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Clinically Dosed Supplements

These supplements provide doses that match the amounts used in clinical research. No under-dosed formulas or token amounts — each product delivers a therapeutically relevant dose.

271 products • Page 11 of 12

Every supplement here is dosed at levels matching clinical research, providing full therapeutic or evidence-based...

Every supplement here is dosed at levels matching clinical research, providing full therapeutic or evidence-based amounts of active ingredients.

Sports Research Turmeric Curcumin C3 Complex with BioPerine Softgel

Turmeric Curcumin C3 Complex with BioPerine

Sports Research
(1,550)
Therapeutic Dose
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.

Integrative Therapeutics Zinc-Carnosine Capsule

Zinc-Carnosine

Integrative Therapeutics
(985)
Full Clinical Dose
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.

Sunergetic NAC 750mg Capsule

NAC 750mg

Sunergetic
(307)
Therapeutic Dose
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.

Sunergetic Vitamin D3 Gummies 2000 IU Gummy

Vitamin D3 Gummies 2000 IU

Sunergetic
(426)
Therapeutic Dose
Therapeutic dose
2000 IU (50 mcg) D3 per 2-gummy serving; 30 servings per bottle

Vitamin D3 (cholecalciferol) at 2000 IU is the sweet spot for daily maintenance — matching Endocrine Society recommendations without crossing into therapeutic territory. Strong 4.6-star review profile and gummy format make it a compliance-friendly option.

Sports Research Krill Oil 1000mg (Superba 2) Softgel

Krill Oil 1000mg (Superba 2)

Sports Research
(283)
Therapeutic Dose
Staff Pick
Therapeutic dose
1000mg krill oil per softgel; EPA+DHA in phospholipid form

Superba 2 is the gold standard in krill oil and the brand used in the majority of published krill oil clinical research. The phospholipid-bound omega-3 delivery system offers genuine bioavailability advantages over standard fish oil triglycerides — particularly for brain health applications where DHA incorporation into neural membranes is the goal. The built-in astaxanthin and choline make this a more complete omega-3 product than simple fish oil.

IT CoQ10 100mg Softgels (60ct) Softgel

IT CoQ10 100mg Softgels (60ct)

Integrative Therapeutics
(397)
Therapeutic Dose
Therapeutic dose
100mg CoQ10 per softgel; 1 softgel three times daily (300mg/day)

Integrative Therapeutics' 25+ years of practitioner-grade manufacturing and clean allergen profile make this a reliable CoQ10 option. The 100mg per softgel format and clean label (no wheat, corn, dairy) are appropriate for clinical use.

NOW Foods Colostrum 500mg Capsule

Colostrum 500mg

NOW Foods
(441)
Full Clinical Dose
Clinical dose
500mg per capsule (1g per 2-capsule serving)

NOW Foods offers the most budget-friendly colostrum option at $0.14 per serving. While the 1g dose is below clinical trial levels, it provides a low-cost entry point for those exploring colostrum. NOW Foods has 50+ years of manufacturing history and GMP certification.

Amazing Grass Wheat Grass Powder (60 servings) Powder

Wheat Grass Powder (60 servings)

Amazing Grass
(1,779)
Full Clinical Dose
Clinical dose
8g per serving (1 scoop)

Well-established brand with USDA Organic whole-leaf wheatgrass. The generous 8g serving size provides a meaningful dose of fiber and chlorophyll, and it mixes well in smoothies.

Sports Research Keto Omega Fish Oil with Salmon, Krill & MCT Softgel

Keto Omega Fish Oil with Salmon, Krill & MCT

Sports Research
(658)
Therapeutic Dose
Therapeutic dose
1400mg total omega-3s (1200mg EPA+DHA) per serving; coconut MCT oil included

This is the most comprehensive omega-3 in the Sports Research lineup — designed specifically for keto adherents who want their omega-3, MCT energy, and astaxanthin antioxidants in one daily softgel. The krill phospholipid + fish triglyceride dual-form delivery is a legitimate absorption advantage. For keto athletes, the combination efficiency is hard to beat.

