
Metamucil Premium Blend, Sugar-Free
Metamucil
8.2
USP Verified5.4g per serving providing 3.6g fiber
$0.38/serving
Best Akkermansia Supplements
Full comparison →
Pendulum Akkermansia
Pendulum
8.8
Third-Party Tested100 million AFU per capsule
$2.30/serving
Seed DS-01 Daily Synbiotic
Seed
8.3
Third-Party Tested53.6 billion AFU per serving
$1.63/serving
WholeBiome Akkermansia
WholeBiome
7.8
GMP CertifiedAkkermansia blend per serving
$1.33/serving
Best Probiotic Supplements
Full comparison →
Garden of Life Dr. Formulated Probiotics Once Daily 30 Billion
Garden of Life
9.2
Third-Party Tested, Non-GMO Project Verified30 billion CFU per capsule
$0.43/serving
Jarrow Formulas Jarro-Dophilus EPS
Jarrow Formulas
9
Third-Party Tested25 billion CFU per capsule
$0.40/serving
Culturelle Digestive Daily Probiotic
Culturelle
8.9
Third-Party Tested10 billion CFU per capsule
$0.33/serving
NOW Foods Probiotic-10 25 Billion
NOW Foods
8.8
GMP Certified, Third-Party Tested25 billion CFU per capsule
$0.18/serving
Thorne FloraPro-LP Probiotic
Thorne
8.5
NSF Certified for Sport8 billion CFU per tablet
$0.50/serving
Best Glucomannan Supplements
Full comparison →
NOW Foods Glucomannan 575mg
NOW Foods
9
GMP Certified, Third-Party Tested575mg glucomannan per capsule (3 capsules = 1,725mg per serving)
$0.12/serving
Nature's Way Glucomannan from Konjac Root
Nature's Way
8.8
TRU-ID Certified, Third-Party Tested1,995mg glucomannan per serving (3 capsules)
$0.14/serving
Nutricost Glucomannan 1,800mg
Nutricost
8.7
Third-Party Tested1,800mg glucomannan per serving (3 capsules)
$0.09/serving
Best CoQ10 Supplements
Full comparison →
Jarrow Formulas QH-Absorb Ubiquinol 100mg
Jarrow Formulas
9.3
Third-Party Tested100mg ubiquinol per softgel
$0.45/serving
Life Extension Super Ubiquinol CoQ10 100mg with Enhanced Mitochondrial Support
Life Extension
9.1
Third-Party Tested100mg ubiquinol + 100mg PrimaVie shilajit per softgel
$0.52/serving
NOW Foods CoQ10 200mg with Vitamin E
NOW Foods
8.8
GMP Certified, Third-Party Tested200mg ubiquinone + vitamin E per softgel
$0.28/serving
Thorne CoQ10 (formerly Q-Best 100)
Thorne
8.7
NSF Certified for Sport100mg ubiquinone per gelcap
$0.38/serving
Garden of Life Raw CoQ10 200mg
Garden of Life
8.2
Third-Party Tested, Non-GMO Project Verified200mg ubiquinone per capsule
$0.62/serving
Best Red Yeast Rice Supplements
Full comparison →
Thorne Choleast
Thorne
9.2
NSF Certified for Sport600mg red yeast rice per capsule (1200mg daily)
$0.50/serving
Jarrow Formulas Red Yeast Rice + CoQ10
Jarrow Formulas
9
Third-Party Tested600mg red yeast rice + 30mg CoQ10 per capsule
$0.35/serving
NOW Foods Red Yeast Rice 1200mg
NOW Foods
8.6
GMP Certified, Third-Party Tested1200mg red yeast rice per 2-capsule serving
$0.22/serving
Nature's Sunshine Red Yeast Rice
Nature's Sunshine
8.3
Third-Party Tested600mg red yeast rice per capsule (1200mg daily)
$0.40/serving
Best Vitamin K2 Supplements
Full comparison →
Innovix Labs Full Spectrum Vitamin K2
