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Doctor's Best

Best Vitamin D3

Best Vitamin D3

Item: DB102

  • 5000 IU / 180 Softgel Capsules

  • Science-Based Nutrition

  • The Sunshine Vitamin!

5,000 IU 180 Sgels

Retail $11.99
Save 47%
In Stock
  • 5000 IU / 180 Softgel Capsules

  • Science-Based Nutrition

  • The Sunshine Vitamin!

Vitamin D3 (cholecalciferol) is a nutrient that is critical to many bodily functions. Vitamin D3 is beneficial for supporting bone health, immunity, cardiovascular function, and cellular metabolism, among others. Mounting research is highlighting the ever-increasing benefits of optimal vitamin D3 status. Vitamin D3 is known to interact with over 200 different genes and thus plays a crucial regulatory role as a metabolic activator for a multitude of metabolic processes. Non-GMO and gluten free.

Terms and Ingredient Definitions


Supplement Facts

Serving Size 1 Capsule

Servings Per Container 180 servings

  Amount Per Serving %Daily Value
Vitamin D3 5000 IU 1250%

Other Ingredients: Extra virgin olive oil, softgel capsule (gelatin, glycerin, purified water).

Suggested Adult Use: Take 1 capsule up to 2 times daily with food, or as recommended by a nutritionally-informed physician.

The vitamin D3 contained in this product is derived from lanolin, a component of sheep's wool.

Not suitable for vegetarians. Contains nothing other than listed ingredients.

Shipping Weight

.16 lbs

Doctor's Best Best Vitamin D3 Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Rated 4.9 out of 5 by 17 reviewers.
Rated 4 out of 5 by I take it regularly, and my Ca lab readings are satisfactory. To what extent the supplement helps I cannot tell. May 26, 2016
Rated 5 out of 5 by Great value Good product, good value. Easy to take. May 17, 2014
Rated 5 out of 5 by Great D3 I like Doctors best products. When I compare them side by side with other brands their quality and price make them a first choice for me. May 3, 2014
Rated 5 out of 5 by Vitamin D3 I like that it's in a softgel and has olive oil as the carrier oil. Good price for the quality and in a convenient small size. October 21, 2013
Rated 5 out of 5 by Best Vitamin D3 I'm pleased with this product and for the price, it's a great value June 5, 2013
Rated 5 out of 5 by very good product I have found this very helpful with and for my legs, joints and I just feel better all around. Thank You for the good price. Have told my friends and family Thank You for being there for me June 2, 2013
Rated 5 out of 5 by D 3 Both my husband and I take 5000 units daily and Swanson Vitamins give you the best value for your dollar on all vitamins. We have purchased this product for years and we both recommend this product. May 31, 2013
Rated 5 out of 5 by easy to take Great product and easy to take. I can't give the reason I take it because its disallowed. February 17, 2013
Rated 5 out of 5 by Good product, good price After being told I had very low levels of Vitamin D3 I tried lots of products before coming across this one. My numbers are now up and what I like about this one is that is has no soy, is small and gel. You also get so many for your money. February 9, 2013
Rated 5 out of 5 by Vitamin D is the best Having low vitamin d these supplements are easy to take and have no bad side effects. September 25, 2012
Rated 5 out of 5 by Good product! I got my D3 vitamin and it was fine! August 1, 2012
Rated 5 out of 5 by Good Value I appreciate the value of Swanson products. Many of the Vitamin D products on the market are lower strength and more expensive. The Swanson brand assures me that I am getting my money's worth. July 11, 2012
Rated 5 out of 5 by Great Vit D3 Great purchase, definitely recommend. January 11, 2012
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Why Shop Swanson® Brands?

"With my personal 100% money-back satisfaction guarantee, you have nothing to lose and great savings to gain."

Lee Swanson, Founder of Swanson Health Products

Risk-Free Purchase Guarantee on Doctor's Best Best Vitamin D3

If you are dissatisfied for any reason, we'll give you a full refund and pay return shipping.

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We are dedicated to offering the highest quality products at the best price. Find out more about how we ensure such a high standard in everything we do.

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5,000 IU 180 Sgels

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