BulkSupplements Organic Chlorella Powder Powder

Organic Chlorella Powder

BulkSupplements
(829)
Therapeutic Dose
Therapeutic dose
3g per serving (powder)

At $0.10 per serving with 333 servings per bag, this is by far the most economical way to supplement chlorella long-term. Powder format allows flexible dosing — you can easily scale to the 5-10g doses used in some clinical trials. cGMP-certified facility.

Integrative Therapeutics UBQH Ubiquinol CoQ10 100mg Softgel

UBQH Ubiquinol CoQ10 100mg

Integrative Therapeutics
(217)
Therapeutic Dose
Therapeutic dose
1 softgel per serving, 100 mg ubiquinol (60 softgels, 60 servings)

For aging adults and statin users, ubiquinol is clinically the superior CoQ10 form — and Integrative Therapeutics' UBQH delivers 100 mg per softgel with the brand's 45-year clinical-grade quality pedigree. This is the CoQ10 product practitioners reach for when their patients need reliable absorption and cardiovascular support.

Nutricost Spirulina 3,000mg Capsule

Spirulina 3,000mg

Nutricost
(320)
Therapeutic Dose
Therapeutic dose
3g per serving (6 capsules)

At $0.08/serving, Nutricost delivers the lowest cost per clinical dose in our lineup — roughly 6x cheaper than Hawaiian-grown options. Each batch is tested by an ISO-accredited third-party lab for identity and purity. The capsule format avoids the strong taste of spirulina tablets and powder.

Doctor's Best Astaxanthin 6mg (AstaReal) Vegan softgels

Doctor's Best Astaxanthin 6mg (AstaReal)

Doctor's BEST
(58)
Therapeutic Dose
Therapeutic dose
6mg astaxanthin per softgel

Uses AstaReal — a premium branded astaxanthin ingredient from Sweden with its own clinical research program. The 6mg dose is within the clinical range (4-12mg) but at the lower end. Doctor's Best is a physician-founded brand known for science-backed formulations with branded ingredients.

Renue By Science NMN 200 SLC Enteric Capsules Enteric Capsule

NMN 200 SLC Enteric Capsules

Renue By Science
(37)
Therapeutic Dose
Therapeutic dose
250mg NMN per serving (1 capsule); 200 servings per container

Renue By Science is one of the most research-literate NMN brands — HPLC testing, GMP certification, and a product lineup built around NMN bioavailability science. The SLC transport format reflects the most current mechanism research (Slc12a8 discovery from Washington University), the TMG inclusion shows awareness of methylation concerns, and the 200-capsule format provides outstanding per-serving value.

Ritual Sleep Melatonin 5mg Capsule

Sleep Melatonin 5mg

Ritual
(382)
Therapeutic Dose
Therapeutic dose
5mg melatonin per time-released capsule, 1 capsule daily

For users who wake in the middle of the night rather than struggling to fall asleep, 5mg time-released melatonin addresses the sleep-maintenance phase specifically. Ritual's BioSeries format is backed by Made Traceable transparency and Italian production sourcing, elevating it above generic melatonin alternatives.

Host Defense Lion's Mane Capsule

Lion's Mane

Host Defense
(14,819)
Therapeutic Dose
Therapeutic dose
500mg mycelium biomass per capsule (1000mg daily)

Founded by mycology pioneer Paul Stamets. Host Defense argues that mycelium grown on organic brown rice contains unique compounds not found in fruiting bodies. USDA Organic certified. The most well-known mushroom supplement brand in the US with wide retail availability.

Double Wood Magnesium Citrate 800mg Capsules

Double Wood Magnesium Citrate 800mg

Double Wood Supplements
(5,782)
Full Clinical Dose
Clinical dose
800mg magnesium citrate (providing ~120mg elemental magnesium) per serving

Magnesium citrate is well-absorbed and has a mild laxative effect that benefits those with constipation. At 5,700+ reviews and 4.4 stars, this is one of the most consumer-validated magnesium products. Double Wood is a respected value brand.