Innovix Labs
9.1
Third-Party Tested500mcg MK-4 + 100mcg MK-7 per softgel
$0.30/serving
Life Extension Super K
Life Extension
9
Third-Party Tested1500mcg K1 + 1000mcg MK-4 + 100mcg MK-7 per softgel
$0.22/serving
NOW Foods MK-7 100mcg
NOW Foods
8.7
GMP Certified, Third-Party Tested100mcg MK-7 per capsule
$0.12/serving
Jarrow Formulas MK-7 90mcg
Jarrow Formulas
8.5
Third-Party Tested90mcg MK-7 per softgel
$0.15/serving
Best Greens Powders
Full comparison →
Athletic Greens AG1
Athletic Greens
9
NSF Certified for Sport12g per serving (75 vitamins, minerals, and superfoods)
$2.63/serving
Transparent Labs Prebiotic Greens
Transparent Labs
8.8
Third-Party Tested10g per serving with all doses disclosed
$1.33/serving
Peak Performance Greens Superfood Powder
Peak Performance
8.7
Third-Party TestedOrganic greens blend per scoop
$0.83/serving
Garden of Life Raw Organic Perfect Food Green Superfood
Garden of Life
8.5
Third-Party Tested, USDA Organic8.5g organic greens per serving
$1.17/serving
Bloom Greens & Superfoods
Bloom Nutrition
8.3
Third-Party Tested5.3g greens blend per serving
$1.00/serving
Best Turkey Tail Supplements
Full comparison →
Real Mushrooms Turkey Tail Extract Capsules
Real Mushrooms
9.1
Third-Party Tested500mg extract per capsule, 2 per serving (1000mg)
$0.47/serving
FreshCap Turkey Tail Capsules
FreshCap
8.6
Third-Party Tested500mg per capsule, 2 per serving (1000mg)
$0.50/serving
Host Defense Turkey Tail Capsules
Host Defense
7.8
Third-Party Tested1g per serving (2 capsules)
$0.53/serving
Best Milk Thistle Supplements
Full comparison →
Integrative Therapeutics Siliphos
Integrative Therapeutics
9.2
Third-Party Tested160mg silybin phytosome per capsule
$0.50/serving
Jarrow Formulas Milk Thistle 150mg
Jarrow Formulas
9
Third-Party Tested150mg silymarin (80% standardized) per capsule
$0.12/serving
NOW Foods Silymarin 300mg
NOW Foods
8.8
GMP Certified, Third-Party Tested300mg silymarin (from 375mg extract at 80%) per capsule
$0.14/serving
Nature's Way Milk Thistle
Nature's Way
8.5
TRU-ID Certified, Third-Party Tested175mg silymarin per capsule
$0.11/serving
Best NAC Supplements
Full comparison →
NOW Foods NAC 600mg
NOW Foods
9.1
GMP Certified, Third-Party Tested600mg NAC per capsule
$0.10/serving
Jarrow Formulas N-A-C Sustain 600mg
Jarrow Formulas
8.9
Third-Party Tested600mg NAC per bilayer tablet (sustained-release)
$0.18/serving
Life Extension NAC 600mg
Life Extension
8.7
Third-Party Tested600mg NAC per capsule
$0.14/serving
Best TUDCA Supplements
Full comparison →
Thorne Liver Cleanse
Thorne
9
NSF Certified for SportTUDCA + silymarin phytosome + NAC per serving
$0.72/serving
Nutricost TUDCA 250mg
Nutricost
8.8
Third-Party Tested250mg TUDCA per capsule
$0.33/serving
Double Wood Supplements TUDCA 500mg
Double Wood Supplements
8.6
Third-Party Tested500mg TUDCA per serving (2 capsules)
$0.53/serving
Best Berberine Supplements
Full comparison →
Peak Performance Super Berberine + Wild Bitter Melon
