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486 products • Page 4 of 21

All supplements listed here offer Amazon Subscribe & Save for automatic deliveries at discounted prices, ideal for...

All supplements listed here offer Amazon Subscribe & Save for automatic deliveries at discounted prices, ideal for daily-use supplements.

As an Amazon Associate, we earn from qualifying purchases. Some links below are affiliate links — this doesn't affect our editorial independence or product ratings. How we evaluate products

THORNE - Creatine + Alpha GPC - Micronized Creatine Monohydrate Powder - Support for Muscles & Cognitive Function* - for Women & Men - Watermelon Lemonade - NSF Certified for Sport - 30 Servings Capsule

- Creatine + Alpha GPC - Micronized Creatine Monohydrate Powder - Support for Muscles & Cognitive Function* - for Women & Men - Watermelon Lemonade - NSF Certified for Sport - 30 Servings

THORNE
(75)
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Proprietary blend
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THORNE - Creatine + Alpha GPC - Micronized Creatine Monohydrate Powder - Support for Muscles & Cognitive Function* - for Women & Men - Watermelon Lemonade - NSF Certified for Sport - 30 Servings provides alpha gpc in a convenient form.

Four Sigmatic Focus Ground Coffee Ground Coffee

Focus Ground Coffee

Four Sigmatic
(20,499)
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Therapeutic dose
250mg Lion's Mane + 250mg Chaga fruiting body per serving

The category-defining mushroom coffee product with unmatched social proof — 20K+ reviews at 4.4 stars — and transparent sourcing from a single Honduran co-op. Lion's Mane + Chaga at 250mg each meets traditional-use ranges.

Sovereign Laboratories Colostrum-LD Powder

Sovereign Laboratories Colostrum-LD

Colostrum-LD
(3,448)
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Staff Pick
Clinical dose
1.5g colostrum per serving (liposomal)

Sovereign Laboratories pioneered liposomal delivery for colostrum (their LD Technology), which coats colostrum particles in phospholipids to protect immunoglobulins through stomach acid. This results in more IgG reaching the intestinal lining where it provides the most benefit. First-milking, low-temperature processed colostrum from pasture-raised cows. Over 15 years of market presence.

Life Extension Mega Green Tea Extract (Decaffeinated) Capsule

Mega Green Tea Extract (Decaffeinated)

Life Extension
(1,657)
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Staff Pick
With Prime68% offClinical dose
725mg green tea extract (326mg EGCg) per capsule

Delivers a potent 326mg EGCG per capsule from a 98% polyphenol standardized extract — one of the highest concentrations available. Decaffeinated, making it suitable for caffeine-sensitive individuals and evening dosing. Life Extension is a research-driven brand with rigorous quality standards. Single capsule provides a near-clinical dose.

Nootropics Depot affron Saffron Extract Capsule

affron Saffron Extract

Nootropics Depot
(318)
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Staff Pick
Therapeutic dose
28mg affron per capsule

Uses the patented affron extract standardized to 3.5% Lepticrosalides — the most clinically studied saffron extract with multiple published RCTs showing mood and sleep benefits at just 28mg daily. Nootropics Depot performs rigorous in-house testing with published COAs.

Peak Performance Chocolate Beef Protein Isolate Powder

Chocolate Beef Protein Isolate

Peak Performance
(197)
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Proprietary blend
Full serving beef protein isolate

Rich chocolate flavor that masks the typical beef protein taste. High protein content per serving with a complete amino acid profile. Dairy-free, lactose-free, and paleo-friendly. Third-party tested for purity.

Peak Performance USDA Organic Wormwood Black Walnut Clove Cleanse Capsule

USDA Organic Wormwood Black Walnut Clove Cleanse

Peak Performance
(108)
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Proprietary blend
Full organic triad blend per serving

USDA Organic certified version of the traditional wormwood, black walnut, and clove triad. Organic certification ensures herbs are grown without synthetic pesticides or herbicides — important for a product meant to support detoxification.

