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  • Product Code: JRW-29042
  • UPC Code: 790011290421
  • Package Quantity: 100 Softgels
  • Dimensions: 3.9 x 2.3 x 2.3 in, 0.1 lbs (0.05 kg)
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Product Overview

  • Cholecalciferol
  • In Extra Virgin Olive Oil
  • Dietary Supplement


  • Calcium and Bone Metabolism
  • Immune Function

Jarrow Formulas Vitamin D3 provides cholecalciferol, the most bioavailable form of vitamin D. Vitamin D3 is converted by the kidneys into the hormone calcitriol, the active form of vitamin D3. Vitamin D3 enhances calcium and phosphorous absorption, stimulates the synthesis of osteocalcin (an important structural protein in bone), and supports a healthy immune response.

Suggested Use

For adults, take 1 softgel every other day with a meal or as directed by your qualified healthcare professional.

Other Ingredients

Extra virgin olive oil. Softgel consists of gelatin, glycerin and water.

No wheat, no gluten, no soybeans, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts.

100 IU of Vitamin D is equal to 2.5 micrograms of cholecalciferol. Each softgel contains 62.5 mcg of cholecalciferol.


Note: Individuals consuming more than 2,000 IU/day of vitamin D should periodically obtain a serum 25-hydroxy vitamin D measurement. If you have a medical condition (especially kidney stones or dysfunction, hyperparathyroidism, hypercalcemia, lymphoma, or sarcoidosis), are pregnant, lactating, trying to conceive, under the age of 18, or taking medications, consult your healthcare professional before using this product.

Keep out of the reach of children.

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Supplement Facts
Serving Size: 1 Softgel
Servings Per Container: 100
  Amount Per Serving % DV
Vitamin D3 (cholecalciferol) 2500 IU 625%

iHerb Customer Reviews

5 Stars
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1 Stars

Best Choice For Me

Posted by Reviewer1015684 on Jul 03, 2009

I found this product best for a few reasons. The size of the gel caps are very easy to swallow. My goal was to supplement with 5,000 IU per day. I found that taking two Jarrow 2,500 IU formula was cheaper than most 5,000 IU products in a single cap. I also feel it is better to supplement twice a day to keep consistent (and likely more available) levels of D3 in the body, rather than dosing 5,000 IU all at once.

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6 people found the following review helpful

Vit. D3 2500 IU By Jarrow Formulas --Very Good

Posted by Reviewer3021962 on Dec 21, 2008

This is such a necessary vitamin, it would be hard to say anything bad. Vit D3 is used by our bodies to compliment Calcium and Phosphorus absorption, I believe. Beside stifling cancer cell growth it also helps with prevention of SAD or Seasonal Affective Disorder, which happens around January for people prone to depression. Stands to reason, since by January most Vit D3 is depleted from the body. I am not a nutritionist butI would surmise that including this in elderly diet regimen would help take the edge off Sundowner Syndrome also, but I have no proof. I do know that professionals are advocating higher dosages based on preliminary studies showing that 400 IU daily is not enough. This brand may be less expensive than others.

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4 people found the following review helpful

Great stuff!

Posted by Reviewer1063977 on Aug 31, 2012

I know I need vitamin D (my levels are borderline low) but taking it caused bad anxiety. Come to find out, it isn't the vitamin D's fault, rather a deficiency in magnesium and calcium that caused my body to freak out when I added the D. Our body's need all three of those minerals to work in concert with one another, otherwise, taking one may perpetuate a deficiency in another. After I corrected the other two deficiencies, taking this vitamin D wasn't a problem!

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4 people found the following review helpful

Jarrow Formulas, Vitamin D-3, 2500 IU, 100 Softgels

Posted by noneofyourfrigginbusiness on Dec 07, 2009

High quality.

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2 people found the following review helpful

My Daughter (the nurse) Told Me to Get

Posted by Reviewer1832676 on Nov 08, 2008

Said everyone who came into their office was VERY low on vitamin d, & vitamin d3 was the best way to supplement for that deficiency.

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2 people found the following review helpful

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