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  • Thorne Research Formula: D138 - D-5,000 - 60 Vegetarian Capsules
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  • Label information for Thorne Research D-5,000 - 60 Vegetarian Capsules
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D-5,000 - 60 Vegetarian Capsules

D138|Thorne Research

Product Description

Supports healthy bones and muscles, cardiovascular function, and immune function*

Vitamin D plays an important role throughout life, beginning with fetal development.* Unlike many vitamin D supplements, Thorne's contain no lactose or preservatives (BHA, BHT, sodium benzoate, etc).  NSF Certified for Sport®

Thorne's D-5,000 is NSF Certified for Sport®. Vitamin D protects a number of important functions in the body.* In addition to supporting healthy bones and muscles, it supports cardiovascular health and immune function.* Although direct sunlight provides natural vitamin D, many individuals of all ages, especially the elderly, do not get enough vitamin D from sunlight and their diet. Vitamin D supplementation can be of great benefit in these situations.* However, the powders used in many pre-mixed vitamin D dilutions frequently contain potentially detrimental ingredients such as lactose, as well as preservatives such as BHT, BHA, sodium benzoate, and sorbic acid. Thorne's vitamin D is formulated for individuals who are sensitive to those ingredients.

In the United States, the current recommended daily intake of 800 IUs vitamin D is based on the minimum amount to protect against bone disease. However, an upward revision of this guideline is now being considered in light of current research, especially new research regarding immune function. This research suggests serum vitamin D levels should be in the range of 32-80 ng/mL 25-hydroxyvitamin D.?

The amount of vitamin D needed to achieve minimum vitamin D sufficiency – generally recognized to be a blood level of 32 ng/mL of 25-hydroxyvitamin D – depends on many factors and varies from individual to individual. Thus, the requirement for vitamin D supplementation should be individualized. Either D-1,000 or D-5,000 maybe be ideal to maintain an optimal level of vitamin D in healthy individuals.*

Because an athlete needs to know that his or her supplements are trustworthy and compliant, every batch of an NSF Certified for Sport® product is tested for compliance with label claims and to ensure the absence of more than 200 substances banned by many major athletic organizations, including stimulants, narcotics, steroids, diuretics, beta-2 agents, and masking agents.

Thorne Research's logo, text, trademarks, graphics, and photo images are the property of Thorne Research, Inc. and are used with permission. Copyright © 2019

*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.thorne.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.


Recommended Use

Take 1 capsule one to three times daily or as recommended by your health professional.


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

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

There are no known adverse interactions or contraindications at publication date.

Product Reviews

  1. Very effective 5 Star Review

    Posted by on 17th Dec 2015

    My husband had been suffering with very low vitamin D levels, so he and I both started taking one of these a day. His recent bloodwork showed that his vitamin D levels are quite good, and I was very excited to hear this. This is the best recommendation for Thorne Research's D-5000 I could have heard or given.

*FDA Required Statement: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.