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486 products • Page 18 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

Ritual Fertility Support - Myo-Inositol, NAC, CoQ10 Supplement For Women - 3-in-1 Drink-Mix Formulated to Support Conception Outcomes with Studied Ingredients - Designed with an OB/GYN. - 60 Servings* Capsule

Fertility Support - Myo-Inositol, NAC, CoQ10 Supplement For Women - 3-in-1 Drink-Mix Formulated to Support Conception Outcomes with Studied Ingredients - Designed with an OB/GYN. - 60 Servings*

Ritual
(81)
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Proprietary blend
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Ritual Fertility Support - Myo-Inositol, NAC, CoQ10 Supplement For Women - 3-in-1 Drink-Mix Formulated to Support Conception Outcomes with Studied Ingredients - Designed with an OB/GYN. - 60 Servings* provides myo inositol in a convenient form.

Peak Performance Theracurmin Capsule

Theracurmin

Peak Performance
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Proprietary blend
1 capsule daily

Theracurmin uses a proprietary nanoparticle technology to achieve up to 42x greater bioavailability than standard curcumin. The landmark Chandran & Goel 2012 RCT found 500mg curcumin was as effective as 50mg diclofenac for DAS28 disease activity score improvement in active RA patients — with fewer GI side effects.

Jarrow Formulas Quercetin 500mg Capsule

Quercetin 500mg

Jarrow Formulas
(4,088)
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Staff Pick
Therapeutic dose
500mg quercetin

A no-frills 500mg quercetin capsule at $0.18 per serving — the most cost-effective way to supplement quercetin if budget is the primary concern. Jarrow Formulas has a 40+ year track record in the supplement industry. Simple, single-ingredient formula.

Sports Research Vitamin D3 + K2 with Coconut Oil Softgel

Vitamin D3 + K2 with Coconut Oil

Sports Research
(965)
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Therapeutic dose
2500 IU Vitamin D3 + 100mcg Vitamin K2 (MK-7) per softgel (1 daily)

Sports Research D3+K2 stands out in a crowded market by solving two genuine vegan supplement problems at once: sourcing D3 from lichen (not lanolin) and encapsulating in a carrageenan-free plant-gel softgel. The MK-7 K2 form ensures optimal bone calcium direction. At 965 reviews and 4.8 stars, customer validation is strong for a product still growing its review base.

Integrative Therapeutics Zinc Chelate Capsule

Zinc Chelate

Integrative Therapeutics
(305)
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Proprietary blend
1 capsule per serving; 100 servings per bottle

Zinc bisglycinate from a GMP-certified practitioner brand at a price point ($9.25 for 100 servings) that undercuts most mass-market zinc options while exceeding their quality standards. The chelated form's superior bioavailability means more zinc actually reaches the tissues compared to cheaper oxide forms. Strong social proof with 305 reviews at 4.7 stars confirms consistent quality and efficacy.

Sports Research Salmon Oil 2500mg Wild Alaskan Sockeye Softgel

Salmon Oil 2500mg Wild Alaskan Sockeye

Sports Research
(494)
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Therapeutic dose
2500mg salmon oil per 2-softgel serving delivering EPA & DHA; exact EPA/DHA mg not disclosed on Amazon listing

Natural triglyceride form salmon oil offers a genuine bioavailability advantage over the ethyl ester concentrates dominating this category, and single-source Sockeye provenance from MSC-certified Alaskan waters is both traceable and sustainable. The 2500mg total oil dose delivers a meaningful omega-3 payload in each serving.

Sunergetic Vaginal Probiotic Lactobacillus UREX Capsule

Vaginal Probiotic Lactobacillus UREX

Sunergetic
(1,089)
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Proprietary blend
2 capsules daily; 30 servings; UREX strains + cranberry + prebiotic inulin

UREX (L. reuteri RC-14 + L. rhamnosus GR-1) is one of the most clinically researched urogenital probiotic pairings, with multiple RCTs supporting vaginal microbiome balance. The addition of cranberry and inulin targets UTI prevention and prebiotic substrate in one capsule.

