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Doctor's Best

Best Vitamin D3

Item: DB176

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Swanson $11.29
Retail $20.99
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  • Best Vitamin D3 from Doctor's Best



  • 5,000 IU per softgel capsule



  • Derived from lanolin


Vitamin D3 from Doctor's Best features 5,000 IU of cholecalciferol per softgel capsule. Cholecalciferol is derived from lanolin, which is a component of sheep's wool. 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. 360 softgel capsules.

Lee Swanson, President

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If you are dissatisfied for any reason, we'll give you a full refund and pay return shipping. Lee Swanson, President of Swanson Health Products

Product Description:

Best Vitamin D3

  • Best Vitamin D3 from Doctor's Best



  • 5,000 IU per softgel capsule



  • Derived from lanolin


Vitamin D3 from Doctor's Best features 5,000 IU of cholecalciferol per softgel capsule. Cholecalciferol is derived from lanolin, which is a component of sheep's wool. 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. 360 softgel capsules.

Product Label:

Best Vitamin D3

Supplement Facts

Serving Size 1 Capsule

Servings Per Container 360 servings

  Amount Per Serving %Daily Value
Vitamin D3 5,000 IU 1,250%

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

Suggested Adult Use: Take one capsule daily, with or without food, or as directed 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.

Terms and Ingredient Definitions

Best Vitamin D3

Swanson $11.29
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Shipping Restrictions

Countries with restrictions on this product:

  • Canada

More information on shipping restrictions

States with restrictions on this product:

  • Alberta
  • British Columbia
  • Manitoba
  • New Brunswick
  • New Foundland
  • Northwest Territory
  • Nova Scotia
  • Nunavut
  • Ontario
  • Prince Edward Island
  • Quebec
  • Saskatchewan
  • Yukon Territory

More information on shipping restrictions

Doctor's Best Best Vitamin D3 Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Best Vitamin D3 5 5 17 24
just what the Dr, ordered I take this a my drs recommendation but due to the disclaimer my reviews are not wanted or acceptable. May 11, 2014
Fast service & Reliable product. Excellent product. Keeps me at the level I need to be. February 20, 2014
Finally!!! This product really works. First time for a 50 reading on my blood test. Keeping this on hand! December 11, 2013
My favorite I like Doctor's Best brand the best of any Vitamin D3 I've tried. Highly recommend it! November 18, 2013
Does the job I use a 2000 with a 5000 to help keep up my D3 levels where they belong. Works quickly to restore low levels. November 8, 2013
Great Value Haven't noticed a huge difference yet but will know more when next blood work is checked. October 4, 2013
Best Vitamin D3 All I can say is, this is the best vitamin D3 you can buy. All natural and no fillers. September 11, 2013
indispensible Vitamin D3 is involved with so many systems in the body. For about a year now, I have taken 4 softgels every morning. After trial and error, that is the dose that seems right for me personally, although I haven't been tested for my blood levels. D3 is the natural form so D3 does not tend to be as toxic or as easy to overdose on as the synthetic D2 form, or so I heard on the radio. I like Doctor's Best for D3 because it has olive oil in the formulation and it is a nice size with 360 softgels per bottle. August 19, 2013
Best product It's one of the best vitamin D . Recommends this product. June 4, 2013
My fave Viatmin D This is my favorite Vitamin D. Great value and I love that they use olive oil instead of soybean oil or some other oil. April 15, 2013
Vitamin D Have your doctor test your Vitamin D. They can determine how much to take. This pill is perfect for me. March 30, 2013
High potency I really think this product boosts my immune system. I live in the north and we don't have a lot sunshine. Good price, easy to take. March 27, 2013
This is a good source of Vit. D3. And 5000 units are recommended for most people March 14, 2013
Good Deal This D3 is so easy to swallow and takes care of the extra D3 needed. March 12, 2013
Another great value. The right form of vitamin D, in the right amount, at the best price I've found. Swanson kicks butt again. March 1, 2013
Great value, great quality! Great value, great quality! I take 10K IU per day and this economy size is a great value. February 12, 2013
Vit.d 3 No problems with this product!! will recommend it to everyone December 23, 2012
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