Peak Performance
9.3
Third-Party TestedBerberine HCl + bitter melon per serving
~$0.65/serving
Thorne Berberine-500
Thorne
8.9
NSF Certified for Sport500mg berberine HCl per capsule
~$0.70/serving
Sunergetic Premium Berberine Supplement
Sunergetic
8.6
Third-Party Tested, Non-GMO1,200mg berberine HCl per serving (2 capsules)
~$0.30/serving
Integrative Therapeutics Berberine Complex
Integrative Therapeutics
8.4
Third-Party Tested500mg berberine HCl + botanical complex per capsule
~$0.55/serving
Best NMN Supplements
Full comparison →
ProHealth Longevity NMN Pro 500
ProHealth Longevity
9.3
Third-Party Tested (CoA Available)500mg NMN per capsule
$1.33/serving
Peak Performance NMN 500mg Capsules
Peak Performance
8.9
Third-Party Tested500mg NMN per serving
$0.83/serving
DoNotAge Pure NMN Capsules
DoNotAge
8.8
Third-Party Tested (CoA Available)500mg NMN per serving
$1.50/serving
Renue By Science NMN Sublingual Tablets
Renue By Science
8.7
Third-Party Tested (CoA Available)250mg NMN per tablet (sublingual)
$1.00/serving
Renue By Science Lipo NMN
Renue By Science
8.5
Third-Party Tested (CoA Available)250mg NMN per capsule (liposomal)
$1.17/serving
Alive By Science NMN Powder
Alive By Science
8.3
Third-Party Tested500mg per scoop
$0.93/serving
Best Desiccated Thyroid Supplements
Full comparison →
Ancestral Supplements Grass Fed Beef Thyroid
Ancestral Supplements
8.9
Third-Party Tested500mg per capsule (6 capsules/serving = 3000mg)
$1.27/serving
Dr. Ron's Ultra-Pure Thyroid Glandular
Dr. Ron's
8.1
Third-Party Tested130mg thyroid tissue per capsule
$0.47/serving
Enviromedica Beef Organ Complex
Enviromedica
7.9
Third-Party TestedMulti-organ blend per serving
$1.00/serving
Swanson Thyroid Glandular
Swanson
7.5
GMP Certified200mg thyroid tissue per capsule
$0.06/serving
Nutricost Thyroid Bovine Supplement
Nutricost
7.3
Third-Party Tested65mg thyroid tissue per capsule
$0.13/serving
Best Saw Palmetto Supplements
Full comparison →
Doctor's Best Saw Palmetto with Euromed
Doctor's Best
9.3
Third-Party Tested320mg Euromed extract per softgel
$0.25/serving
NOW Foods Saw Palmetto Extract 320mg
NOW Foods
9.1
GMP Certified, Third-Party Tested320mg standardized extract per softgel
$0.18/serving
Nature's Way Saw Palmetto
Nature's Way
8.2
TRU-ID Certified320mg extract per capsule
$0.14/serving
Best Pygeum Supplements
Full comparison →
Life Extension Ultra Prostate Formula
Life Extension
9.2
Third-Party Tested100mg pygeum + 320mg saw palmetto + beta-sitosterol + nettle root per serving
$0.65/serving
NOW Foods Pygeum & Saw Palmetto
NOW Foods
9
GMP Certified, Third-Party Tested50mg pygeum + 160mg saw palmetto per softgel (2 softgels = 100mg pygeum + 320mg saw palmetto)
$0.22/serving
Swanson Pygeum 100mg
Swanson
8.3
GMP Certified100mg pygeum bark extract per capsule
$0.08/serving
Best Beta-Sitosterol Supplements
Full comparison →
Life Extension Super Saw Palmetto/Nettle Root with Beta-Sitosterol
Life Extension
9