Sunergetic Uric Acid Support Tart Cherry Capsule

Uric Acid Support Tart Cherry

Sunergetic
(1,730)
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Proprietary blend
2 capsules daily

The only formula on our list specifically targeted at gout, pairing tart cherry (35% flare reduction in Zhang 2012) with chanca piedra (traditionally used for uric acid stone management), celery seed (diuretic + traditional uric acid support), and turmeric (anti-inflammatory). Over 1,730 reviews averaging 4.3 stars.

Sunergetic DIM 150mg Capsule

DIM 150mg

Sunergetic
(652)
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Proprietary blend
1 capsule daily

DIM (diindolylmethane) is a metabolite of indole-3-carbinol from cruciferous vegetables. It modulates estrogen metabolism toward less androgenic pathways, which has preliminary evidence for hormonal acne — particularly perimenstrual cystic breakouts, adult female acne, and post-OCP-discontinuation acne. Paired with calcium D-glucarate (supports phase-2 detox) and BioPerine (enhances absorption). 652 reviews averaging 4.3 stars.

Enviromedica Beef Organ Complex Capsule

Beef Organ Complex

Enviromedica
(165)
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Proprietary blend
Multi-organ blend per serving

Enviromedica combines thyroid with liver, heart, kidney, and other organs for a comprehensive ancestral nutrition approach. Good for those who want broad organ support rather than thyroid-specific supplementation. Uses grass-fed Australian cattle.

Host Defense Turkey Tail Capsules Capsule

Turkey Tail Capsules

Host Defense
(7,258)
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Staff Pick
Therapeutic dose
1g per serving (2 capsules)

Host Defense, founded by legendary mycologist Paul Stamets, is the most recognized mushroom supplement brand in the US. Their turkey tail was used in the NIH-funded clinical trial by Torkelson et al. (2012) that demonstrated immune enhancement in breast cancer patients. Strong brand legacy and mainstream availability.

NOW Foods Cod Liver Oil Extra Strength 1000mg 180ct Softgel

Cod Liver Oil Extra Strength 1000mg 180ct

NOW Foods
(6,022)
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Proprietary blend
1000mg CLO per softgel (EPA 70mg + DHA 100mg) + Vitamin A + Vitamin D3

At roughly $0.08 per serving, NOW Foods delivers molecularly distilled cod liver oil with vitamins A and D3 at a fraction of the cost of premium brands. GMP-certified facility and third-party testing provide baseline quality assurance. The 180-count bottle lasts six months.

IT Vitamin C with Quercetin Capsule

IT Vitamin C with Quercetin

Integrative Therapeutics
(291)
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Proprietary blend
Vitamin C with quercetin and bioflavonoids per 2-capsule serving (180 capsules, 90 servings)

Integrative Therapeutics' practitioner-grade heritage ensures this formula uses meaningful amounts of each ingredient — the combination of vitamin C, quercetin, and bioflavonoids represents a clinically thoughtful approach to antioxidant immune support beyond basic ascorbic acid.

Integrative Therapeutics OsteoPrime Forte Capsule

OsteoPrime Forte

Integrative Therapeutics
(369)
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Proprietary blend
4 capsules daily with a meal (can be split as 2 capsules twice daily with a meal)

OsteoPrime Forte earns its place by going beyond plain calcium. The five-form calcium matrix plus vitamin K and magnesium mirrors what clinical nutrition literature identifies as the full cofactor profile for bone density support. Integrative Therapeutics' practitioner heritage and GMP standards since 1979 back the product's quality credibility, and the 4.7-star rating from nearly 370 reviewers confirms consistent customer satisfaction.

Sports Research Cod Liver Oil 1000mg with Vitamins A & D3 Softgel

Cod Liver Oil 1000mg with Vitamins A & D3

Sports Research
(228)
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Proprietary blend
1000mg cod liver oil (165mg Omega-3, 300mcg Vitamin A, 10mcg D3) per softgel; up to 3 softgels/day

Sports Research's triple certification stack (IFOS + MSC + IGEN) is unusually thorough for a cod liver oil, and the burpless softgel eliminates the classic objection to fish oil supplementation. Ideal for users who want the traditional vitamin A + D3 + omega combo in a clean, sustainable format.

