Description

Thorne’s D-10,000 contains 10,000 IU of high-quality vitamin D3. Although it is well known that direct sunlight is a natural source of vitamin D, many individuals, especially the elderly, don’t get enough vitamin D from sunlight or from their diet. Be sure you get the vitamin D your body needs with Thorne’s easily absorbed Vitamin D-10,000.

 

Benefits of Thorne Vitamin D-10,000

  • Supports healthy teeth and bones*
  • Promotes lean muscle mass and helps maintain muscle strength*
  • Enhances the absorption and retention of calcium*
  • Supports healthy brain function*
  • Promotes cardiovascular health and immune function*
  • Formulated with vitamin D3, a more potent and better absorbed form than vitamin D2
  • Thorne’s vitamin D contains no lactose and no preservatives like BHT, BHA, sodium benzoate, and sorbic acid

 

You could be at a higher risk of a vitamin D deficiency if you

  • Rarely go outdoors, live in the northern latitudes, or have a darker skin tone
  • Have limited sun exposure due to your occupation, clothing choices, or engage in indoor athletics rather than outdoor sports
  • Regularly wear sunscreen with an SPF greater than 8
  • Are an older adult (the risk of a deficiency increases with age beginning at age 50)
  • Have a chronic health condition, such as a bowel disease or a surgical procedure (like gastric bypass) that decreases fat absorption
  • Are obese


The optimal amount of vitamin D for an individual depends on many factors and varies from person to person. Therefore, the requirement for vitamin D supplementation should be individualized. 

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, such as heavy metals, pesticides, and microorganisms.

Suggested Use:

Take 1 capsule daily or as recommended by your health-care practitioner.

Warnings:

ALLERGY WARNING

This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.

PREGNANCY

If pregnant, consult your health professional before using this product.

INTERACTIONS

Individuals with hypercalcemia should consult your health professional before taking this dose of vitamin D.

FAQs
Frequently asked question

Is Thorne Vitamin D-10,000 worth buying if I already take a multivitamin?

If your multivitamin contains vitamin D, check the dosage before adding D-10,000. Most multivitamins provide far less than 10,000 IU, making this supplement ideal for those with a diagnosed deficiency or limited sun exposure. Thorne uses high-quality D3, the most bioavailable form. We recommend consulting your healthcare provider to determine if this higher-dose option is right for your specific needs.

What is the return policy for Thorne Vitamin D-10,000?

We offer a hassle-free return policy on Thorne Vitamin D-10,000. If you're not satisfied with your purchase, you can return unopened products within 30 days for a full refund. For questions about a specific order or return eligibility, please contact our customer support team directly. We want you to feel confident in every purchase you make with us.

What is vitamin D3 and why is it better than vitamin D2?

Vitamin D3 (cholecalciferol) is the form your body naturally produces from sunlight exposure. Research shows D3 raises blood levels of vitamin D more effectively and maintains those levels longer than D2. Thorne uses D3 in this supplement to ensure optimal absorption and utilization, making it the preferred choice for correcting deficiency and supporting overall health.

Who should consider taking a high-dose vitamin D supplement like 10,000 IU?

High-dose vitamin D is often recommended for individuals with confirmed deficiency, limited sun exposure, darker skin tones, or those who are elderly. People living in northern climates or spending most time indoors may also benefit. Always consult your doctor before starting 10,000 IU daily, as optimal dosage depends on your current blood levels and individual health needs.

What are the main health benefits of Thorne Vitamin D-10,000?

Thorne Vitamin D-10,000 supports healthy bones and teeth by aiding calcium absorption, promotes lean muscle mass, and helps maintain muscle strength. Vitamin D also plays a key role in immune function and overall wellness. Because many people are deficient without knowing it, supplementing with a trusted high-potency D3 can make a meaningful difference in daily health and vitality.

Can you get enough vitamin D from sunlight and food alone?

Many people cannot. Factors like living in northern latitudes, working indoors, wearing sunscreen, aging skin, and limited dietary sources all reduce vitamin D levels. Foods like fatty fish and fortified dairy provide small amounts, but rarely enough to meet optimal levels. Supplementation with a quality D3 like Thorne's D-10,000 is often the most reliable way to fill that gap.

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