Third-Party TestedBeta-sitosterol + 320mg saw palmetto + nettle root per serving
$0.42/serving
NOW Foods Beta-Sitosterol Plant Sterols
NOW Foods
8.9
GMP Certified, Third-Party Tested400mg plant sterols (including beta-sitosterol) per serving
$0.15/serving
Source Naturals Beta-Sitosterol
Source Naturals
8.5
Third-Party Tested113mg beta-sitosterol per tablet
$0.12/serving
Best Magnesium Supplements
Full comparison →
Doctor's Best High Absorption Magnesium Glycinate
Doctor's Best
9.2
Third-Party Tested200mg elemental Mg per serving
$0.14/serving
Thorne Magnesium Bisglycinate Powder
Thorne
8.9
NSF Certified for Sport200mg elemental Mg
$0.58/serving
Nature Made Magnesium Citrate 250mg
Nature Made
8.8
USP Verified250mg elemental Mg
$0.11/serving
Life Extension Neuro-Mag Magnesium L-Threonate
Life Extension
8.5
Third-Party Tested144mg elemental Mg (2,000mg Magtein)
$0.53/serving
Pure Encapsulations Magnesium Citrate
Pure Encapsulations
8.1
Third-Party Tested150mg elemental Mg per capsule
$0.22/serving
MegaFood Magnesium
MegaFood
8
NSF Certified, Non-GMO Project Verified300mg elemental Mg from multi-form blend
$0.47/serving
Nature's Bounty Magnesium Oxide 500mg
Nature's Bounty
5.8
USP Verified500mg magnesium oxide (300mg elemental Mg)
$0.04/serving
Best Zinc Supplements
Full comparison →
Thorne Zinc Picolinate 30mg
Thorne
9.3
NSF Certified for Sport30mg elemental zinc
$0.17/serving
Doctor's Best PepZin GI Zinc Carnosine
Doctor's Best
8.8
Third-Party Tested75mg zinc carnosine (16mg elemental zinc)
$0.15/serving
NOW Foods Zinc Picolinate 50mg
NOW Foods
8.6
GMP Certified50mg elemental zinc
$0.08/serving
Garden of Life Vitamin Code Raw Zinc
Garden of Life
8.4
Third-Party Tested30mg elemental zinc + 2mg copper
$0.22/serving
Best Calcium Supplements
Full comparison →
Garden of Life Raw Calcium
Garden of Life
9.1
Third-Party Tested, Non-GMO Project Verified756mg calcium from algae + vitamin D3 (1,600 IU) + K2 + magnesium per serving
$0.68/serving
Citracal Maximum Plus D3
Citracal
9
USP Verified630mg calcium (as citrate) + 500 IU vitamin D3 per serving (2 caplets)
$0.18/serving
New Chapter Bone Strength Take Care
New Chapter
8.8
Non-GMO Project Verified, Third-Party Tested770mg calcium (plant-sourced) + 1,000 IU D3 + 45mcg K2 per serving (3 slim tablets)
$0.72/serving
NOW Foods Calcium & Magnesium
NOW Foods
8.3
GMP Certified500mg calcium + 250mg magnesium per serving (2 tablets)
$0.08/serving
Best Parasite Cleanse Supplements
Full comparison →
Peak Performance USDA Organic Wormwood Black Walnut Clove Cleanse
Peak Performance
9.2
USDA OrganicFull organic triad blend per serving
~$0.60/serving
Zahler ParaGuard Advanced Intestinal Support
Zahler
8.7
GMP Certified, Kosher1ml liquid extract per serving
~$0.50/serving
Dr. Clark's Intestinal Support
Dr. Clark Store
8.3
Third-Party TestedCapsule-based triad blend per serving
~$0.55/serving
Best Collagen Peptide Supplements
Full comparison →
Vital Proteins Collagen Peptides
Vital Proteins
9.2