Life Extension Ultra Prostate Formula Softgel

Ultra Prostate Formula

Life Extension
(4,178)
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Staff Pick
Therapeutic dose
100mg pygeum + 320mg saw palmetto + beta-sitosterol + nettle root per serving

The most comprehensive prostate formula available, combining pygeum, saw palmetto, beta-sitosterol, nettle root, and lycopene — all at clinically relevant doses. Each ingredient targets different mechanisms: 5-alpha-reductase inhibition, anti-inflammatory action, and antioxidant support. Life Extension is known for research-backed formulations.

Remifemin Menopause Relief Tablet

Menopause Relief

Remifemin
(5,026)
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Staff Pick
Therapeutic dose
20mg standardized extract per tablet

The most clinically studied black cohosh product worldwide — Remifemin's iCR extract has been evaluated in over 20 clinical trials involving more than 11,000 women. Standardized to triterpene glycosides for consistent potency. Used and recommended by healthcare practitioners in Europe for decades.

Nootropics Depot Tongkat Ali 10% Eurycomanone Capsule

Tongkat Ali 10% Eurycomanone

Nootropics Depot
(334)
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Therapeutic dose
200mg per serving (1 capsule)

Nootropics Depot offers the most rigorously standardized tongkat ali on the market at 10% eurycomanone — five times higher than the typical 2% standardization. This means a 200mg capsule delivers 20mg of eurycomanone, equivalent to 1,000mg of a standard 2% extract. Nootropics Depot is known for industry-leading in-house analytical testing with published certificates of analysis.

Nutricost Creatine Monohydrate Micronized Powder Micronized powder

Creatine Monohydrate Micronized Powder

Nutricost
(56,140)
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Therapeutic dose
5g per serving

Exceptional value at roughly half the price of premium brands. Micronized for easy mixing. One of the best-selling creatine products on Amazon.

Nature Made Melatonin 3mg Tablet

Melatonin 3mg

Nature Made
(18,399)
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Therapeutic dose
3mg per tablet

USP Verified — the gold standard for melatonin, which is critical given the 2017 study showing 71% of products fail label claims. The #1 pharmacist-recommended brand at the lowest price in our roundup. 3mg is the most commonly used dose in clinical trials.

Citracal Maximum Plus D3 Caplet

Citracal Maximum Plus D3

CITRACAL
(10,261)
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Clinical dose
630mg calcium (as citrate) + 500 IU vitamin D3 per serving (2 caplets)

The gold standard calcium citrate supplement recommended by more doctors and pharmacists than any other calcium brand. USP Verified for label accuracy and dissolution. Calcium citrate absorbs 22-27% better than carbonate in fasting conditions and can be taken with or without food. Includes 500 IU vitamin D3 per serving for enhanced absorption. Excellent value.

NOW Foods L-Theanine 200mg Vegetarian Capsule

L-Theanine 200mg

NOW Foods
(7,139)
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Therapeutic dose
200mg Suntheanine + 100mg inositol per capsule

Combines patented Suntheanine with 100mg inositol — a B-vitamin-like compound that supports calm and balanced mood. Best value Suntheanine product at $0.11/serving. GMP-certified manufacturing with rigorous third-party testing.

Nordic Naturals Arctic CLO Softgels Lemon 180ct Softgel

Arctic CLO Softgels Lemon 180ct

Nordic Naturals
(2,802)
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Proprietary blend
750mg omega-3s per 3 softgels + Vitamin A 750-1500 IU + Vitamin D 0-300 IU

Nordic Naturals is the gold-standard brand in omega-3 supplements, and their Arctic CLO softgels deliver 750mg omega-3s per 3-softgel serving in triglyceride form for superior absorption. Every batch is third-party tested for purity. Lemon-flavored softgels minimize fishy aftertaste.

Jarrow Formulas Red Yeast Rice + CoQ10 Capsule

Red Yeast Rice + CoQ10

Jarrow Formulas
(1,979)
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Below clinical
600mg red yeast rice + 30mg CoQ10 per capsule

The only product in the category that pairs red yeast rice with CoQ10 — addressing the CoQ10 depletion concern head-on. Jarrow's formula is citrinin-free tested with 600mg red yeast rice and 30mg CoQ10 per capsule. Smart formulation for long-term use.

