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Thorne Research, D-5,000, 60 Veggie Caps

By Thorne Research

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  • Product Code: THR-13801
  • UPC Code: 693749138013
  • Package Quantity: 60 Veggie Caps
  • Dimensions: 3 x 1.8 x 1.8 in, 0.05 lbs (0.02 kg)
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Product Overview

  • Dietary Supplement
  • Hypoallergenic

D-5000 for individuals desiring higher amounts of vitamin D supplementation

  • Thorne's vitamin D is pure vitamin D without hidden ingredients – like lactose, BHT, BHA, sodium benzoate, and sorbic acid – that can be detrimental to sensitive individuals
  • supports cardiovascular, immune, and bone health

It is essential to maintain healthy vitamin D levels throughout all stages of life, from fetal development to old age. Vitamin D helps protect a number of important functions in the body. The current recommended daily vitamin D intake of 400 IUs is based on the minimum allowance to protect against bone disease. However, an upward revision of the FDA's guideline is now under consideration in light of new research, especially pertaining to immune function. Cutting-edge research suggests serum vitamin D levels should be in the range of 32-80 ng/mL 25-hydroxyvitamin D (25(OH)D). Although direct sunlight exposure is a good source of vitamin D, many people do not get enough sun due to season change, latitude, or lifestyle. Therefore, vitamin D supplementation can be of great benefit in these cases.

Vitamin D deficiency is quite common, particularly among the elderly. For example, a study conducted at a hospital in Glasgow, Scotland, found an almost universal vitamin D deficiency among a group of 548 elderly patients. Individuals deficient in vitamin D may need 5,000-10,000 IU of vitamin D daily to replenish tissue stores. With these individuals specifically in mind, Thorne's D-5,000 supplies 5,000 IU of pure vitamin D3 in each vegetarian capsule.

Some vitamins, because of their potency, are usually given in very small amounts. Examples of such "micro-dose" vitamins include vitamin D, vitamin K, and vitamin B12. Most dietary supplement manufacturers purchase "micro-dose" vitamins from raw material suppliers as premixed dilutions, meaning the vitamins (in powder form) are mixed with other powdered substances that in turn make it easier for the manufacturer to handle and mix a larger quantity of raw material. Unfortunately, the powdered substances used in these premixed dilutions frequently contain potentially detrimental ingredients such as lactose and also the preservatives BHT, BHA, sodium benzoate, and sorbic acid.

At Thorne Research, our promise is to give you the purest supplements humanly possible. Therefore, we do not purchase premixed dilutions of any "micro-dose" vitamins. Instead, we purchase pure, undiluted vitamins and create our own dilutions when it is necessary to do so, using pure, hypoallergenic powders, such as magnesium citrate or plant cellulose. The resultant premixture is then added to the dietary supplement being made, ensuring the proper amount of each pure nutrient is contained in each capsule

Suggested Use

Take 1 capsule one to three times daily or as recommended by your health-care practitioner.

Other Ingredients

Microcrystalline cellulose, hypromellose (derived from cellulose) capsule, leucine, silicon dioxide, vitamin E (mixed tocopherols).


Tamper Evident: Use only if bottle is sealed.

If pregnant, consult your health care practitioner before using this product.

Store tightly sealed in a cool, dry place.

Visit Manufacturer's Website
Supplement Facts
Serving Size: One Capsule
Each Capsule Contains: Amount Per Serving % DV
Vitamin D (as Vitamin D3 5,000 IU 1250%
Daily Value (DV)

iHerb Customer Reviews

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The SUNSHINE vitamin

Posted by eathealthy on Jun 29, 2013

Get your sunshine vitamin in this easy to swallow size capsule! Thorne is a reputable brand used by naturopaths in North America! If you like my review check out my page by clicking eathealthy in blue above to see reviews of all the products I have purchased from iHerb!

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6 people found the following review helpful

buying from overseas

Posted by Reviewer2041959 on Nov 13, 2010

Exactly the same product as my doctor had me get here in Australia only one third of the price. Highly recommend buying from iHerb.com. Really fast shipping and came through customs with no problem.

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7 people found the following review helpful

Easy to Swallow capsules

Posted by Reviewer1751211 on Jan 30, 2010

I was amazed that one of these small capsules could contain 5000 mg while only one of the 1000 mg caps I purchased elsewhere were at least twice as large. These must have a much more concentrated formula with less filler. They are easy to swallow.

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6 people found the following review helpful

Top Quality Product

Posted by adechamplain on Jul 07, 2013

I love Thorne Research. I used to use a dropper for vitamin D but I prefer these. The capsules are tiny and I think 5000IU is probably the best dose for me and most people as most people are deficient in vitamin D. Low levels of vitamin D are closely related to incidences of Cancer and insuring you keep your vitamin D (25OH) levels in the optimal range is very important. Ask your doctor to monitor this yearly and inform yourself as to what optimal ranges are rather than the "normal" range as you know that most people are deficient and who wants to be normal.

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2 people found the following review helpful

햇빛과 담 쌓은 사람들에게

Posted by hyunha on Feb 21, 2013

20분 자외선 쬐면 비타민D 하루 분량은 생성된다더군요. 근데 그 외 다른 비타민D3 얻는 장점이 많고 요즘은 반드시 먹어줘야하는 필수 비타민 중 하나로 떠오르더군요. 드세요.

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2 people found the following review helpful

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