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  • Kirkland Signature Extra Strength Vitamin D3 2000 I.U. 600 Softgels,  Bottle
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Kirkland Signature Extra Strength Vitamin D3 2000 I.U. 600 Softgels, Bottle

420 customer reviews
| 13 answered questions

List Price: $20.93
Price: $12.08 ($0.02 / Count) & FREE Shipping on orders over $35. Details
You Save: $8.85 (42%)
In Stock.
Sold by DF Discounts and Fulfilled by Amazon. Gift-wrap available.
1 Count
  • Supports bone, colon, muscle, immune and breast health
  • D3 can do amazing things for you and your body to keep running in great health
  • Dietary supplement
69 new from $6.80

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$12.08 ($0.02 / Count) & FREE Shipping on orders over $35. Details In Stock. Sold by DF Discounts and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

Kirkland Signature Extra Strength Vitamin D3 2000 I.U. 600 Softgels,  Bottle + Kirkland Signature Omega-3 Fish Oil Concentrate, 400 Softgels, 1000 mg Fish Oil with 30% Omega-3s (300 mg) + Kirkland Vitamin C with Rose Hips and Citrus Bioflavonoid Complex (1000 mg), 500-Count Tablets
Price for all three: $42.45

Buy the selected items together


Product Description

Size: 1 Count

Vitamin d3, also known as the sunshine vitamin, is important for strong bones and teeth.† vitamin d3 also plays a major role in healthy cell development and helps keep the immune system strong.† d3 has been shown to promote muscle health, breast health and colon health. Ingredients Soybean Oil, Gelatin, Glycerin, Water, Corn Oil, Caramel (Artificial Color), Cod Liver Oil, Vitamin D3 (Cholecalciferol).

Product Details

Size: 1 Count
  • Product Dimensions: 6 x 5 x 4 inches ; 2.7 ounces
  • Shipping Weight: 6.4 ounces (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Origin: USA
  • ASIN: B002RL8FE8
  • UPC: 811845602539 096619393916
  • Item model number: KIRK2K
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (420 customer reviews)
  • Amazon Best Sellers Rank: #566 in Health & Personal Care (See Top 100 in Health & Personal Care)
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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

41 of 43 people found the following review helpful By L. Vickers on January 25, 2012
Size: 1 Count Verified Purchase
I was feeling tired and just run-down. Went to the doctor and had blood work, to find out that I was low to deficient in Vit D. After some research on vitamins, Kirkland brand comes out on top for quality. I don't live any where near a Cosco- so purchased here because price was good. Even being low in Vit. D, I take only one pill (2000I.U.) a day. More than 6000 I.U. is actually harmful, I guess. All in all, I would say that the pills are actually working - I have regained my zip, which makes me think that I could honestly recommend these vitamins.
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59 of 65 people found the following review helpful By C. Ritchotte on September 17, 2011
Size: 1 Count Verified Purchase
I started taking D3 after reading recent studies that found modern people were overall pretty deficient in it. Nearly all the symptoms of deficiency applied to me. I live in a state where it's cold outside for at least six months of the year, and I do a lot of desk work and don't get outside as often as I'd like.

For years I was constantly ill, so much so that it became a running joke. Whenever someone in my son's elementary class got sick, it seemed like he'd catch it and bring it on home to me. I can pinpoint the time when the constant colds stopped happening to the time we both started taking D3 supplements (though children under 12 or 13 need far less than adults, they still need more than the 200 I.U. the FDA used to recommend). In the past ten months, we've only been ill once, which is a record around here.

It does take a little time to build yourself back up to ideal levels if you're really deficient--seems to have worked out well when I took two for the first month or so and then dropped down to to one a day thereafter. I should mention that I've also begun taking a lot of other supplements like fish oil and probiotics, but this one and perhaps the daily probiotics seems to have been the key.

D3 is important for the absorption of calcium, helps depression, high blood pressure, some cardiovascular disease, prevents rickets in children, and a lot more. So far, the Kirkland D3 is the best deal I've found on the web that is of a decent quality (you don't want this in a pressed pill, as it needs oil to absorb best). I'm not sure how the Amazon price compares to the price at Costco, but if memory serves this is pretty close.
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26 of 29 people found the following review helpful By R. Aleman on August 26, 2013
Size: 1 Count Verified Purchase
I recently had an annual checkup with my doctor where she had me get a vitamin panel done. Apparently, I was nearly deficient in Vitamin D. She said it could have been for many reasons: I have a caramel complexion, I was staying up North for the summer as opposed to Florida, and I was not spending as much time outside because of work. She recommended I specifically take 2000 IUs of Vitamin D3, so I ordered this one since it's had some of the best reviews.

It's been three weeks, and I do feel better. Interestingly enough, I'm a lot less anxious and nervous when reacting to everyday things. It's like how you feel calmer after sunbathing for a while. Food for thought.

Take this bottle if your doctor told you you're low on Vitamin D. I would consult with them in any case.
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10 of 11 people found the following review helpful By Haig Balikian on December 9, 2013
Size: 1 Count Verified Purchase
They are what they say. They seem to be reliable based on various Vitamin D blood tests I have taken. Like any D3, they are tiny soft gels.
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13 of 15 people found the following review helpful By ItsJusMe on August 10, 2013
Size: 1 Count Verified Purchase
I had a vitamin d deficiency. Dr. told me to try this.Good price and my vitamin d deficiency is gone.
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14 of 17 people found the following review helpful By maxx001 on November 20, 2013
Size: 1 Count Verified Purchase
Frequent exposure of the skin to sunlight promotes sufficient vitamin D synthesis without the need for supplements, however, adults who have darker skin pigmentation or frequently wear sun protection during outdoor activities are often vitamin D deficient.
Vitamin D for humans is obtained from sun exposure, food and supplements. It is biologically inert and has to undergo two hydroxylation reactions to become active in the body. The active form of vitamin D in the body is called Calcitriol (1,25-Dihydroxycholecalciferol).

Calcitriol promotes the absorption of calcium and phosphorus from food in the gut and reabsorption of calcium in the kidneys - this increases the flow of calcium in the bloodstream. This is essential for the normal mineralization of bone and preventing hypocalcemic tetany.

Hypocalcemic tetany is a low calcium condition in which the patient has overactive neurological reflexes, spasms of the hands and feet, cramps and spasms of the voice box (larynx). Calcitriol also plays a key role in the maintenance of many organ systems

D3 is more effective in the bloodstream vitamin D is essential for the "formation, growth, and repair of bones and for normal calcium absorption and immune function" and there are studies to suggest that "higher levels of vitamin D in the blood are associated with reduced risks of colorectal cancer.
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14 of 18 people found the following review helpful By Amazon Customer on August 7, 2013
Size: 1 Count Verified Purchase
Like with all supplements you need to review how much you think you should be taking. Don't use news sites or listen to celebrity doctors (Dr. Oz). These people/places are probably the worst source of information and promote ignorance because it sells. Ask your doctor or read suggestion from place like the Mayo clinic. For basic functions you can get away with 200-400IU a day (if you look at your milk it offers about 50IU and says that is 25% of your daily needed). Athletes and those that don’t get enough sun, most people, are going to need 2000-3000IU a day to see effects in mood.
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Want to discover more products? Check out these pages to see more: made vitamin d3, caramel ingredients, strenght muscle, vitamin a and d

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