NOW Foods Evening Primrose Oil 1000mg Softgel

Evening Primrose Oil 1000mg

NOW Foods
(1,770)
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Below clinical
1000mg evening primrose oil (120mg GLA) per softgel

Delivers 120mg GLA per softgel from cold-pressed, hexane-free evening primrose oil. GMP-certified facility with third-party testing for purity and potency. At $0.13/serving, it's the best value EPO with quality extraction. Over 10,000 positive Amazon reviews.

Optimum Nutrition Gold Standard 100% Whey Powder

Gold Standard 100% Whey

Optimum Nutrition
(97,284)
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Therapeutic dose
24g protein per scoop

The world's best-selling whey protein for good reason. 24g protein per serving with 5.5g BCAAs. Informed Choice certified. Whey isolate is the primary ingredient (listed first). Mixes easily with excellent taste across 20+ flavors. Unbeatable value at $1.10/serving.

Sports Research Collagen Peptides Powder

Collagen Peptides

Sports Research
(108,688)
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Staff Pick
Limited time deal20% offTherapeutic dose
11g collagen per serving (1 scoop)

Delivers 11g of hydrolyzed bovine collagen from grass-fed, pasture-raised sources at an excellent price. Igen Non-GMO tested and verified for purity. One of the highest-rated collagen supplements on Amazon with over 80,000 reviews. Single-scoop convenience with clean dissolving.

NOW Foods Psyllium Husk Powder Powder

Psyllium Husk Powder

NOW Foods
(23,584)
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Therapeutic dose
7g per serving (1 tablespoon) providing 6g fiber

Delivers a full clinical dose of 6g fiber per tablespoon serving at an unbeatable $0.12/serving. Pure psyllium husk powder with nothing else added — no sweeteners, flavors, or colors. NOW Foods is a GMP-certified, family-owned brand with 50+ years of supplement manufacturing. The most efficient way to reach the FDA health claim dose of 7g soluble fiber daily.

Nature's Bounty Apple Cider Vinegar 480mg Pills, Vegetarian Supplement Plant Based, 200 Tablets Capsule

Apple Cider Vinegar 480mg Pills, Vegetarian Supplement Plant Based, 200 Tablets

Nature's Bounty
(16,238)
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Proprietary blend
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Nature's Bounty Apple Cider Vinegar 480mg Pills, Vegetarian Supplement Plant Based, 200 Tablets provides apple cider vinegar in a convenient form.

Jarrow Formulas Milk Thistle 150mg Capsule

Milk Thistle 150mg

Jarrow Formulas
(10,348)
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Below clinical
150mg silymarin (80% standardized) per capsule

Delivers 150mg of silymarin standardized to 80% in a clean formula. Jarrow Formulas has a strong reputation for extract quality and third-party testing. Ideal for daily liver support at an excellent price. Can take 1-3 capsules daily to match clinical dose ranges.

NOW Foods EGCg Green Tea Extract 400mg Capsule

EGCg Green Tea Extract 400mg

NOW Foods
(5,555)
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Therapeutic dose
400mg green tea extract (200mg EGCg) per capsule

Delivers 200mg EGCG per capsule from an extract standardized to 50% EGCg and 80% total catechins — among the highest standardization on the market. At $0.10/serving, it offers exceptional value. GMP-certified with third-party testing. Two capsules provide the optimal 400mg EGCG dose used in many clinical trials.

Thorne Super EPA Gelcap

Thorne Super EPA

THORNE
(2,903)
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Partial dose
695mg omega-3s per gelcap (EPA 425mg + DHA 270mg)

NSF Certified for Sport means every batch is tested for 200+ banned substances — the gold standard for competitive athletes. Thorne is one of only two supplement brands carried by Mayo Clinic. EPA-dominant ratio (425:270) supports anti-inflammatory pathways.

This content is for informational purposes only and does not constitute medical advice. Statements about dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary — consult your healthcare provider before starting any supplement. Full disclaimer