Best Vitamin D3 5000 IU - 720 Softgels

by Doctor's Best
  • 4.8
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"I've been taking Best Vitamin D 3 by Doctor 's Best for almost 2 years. Ordered ..."  Read all reviews

Quantity per Container: 720 Softgels
Item Number: DRB1218
Serving Size: 1 Softgel Servings per Container: 720
Price per Serving:  $0.03 Price per Unit*: $0.03 per Softgel
* Price Per Unit may reflect product's price per capsule, tablet, ounce, fluid ounce, etc.
Out of Stock
$ $23.94
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-Science-based nutrition
-Dietary supplement

Vitamin D3 (cholecalciferol) is a nutrient that is critical to many bodily functions. Vitamin D3 is beneficial for supporting bone health‚ immune wellness‚ 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. Common supplemental forms of Vitamin D include D3 (cholecalciferol) and D2 (ergocalciferol). Vitamin D3 is the naturally-occurring form in humans. Research shows that supplemental vitamin D3 (cholecalciferol) is significantly more efficient at converting to active vitamin D in the body than vitamin D2 (ergocalciferol).1 This makes vitamin D3 the preferred supplemental form of this nutrient

Vitamin D is essential for life. It regulates calcium homeostasis in the human body‚ which is of vital importance as calcium is involved in the function of all cells. Calcium balance is also essential for bone growth and formation‚ as well as for the function of the nervous system. Vitamin D has been shown in multiple studies to support healthy bone structure. However‚ over the last several years‚ more and more research has focused on other critical functions of this hormone-like vitamin. Vitamin D plays a role in most organs and systems of the body. Like other hormones‚ vitamin D acts as a “molecular switch” by influencing the expression of multiple genes .1 Thus‚ activated vitamin D not only influences bone health‚ but is involved in supporting the function of the immune system‚ cardiovascular system‚ respiratory system and the musculoskeletal system‚ among others.

Added to the knowledge of how vitamin D can affect the function of various organs throughout the human body is research showing that a majority of individuals are not getting optimal levels of this crucial “super vitamin” on a daily basis‚ placing them at risk for deficiencies.



These statements have not been evaluated by the Food and Drug Administration (FDA). These products are not meant to diagnose‚ treat or cure any disease or medical condition. Please consult your doctor before starting any exercise or nutritional supplement program or before using these or any product during pregnancy or if you have a serious medical condition.

  • MFG # DRB-00363
  • UPC # 753950003637
Official Website: http://www.drbvitamins.com

Serving Size: 1 Softgel
Servings Per Container: 720

Amount Per Serving / % Daily Value

Vitamin D3 5000IU / 1250%*

* Daily Value not established.

Other Ingredients: Extra Virgin Olive Oil‚ Softgel Capsule (Gelatin‚ Glycerin‚Purified Water).

Non-GMO and Gluten Free.

Contains nothing other than listed ingredients.

Take 1 Capsule daily or as directed by a nutritionally informed physician.

Store in a cool‚ dry place.

Allergen Caution: This Product is Gluten Free‚ Non-GMO.

  • Gluten Free
  • GMO Free

Ratings and Reviews

Write a Review
  • 4.8
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5 112
  • 112 Reviews
    • Verified Buyer

      I never get the flu

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      from Pensacola Florida on 4/17/2020
      Since taking D-3 along with zinc and my green drink, I haven't caught a cold or flu in about 5 years. If I feel a cold trying to take hold, I up my Vitamin D-3 . D-3 is my flu shot. I don't dread the winter anymore, knowing I won't catch the flu/cold. 

      Pros

      It works!

      Cons

      Nothing. 
      I would recommend this item to a friend.
    • Verified Buyer

      good price

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      from MCALLEN TX on 3/27/2020
      doctor suggested Vitamin D3 as a was low, this brand is cost effective

      Pros

      easy to swallow

      Cons

      I would recommend this item to a friend.
    • Verified Buyer

      Great Value

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      from Stafford VA on 1/07/2020
      Great value and great product!
      I would recommend this item to a friend.
    • Verified Buyer

      A soft gel that works.

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      from DUBOIS WY on 9/08/2019
      I believe this product has a decent potency.

      Pros

      Soft gel form is easy to take.

      Cons

      Nothing
      I would recommend this item to a friend.
    • Verified Buyer

      Questionable bovine gelatin ingredient

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      from Georgia on 2/03/2019
      I've been using this Vitamin D3 5000 IU by Doctor's Best, which has helped get my vitamin D numbers in normal range, so that's a good thing. However, I just noticed one of the "other ingredients" on the bottle I have is bovine gelatin.

      Pros

      Helped get my vitamin D numbers in normal range.

      Cons

      Use of bovine gelatin (comes from cows).
      I would recommend this item to a friend.
    • Verified Buyer

      Vitamin D3 5000 IU

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      from Elyria on 1/29/2019
      I started taking this Vitamin D3 5000 IU by Doctor's Best because a blood test indicated that my level was low(below 50). From September through May I take D3 regularly. My last blood test showed my D3 level at 67! I will continue taking this product to maintain my D3 levels. I also ordered several bottles to share with my daughter my friends!

      Pros

      The capsule is small and easy to take and the dose is what I was looking for.

      Cons

      Nothing.
      I would recommend this item to a friend.
    • Verified Buyer

      I believe in D3

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      from MENTONE CA on 1/02/2019
      Vitamin D3 5000 IU by Doctor's Best works well, my blood work showed normal levels

      Pros

      Easy to take in gel form

      Cons

      I would recommend this item to a friend.
    • Verified Buyer

      Important Supplement!

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      from SAN ANTONIO TX on 4/09/2018
       D3 5000 IU by Doctor's Best has helped me with energy and increased cognitive function. I have used this brand for a few years and I like the benefits and the quality. Most people aren't getting enough vitamin D3 and it's an extremely important supplement.
      I would recommend this item to a friend.
    • Verified Buyer

      Usually very good.

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      from Woodbine, MD on 3/12/2018
      Have been taking Vitamin D3 5000 IU by Doctor's Best for years. I chew one soft gel each morning and keeps my levels perfect. But this particular batch did not taste quite right. I think the olive oil was a little off. I also use this for my horses so will use it for them since they get it mixed in their feed and don't notice the taste. Normally I am very pleased with this brand and will continue to use it.

      Pros

      Chewable. Does not taste bad!

      Cons

      Nothing.
      I would recommend this item to a friend.
    • Verified Buyer

      Great product!

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      from ELGIN TX on 3/01/2018
      I have a good experience with Vitamin D3 by Doctor's Best. It's great for my bones.

      Pros

      It works well as stated.

      Cons

      Nothing.
      I would recommend this item to a friend.
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Additionally, PureFormulas is unable to directly recommend products in relation to specific health conditions. Please contact your trusted healthcare practitioner for direct product recommendations.

If you have any general questions regarding orders or our policies and programs, please contact our Customer Happiness Team @ 1.800.383.6008

If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Your healthcare professional is the best source for guidance before beginning an exercise or nutritional supplement program.

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.

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