THORNE Vitamin D-1,000, Vitamin D3 Supplement, 1,000 IU, 90 Capsules
$17.00
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Product description
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Customer Reviews
4.8 out of 5 stars 3,763
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4.7 out of 5 stars 18,635
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Price
$17.00$17.00
$36.00$36.00
$44.00$44.00
$26.00$26.00
$41.00$41.00
$44.00$44.00
$52.00$52.00
Servings
90
30
90
90
90
30
60
Primary Benefits
Foundational Health
Foundational Support
Sports Performance
Muscle & Sleep Support*
Heart & Cognitive Health*
Metabolism & Weight Management
Muscle & Sleep Support*
Key Ingredients
Vitamin D3
Vitamin B, Magnesium
Creatine Monohydrate
Magnesium Glycinate
Omega-3
Berberine HCI & Phytosome
Magnesium Bisglycinate
Gluten & Dairy Free
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Trusted by 45K+ Health Pros
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NSF Contents Certified
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NSF Certified for Sport
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Is Vitamin D-1,000 right for me?
Thorne D-1,000 is ideal if you have limited sun exposure or want to maintain optimal vitamin D levels.* Consult your health-care provider to see if this product is right for your individual needs.
What testing does Thorne complete for Vitamin D-1,000?
We test this supplement for identity, purity, and potency to meet our strict quality standards. The NSF Contents Certified mark indicates that it has been third-party tested according to strict standards for quality, safety, and label claims.
What is vitamin D3?
Vitamin D3 (cholecalciferol) is the same form of vitamin D your body naturally produces when your skin is exposed to sunlight. Vitamin D3 is considered the preferred form for maintaining healthy vitamin D levels.*
Why is vitamin D3 considered the preferred form?
Vitamin D3 is the preferred form of vitamin D because research shows it is more effective at raising and maintaining healthy vitamin D levels in the blood than vitamin D2.*
Should vitamin D3 be taken with vitamin K2?
Vitamin D3 and vitamin K2 work synergistically in the body. For individuals supplementing with vitamin D, adding vitamin K2 can provide complementary support for bone and cardiovascular health.*
Item model number : D128
Date First Available : October 2, 2001
Manufacturer : Thorne Research
ASIN : B0797H3VQS
Best Sellers Rank: #2,436 in Health & Household (See Top 100 in Health & Household) #20 in Vitamin D Supplements
Customer Reviews: 4.8 4.8 out of 5 stars (3,763) 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); } }); });
Vitamin D3 Benefits: Supports healthy teeth and bones by enhancing the absorption of calcium; supports immune function and cardiovascular health*
Optimal Absorption: Vitamin D3 (as cholecalciferol) is more potent and better absorbed than vitamin D2 (or ergocalciferol); research shows vitamin D3 is more effective at raising overall vitamin D levels*
Essential Vitamin D: Optimizes performance, muscle strength and mass, and cellular repair, especially for those who work indoors or lack adequate sun exposure to support the body’s natural vitamin D production*
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)