Toniiq 1000mg Ultra High Strength St. John's Wort Capsule

1000mg Ultra High Strength St. John's Wort

Toniiq
(3,483)
Full Clinical Dose
Staff Pick
Clinical dose
1000mg per capsule (4:1 concentrated extract, 0.3% hypericin)

Highest potency per capsule in this roundup at 1000mg concentrated extract. Third-party tested. 120 capsules provide a 4-month supply at 1 capsule/day. The 4:1 concentration ratio means 1000mg is equivalent to 4000mg of raw herb.

Sports Research Pure Saffron 30mg with Affron Extract Softgel

Pure Saffron 30mg with Affron Extract

Sports Research
(94)
Therapeutic Dose
Therapeutic dose
30mg Affron Saffron Extract per softgel; 1 softgel daily

Sports Research chose Affron — the clinically validated, standardized saffron extract — rather than generic saffron powder, which ensures the bioactive Lepticrosalide content is verified and consistent. At 30mg, this product delivers the exact dose used in positive mood and stress clinical trials, making it one of the most research-aligned saffron supplements available.

BulkSupplements Royal Jelly Capsules 500mg Capsule

Royal Jelly Capsules 500mg

BulkSupplements
(45)
Therapeutic Dose
Therapeutic dose
1000mg royal jelly per serving (2 capsules)

BulkSupplements manufactures in a cGMP-compliant facility with third-party testing for purity and potency. The 2-capsule serving delivers a full 1000mg dose. Their transparent formulation approach appeals to ingredient-conscious consumers.

Integrative Therapeutics Vitaline CoQ10 100 mg Chewable Tablet

Vitaline CoQ10 100 mg

Integrative Therapeutics
(51)
Therapeutic Dose
Therapeutic dose
100 mg CoQ10 per chewable tablet (30 tablets, 30 servings at 1 tablet/day)

Vitaline CoQ10 is the product of a legacy clinical brand that pioneered CoQ10 formulation in the practitioner channel. For users who want a trusted, clean 100 mg chewable CoQ10 without dairy or artificial additives, this delivers consistent quality backed by Integrative Therapeutics' 45+ year GMP manufacturing standard.

Sports Research 100% Whey Protein Isolate Chocolate Peanut Butter Powder

100% Whey Protein Isolate Chocolate Peanut Butter

Sports Research
(1)
Therapeutic Dose
Therapeutic dose
25g whey protein isolate + 6.9g BCAAs + 1,000mg L-Leucine per serving

Informed Sport certification sets this apart from most grocery-tier whey proteins — every batch is tested for 250+ banned substances, making it appropriate for drug-tested athletes. The clean-label approach (no gums, no artificial sweeteners) paired with added leucine and Vitamin D makes this one of the more complete isolate formulas from a legacy sports nutrition brand.

Nutricost Odorless Garlic Extract Softgel

Odorless Garlic Extract

Nutricost
(1,342)
Therapeutic Dose
Staff Pick
Therapeutic dose
1000mg garlic extract per softgel

Nutricost provides a high-dose odorless garlic extract at the lowest price in the category. While this is a standard garlic extract (not specifically aged black garlic), it provides allicin-derived compounds at an unbeatable price point. Third-party tested with GMP manufacturing.

Sports Research 100% Whey Protein Isolate Dark Chocolate Powder

100% Whey Protein Isolate Dark Chocolate

Sports Research
(18)
Therapeutic Dose
Staff Pick
Therapeutic dose
25g whey protein isolate + 6.9g BCAAs + 1,000mg L-Leucine per serving

The dark chocolate variant sits in the most popular flavor category for protein powders, making it the most likely SR whey variant to accumulate strong reviews quickly. Informed Sport certification combined with the gum-free, stevia-sweetened formula targets the growing segment of athletes who want both competitive compliance and clean ingredients.

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