Third-Party Tested20g collagen per serving (2 scoops)
$1.50/serving
Sports Research Collagen Peptides
Sports Research
9
Igen Non-GMO Tested, Third-Party Tested11g collagen per serving (1 scoop)
$0.90/serving
Garden of Life Grass Fed Collagen Peptides
Garden of Life
8.7
NSF Certified, Non-GMO Project Verified20g collagen per serving
$1.80/serving
Ancient Nutrition Multi Collagen Protein
Ancient Nutrition
8.4
Third-Party Tested9g collagen per serving (3 scoops)
$1.60/serving
Best Hyaluronic Acid Supplements
Full comparison →
Doctor's Best Hyaluronic Acid + Chondroitin Sulfate with BioCell Collagen
Doctor's Best
9.1
Third-Party Tested100mg HA + 1g hydrolyzed collagen + 200mg chondroitin per serving
$0.35/serving
NOW Foods Hyaluronic Acid 100mg
NOW Foods
8.9
GMP Certified, Third-Party Tested100mg hyaluronic acid per capsule
$0.22/serving
Solgar Hyaluronic Acid 120mg
Solgar
8.5
Third-Party Tested120mg hyaluronic acid per tablet
$0.52/serving
Best Melatonin Supplements
Full comparison →
Life Extension Melatonin 1mg
Life Extension
9.2
Third-Party Tested1mg per capsule
$0.05/serving
Jarrow Formulas Melatonin 3mg Quik-Solv
Jarrow Formulas
8.6
Third-Party Tested3mg per fast-dissolve lozenge
$0.06/serving
NOW Foods Liquid Melatonin 3mg
NOW Foods
8.5
GMP Certified, Third-Party Tested3mg per dropper (1ml)
$0.05/serving
Best Vitamin D Supplements
Full comparison →
Sports Research Vitamin D3 + K2 (5000 IU)
Sports Research
9.3
USP Verified5,000 IU D3 + 100mcg K2
$0.13/serving
NatureWise Vitamin D3 5000 IU
NatureWise
9
Third-Party Tested, Non-GMO5,000 IU (125mcg)
$0.05/serving
Thorne Vitamin D/K2 Liquid
Thorne
8.7
NSF Certified for Sport1,000 IU D3 + 200mcg K2 per drop
$0.23/serving
Best Vitamin D+K Supplements
Full comparison →Sports Research Vitamin D3 + K2 (5000 IU)
Sports Research
9.4
USP Verified5,000 IU D3 + 100mcg K2 per softgel
~$0.13/serving
Peak Performance Vitamin D+K 2000 IU
Peak Performance
9.1
Third-Party Tested2,000 IU D3 + K2 (MK-7) per serving
~$0.25/serving
Thorne D/K2 Liquid
Thorne
9
NSF Certified for Sport1,000 IU D3 + 200mcg K2 per drop (adjustable)
~$0.23/serving
Bronson Vitamin D3 + K2 (5000 IU)
Bronson
8.7
GMP Certified, Third-Party Tested5,000 IU D3 + 90mcg K2 per capsule
~$0.06/serving
Best Vitamin C Supplements
Full comparison →
Thorne Vitamin C with Flavonoids
Thorne
9.2
NSF Certified for Sport500mg vitamin C + 75mg citrus bioflavonoids per capsule
$0.22/serving
NOW Foods Vitamin C-1000 with Rose Hips
NOW Foods
8.8
GMP Certified, Third-Party Tested1,000mg vitamin C + 25mg rose hips per tablet
$0.05/serving
Life Extension Vitamin C and Bio-Quercetin Phytosome
Life Extension
8.7
Third-Party Tested1,000mg vitamin C + 15mg Bio-Quercetin per tablet
$0.12/serving
Garden of Life Vitamin Code Raw Vitamin C
Garden of Life
8.5
Third-Party Tested, Non-GMO Project Verified500mg vitamin C from whole-food blend per serving
$0.35/serving
Best Vitamin B12 Supplements
Full comparison →
Jarrow Formulas Methyl B-12 1000mcg
