Sports Research Youtheory Ashwagandha KSM-66, 60 Vegetarian Capsules bottle

Sports Research Youtheory Ashwagandha KSM-66, 60 Vegetarian Capsules Review

Youtheory Ashwagandha is designed to help combat stress. It utilizes KSM-66, a clinically-supported, full-spectrum Ashwagandha extract, to help reduce stress and maintain a normal cortisol level.

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Product Focus: Thyroid HealthAlso graded for:Stress and CalmMuscle and StrengthAdrenal SupportAlso covers:Hormones

Tier ⓘ

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Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →

Evidence ⓘ

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How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.

Positive Reviews

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Biohacker Mentions

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Cost per month

$15

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Study, Trial or Testing Result SummaryMembersHuman studies

Ashwagandha is present at a dose, including 600 milligrams of root extract, the amount used in the studies. The evidence for thyroid is and . …

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Review Totals and SummaryMembers11,240 reviews

11,240 reviews · IHerb 5,298 · Amazon 4,673 · Samsclub 689 · Walmart 253 · Costco 239 · Thrive Market 88

Youtheory Ashwagandha KSM-66, 60 Vegetarian Capsules has generated a volume of user feedback across multiple platforms, and the vast of reviews are quite , with customers expressing with the product’s and overall quality. Consumers frequently highlight in stress levels and mood, with noting a noticeable sense of calm or anxiety after consistent use. …

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Biohacker SummaryMembersWhat our biohacker panel says

of the panel leans on ashwagandha: four it, one uses it, and the rest are . People take it mainly to the stress hormone cortisol, to feel stressed and anxious, to sleep , and for performance, with a also citing testosterone and mood. …

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RAL SummaryMembersThe tier and why

Ashwagandha at the studied dose thyroid measures in one placebo-controlled trial of adults with mildly underactive thyroid, which a review of 186 people on, and customer ratings are . However, a pooled analysis of 1706 adults found little thyroid , so the support is .

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More DetailsMembersBody systems · Combine with · Possible side effects

Body systems: Endocrine system. Combine with and possible side are for members.

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Supplement FactsFull Spectrum Ashwagandha Blend 1000 mg · Organic Ashwagandha extract 600 mg · Organic Ashwagandha powder 400 mg

Supplement Facts

Serving Size 2 capsules

Servings Per Container 30

Amount Per Serving% Daily Value

Full Spectrum Ashwagandha Blend	1,000 mg	†
Organic Ashwagandha (root) extract (KSM-66®)	600 mg	†
Organic Ashwagandha (root) powder	400 mg	†
Ginger (root) extract (Gingever)	20 mg	†

† Daily Value not established.

Directions: (Adults) Take two (2) capsules per day with water.

Label source: Amazon · Report a label change

Graded October 23, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.