NatureBell Moringa (240 Caps) Capsule

Moringa (240 Caps)

NatureBell
(3,168)
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Below clinical
800mg per serving (2 capsules)

240 capsules per bottle (120 servings) at just $0.15/serving makes this the best supply option. Third-party tested for purity. Good dose at 800mg per serving.

Jarrow Formulas Glucosamine + Chondroitin Capsule

Glucosamine + Chondroitin

Jarrow Formulas
(2,340)
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Proprietary blend
4 capsules daily

The NIH-funded GAIT trial (Clegg et al. 2006) in the New England Journal of Medicine found glucosamine + chondroitin sulfate combination provided significant benefit in the moderate-to-severe knee OA subgroup, though not across all severity levels. Jarrow Formulas delivers both components at their GAIT-trial doses (1,500mg glucosamine + 1,200mg chondroitin) in a single product. GMP certified with a long consumer-market track record.

Sports Research Turmeric Curcumin C3 Complex with BioPerine Softgel

Turmeric Curcumin C3 Complex with BioPerine

Sports Research
(1,550)
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Therapeutic dose
500mg Turmeric C3 Complex (475mg curcuminoids) per softgel + BioPerine

The C3 Complex + BioPerine + coconut oil triple-absorption stack is one of the most thoughtfully formulated curcumin delivery systems available, and the patented C3 Complex has more clinical trial support than generic turmeric extracts.

Sports Research MCT Oil Capsules 3000mg Coconut Softgels Softgel

MCT Oil Capsules 3000mg Coconut Softgels

Sports Research
(1,873)
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Proprietary blend
3000mg MCT Oil (C8/C10 blend) per serving (3 softgels)

Sports Research's MCT capsules use unrefined virgin coconut oil (not fractionated palm) for a cleaner C8/C10 source, with Keto Certification and Non-GMO verification — a credible option for keto users who value the no-mess convenience format.

Integrative Therapeutics Zinc-Carnosine Capsule

Zinc-Carnosine

Integrative Therapeutics
(985)
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Clinical dose
75 mg zinc-carnosine (delivering 16 mg elemental zinc) per capsule

PepZinGI is the only clinically studied zinc-carnosine form with published RCT data on GI mucosal integrity. Integrative Therapeutics' GMP manufacturing and 45+ years of practitioner trust make this the top pick for clinical GI use over cheaper, untested zinc-carnosine generics.

IT Blue Heron Colon Support Capsule

IT Blue Heron Colon Support

Integrative Therapeutics
(259)
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Proprietary blend
6 capsules per serving (120 capsules, 20 servings)

Blue Heron multi-mechanism design combining three fiber types with Triphala and probiotics reflects Integrative Therapeutics clinical-grade integrative approach to colon health. More sophisticated than simple psyllium capsules and appropriate for comprehensive intestinal support.

Integrative Therapeutics Phosphatidylserine Softgel

Phosphatidylserine

Integrative Therapeutics
(443)
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Proprietary blend
1 softgel per serving, 60 servings

Integrative Therapeutics has supplied practitioners since 1979 under GMP-certified manufacturing. Their sunflower-derived PS avoids the soy allergy concern that affects most competitors, and the clean allergen profile makes it accessible to a wider patient population. For anyone already working with a practitioner on cognitive or HPA-axis support, this is a trustworthy clinical-grade choice.

Integrative Therapeutics Alpha-Glycosyl Isoquercitrin Capsule

Alpha-Glycosyl Isoquercitrin

Integrative Therapeutics
(359)
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Proprietary blend
1 capsule daily (60 capsules, 60 servings)

Alpha-glycosyl isoquercitrin represents a meaningful formulation advancement over standard quercetin — enzymatic modification to add a glucose molecule dramatically increases water solubility and intestinal absorption, meaning each milligram delivers more quercetin to systemic circulation. Integrative Therapeutics' use of this ingredient reflects the brand's clinical-grade philosophy of choosing the most bioavailable form over the cheapest common form.

Sunergetic NAC 750mg Capsule

NAC 750mg

Sunergetic
(307)
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Therapeutic dose
750mg NAC per capsule; 90 servings per bottle

750mg is a research-aligned dose sitting in the center of clinical NAC trials (600-1800mg range). Vegetarian formulation and 90-capsule bottle at $14.95 offer outstanding value at approximately $0.17 per serving.

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