Jarrow Formulas
9.3
Third-Party Tested1,000mcg methylcobalamin per lozenge
$0.07/serving
Thorne Methylcobalamin (Methyl B12)
Thorne
9
NSF Certified for Sport1,000mcg methylcobalamin per capsule
$0.20/serving
Garden of Life mykind Organics B-12 Spray
Garden of Life
8.8
Third-Party Tested, Non-GMO Project Verified500mcg methylcobalamin per spray
$0.18/serving
Nature Made Vitamin B12 1000mcg
Nature Made
8.6
USP Verified1,000mcg cyanocobalamin per softgel
$0.05/serving
Life Extension Methylcobalamin 5000mcg
Life Extension
8.4
Third-Party Tested5,000mcg methylcobalamin per lozenge
$0.14/serving
Best Black Cohosh Supplements
Full comparison →
Remifemin Menopause Relief
Remifemin
9.2
Third-Party Tested20mg standardized extract per tablet
$0.33/serving
Gaia Herbs Black Cohosh
Gaia Herbs
8.7
Purity-Tested, MeetYourHerbs Traceability20mg concentrated extract per liquid phyto-cap
$0.40/serving
Nature's Way Black Cohosh Root 540mg
Nature's Way
8.2
TRU-ID Certified540mg black cohosh root per capsule
$0.08/serving
Best Red Clover Supplements
Full comparison →
Solaray Red Clover PhytoEstrogen
Solaray
8.9
Lab Verified40mg isoflavones per capsule (from red clover extract)
$0.28/serving
Nature's Way Red Clover Blossom 400mg
Nature's Way
8.3
TRU-ID Certified400mg red clover blossom per capsule
$0.09/serving
NOW Foods Red Clover 375mg
NOW Foods
8
GMP Certified375mg red clover per capsule
$0.07/serving
Best Evening Primrose Oil Supplements
Full comparison →
NOW Foods Evening Primrose Oil 1000mg
NOW Foods
9
GMP Certified, Third-Party Tested1000mg evening primrose oil (120mg GLA) per softgel
$0.13/serving
Solgar Evening Primrose Oil 1300mg
Solgar
8.8
Third-Party Tested, Non-GMO1300mg evening primrose oil (156mg GLA) per softgel
$0.24/serving
Nordic Naturals Evening Primrose Oil
Nordic Naturals
8.5
Third-Party Tested for Purity500mg evening primrose oil (68mg GLA) per softgel
$0.28/serving
Best Maca Root Supplements
Full comparison →
The Maca Team Gelatinized Black Maca Capsules
The Maca Team
9.3
Third-Party Tested, USDA Organic3000mg equivalent gelatinized black maca per serving (4 capsules)
$0.72/serving
Navitas Organics Maca Powder
Navitas Organics
8.7
USDA Organic, Non-GMO Verified3000mg (1 tablespoon) gelatinized maca per serving
$0.35/serving
NOW Foods Maca 750mg
NOW Foods
8.6
GMP Certified, Third-Party Tested750mg maca root (6:1 concentrate = 4500mg equivalent) per capsule
$0.10/serving
Gaia Herbs Maca Root
Gaia Herbs
8.4
Purity-Tested, MeetYourHerbs Traceability500mg maca root extract per liquid phyto-cap
$0.43/serving
Best DIM Supplements
Full comparison →
Thorne DIM Advantage
Thorne
9.1
NSF Certified for Sport100mg BioResponse DIM per capsule
$0.50/serving
Smoky Mountain Naturals DIM 200mg
Smoky Mountain Naturals
9
Third-Party Tested, GMP Certified200mg DIM + 5mg BioPerine per capsule
$0.17/serving
NOW Foods DIM 200mg
NOW Foods
8.5
GMP Certified, Third-Party Tested200mg DIM per vegetarian capsule
$0.20/serving