{"product_id":"thorne-vitamin-d3-supplement-5-000-iu-60-capsules-for-bone-and-immune-support","title":"THORNE Vitamin D3 Supplement, 5,000 IU, 60 Capsules for Bone and Immune Support","description":"\u003cp\u003e\u003cstrong\u003eTHORNE Vitamin D-5,000 is a vitamin D3 supplement formulated to support bone, teeth, immune and cardiovascular health, with 5,000 IU strength and 60 capsules per bottle.\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVitamin D3 as cholecalciferol — supports calcium absorption for healthy teeth and bones.\u003c\/li\u003e\n\u003cli\u003e5,000 IU strength and 60 capsules — provides a clearly defined capsule count and vitamin D3 strength.\u003c\/li\u003e\n\u003cli\u003eNSF Certified for Sport — tested for label-claim compliance and the absence of nearly 300 substances banned by many major athletic organizations.\u003c\/li\u003e\n\u003cli\u003eVitamin D3 rather than D2 — research shows D3 is more effective at raising overall vitamin D levels.\u003c\/li\u003e\n\u003cli\u003eMade with indoor-training athletes and people with limited sun exposure in mind — supports the body's natural vitamin D production needs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eVitamin D helps the body absorb calcium, and the formula is designed to support several functions that matter in everyday wellness and athletic training. It may be relevant for people who train indoors or get limited sun exposure, when the body's natural vitamin D production may be lower. THORNE Vitamin D-5,000 offers vitamin D3 in capsule form, with a defined strength and count for shoppers comparing supplement options.\u003c\/p\u003e\u003ch3\u003eWhat does THORNE Vitamin D-5,000 support?\u003c\/h3\u003e\u003cp\u003eTHORNE Vitamin D-5,000 is formulated to support healthy teeth and bones by enhancing calcium absorption, as well as immune function and cardiovascular health. Vitamin D3 also supports muscle strength and cellular repair, with particular relevance for athletes who train indoors or have limited sun exposure. These are support claims, not a promise of a specific result.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVitamin D3 is provided as cholecalciferol.\u003c\/li\u003e\n\u003cli\u003eThe formula is intended to support the body's natural vitamin D needs.\u003c\/li\u003e\n\u003cli\u003eIt comes in a 60-capsule bottle.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy choose vitamin D3 instead of vitamin D2?\u003c\/h3\u003e\u003cp\u003eTHORNE Vitamin D-5,000 uses cholecalciferol, the D3 form of vitamin D. Vitamin D3 is more potent and better absorbed than vitamin D2, also called ergocalciferol; research also finds D3 more effective at raising overall vitamin D levels. This makes the form of vitamin D a useful comparison when choosing a supplement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVitamin D3 form: cholecalciferol.\u003c\/li\u003e\n\u003cli\u003eVitamin D2 is also known as ergocalciferol.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat does NSF Certified for Sport mean for this supplement?\u003c\/h3\u003e\u003cp\u003eTHORNE Vitamin D-5,000 is NSF Certified for Sport. The certification includes testing for compliance with label claims and screening for the absence of nearly 300 substances banned by many major athletic organizations. This testing is relevant to athletes who need to consider banned-substance screening when selecting supplements.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThorne is trusted by more than 100 professional sports teams.\u003c\/li\u003e\n\u003cli\u003eThorne was the most recommended clinical brand by consumers and health-care practitioners in a 2026 independent survey of US supplement consumers and health-care practitioners.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTHORNE Vitamin D-5,000 may suit adults looking for a vitamin D3 supplement to support bone and teeth health, immune function, cardiovascular health, muscle strength or cellular repair, including athletes who train indoors or have limited sun exposure. Its 5,000 IU strength, 60-capsule count and NSF Certified for Sport status make its key format and testing details clear for buyers comparing vitamin D3 supplements.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eOne Capsule Contains: Vitamin D (as Vitamin D3) (5,000 IU) 125 mcg. Other Ingredients: Microcrystalline Cellulose, Hypromellose (derived from cellulose) capsule, Leucine, Silicon Dioxide, Vitamin E (d-Alpha Tocopheryl).\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is THORNE Vitamin D-5,000 formulated to support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: THORNE Vitamin D-5,000 is formulated to support healthy teeth and bones, immune function and cardiovascular health; vitamin D3 also supports muscle strength and cellular repair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is THORNE Vitamin D-5,000 NSF Certified for Sport?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. THORNE Vitamin D-5,000 is NSF Certified for Sport, with testing for label-claim compliance and the absence of nearly 300 substances banned by many major athletic organizations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"THORNE","offers":[{"title":"Default Title","offer_id":68643574415666,"sku":"B0797HQFGT","price":29.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/3491\/1282\/files\/thorne-vitamin-d3-front-package.jpg?v=1794437850","url":"https:\/\/naturalvitaminsonline.com\/products\/thorne-vitamin-d3-supplement-5-000-iu-60-capsules-for-bone-and-immune-support","provider":"Natural Vitamins Online","version":"1.0","type":"link"}