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Customer Reviews
4.8 out of 5 stars 11,303
4.7 out of 5 stars 18,967
4.7 out of 5 stars 4,153
4.4 out of 5 stars 66
4.6 out of 5 stars 3,364
4.8 out of 5 stars 9,632
4.4 out of 5 stars 6,745
Price
$41.00$41.00
$44.00$44.00
$26.00$26.00
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$41.00$41.00
$20.00$20.00
$44.00$44.00
Servings
180
90
90
30
90
60
30
Primary Benefits
Immune Support
Sports Performance
Muscle & Sleep Support
Foundational Health
Heart & Cognitive Health*
Foundational Health
Metabolism & Weight Management
Key Ingredients
Zinc
Creatine Monohydrate
Magnesium Glycinate
Multivitamin
Omega-3
Vitamin D3
Berberine HCI & Phytosome
Gluten & Dairy Free
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Trusted by 45K+ Health Pros
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NSF Certified for Sport
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NSF Contents Certified
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What makes Thorne supplements high quality?
Thorne produces high-quality supplements through rigorous testing, well-researched ingredient sourcing, and strict manufacturing standards. We avoid unnecessary additives, binders, and fillers that may interfere with nutrient absorption.
How does Thorne test its supplements for quality?
To confirm the purity of our ingredients, the potency of our formulas, and the absence of all contaminants, we carry out a minimum of four rounds of testing on every product we manufacture. 100+ Thorne employees are dedicated to ensuring quality.
Are Thorne supplements clinically tested and safe?
Thorne partners with researchers and conducts clinical trials to support the efficacy of our products. Our team of doctors and medical experts substantiate each ingredient in every formula based on extensive clinical research and medical literature.
Why are Thorne products more expensive than other supplements?
When it comes to the health of our customers, we never settle. Thorne products may be priced higher than some others because of our commitment to quality at every step. We don’t simply meet the standard in dietary supplements — we set the standard.
Where are Thorne supplements made and where are the ingredients sourced from?
Located in South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. When it comes to ingredient sourcing, we seek out only the highest-quality ingredients, selecting each one for its purity and effectiveness.
Item model number : M221
Date First Available : May 29, 2009
Manufacturer : Thorne Research
ASIN : B00B8YTP12
Best Sellers Rank: #1,630 in Health & Household (See Top 100 in Health & Household) #4 in Zinc Mineral Supplements #390 in Diet & Sports Nutrition
Customer Reviews: 4.8 4.8 out of 5 stars (11,303) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Mineral Essential: Each capsule provides 30 mg of zinc picolinate, a well-researched form to support general wellness, reproductive health, and healthy skin, connective tissue, and eyes*
Immune Support: Zinc’s antioxidant-promoting properties help mitigate oxidative stress and support a balanced inflammatory response*
Hormone Health: Zinc balances the body’s normal testosterone production to support vigor and muscle mass*
Third-Party Certified: This product has been third-party tested and certified to verify what’s in the package matches what’s on the label and to confirm it contains no unsafe levels of contaminants
Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)
