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Product Review: Calcium Supplements (Including Vitamin D, Vitamin K, and Magnesium)
 

Intial Posting: 4/4/15
Calcium Supplements Reviewed by ConsumerLab.com Caution with Calcium Supplements Containing Added Bone Health Ingredients! 

Be Sure You Are Taking a Quality Product. Find Out Now If Yours Passed!

Alphabetical list of calcium supplements reviewed and rated in report
Bayer Citracal Slow Release 1200 Douglas Laboratories Calcium Citrate Rainbow Light Food Based Calcium
Andorra Life Collagen Calcium Finest Nutrition (Walgreens) Calcium Shaklee Osteomatrix
Bayer Citracal Petites GNC Calcium Plus 1000 with Magnesium & D3 Solgar Calcium Citrate with Vitamin D3
Bayer Flintstones Healthy Bone Support Calcium & Vitamin D3 Jarrow Formulas Bone-Up Spring Valley [Walmart] Calcium plus Vitamin D3
Caltrate 600+D Plus Minerals Kirkland Signature [Costco] Calcium Citrate Magnesium And Zinc Standard Process Calsol
ChildLife Liquid Calcium With Magnesium Nature Made Calcium Magnesium Zinc Trader Joe's Calcium Citrate with Vitamin D
Country Life Bone Solid Nature's Way Alive Calcium Bone Formula USANA Active Calcium
CVS/pharmacy Calcium Nature's Way Alive Calcium Gummies Viactiv Calcium Plus D - Milk Chocolate
DG Health [Dollar General] Calcium Nutrilite Cal Mag D Advanced Yummi Bears Vegetarian Sour Calcium + Vitamin D3
Make sure the calcium supplement you take passed our review and is right for you! Isn't your health worth it?

Calcium is critical for building and maintaining strong bones and preventing osteoporosis. Calcium is also needed for the proper functioning of nerves, muscles, glands, and the cardiovascular system.

Some people don't get enough calcium and can benefit from calcium supplements. But you need to be careful! If you take too much calcium from supplements, you may be increasing your risk of heart attack and kidney stones. 

You also need to be concerned about the quality of calcium supplements. Out of 15 calcium supplements recently purchased by ConsumerLab.com, 3 failed quality testing because they contained incorrect amounts of other key ingredients -- one contained 183% of its listed amount of vitamin D, another contained 89% of its listed vitamin D, while a third contained none of its listed vitamin K2

You must become a ConsumerLab.com member to get the test results and quality ratings for the calcium supplements we tested, including combination products with vitamin D, vitamin K, and magnesium. You will get results for 27 calcium supplements: 15 selected for testing by ConsumerLab.com and 12 others that passed the same tests through CL's voluntary Quality Certification Program. In this comprehensive report, you'll discover:

    • Which calcium supplements failed our quality ratings and which passed -- including combinations with vitamin D, vitamin K, and magnesium 
    • Cost comparisons to help you choose a calcium supplement offering the best value based on amounts of elemental calcium
    • The pros and cons of different forms of calcium such as carbonate, citrate, oyster shell, and coral calcium and which may be best for you
    • Recommendations on calcium dosage by age and gender and for specific uses, as well as how much calcium may be too much and how best to take calcium supplements
    • Potential drug interactions and side effects of calcium supplements

If you already are a member, SIGN IN now.
ConsumerLab.com Answers -- for Calcium Supplements (Including Vitamin D, Vitamin K, and Magnesium)
Question:
How much calcium from supplements is too much? Get the answer >>

Question:
Which supplements help reduce the risk of colorectal cancer? Get the answer >>

Question:
I have low blood pressure. Are there any supplements I should avoid? Get the answer >>

Question:
I was surprised when my doctor told me to stop taking supplements because my kidney function was low. But after stopping the supplements, my kidney function returned to normal. Can taking a lot of supplements really damage the kidneys? Get the answer >>

Question:
Can taking fish oil or calcium supplements increase my risk of prostate cancer? My doctor recommended that I stop taking them since I have an enlarged prostate. Get the answer >>

Question:
Which supplements can help keep my heart healthy? Are there any to avoid? Get the answer >>

Question:
Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins? Get the answer >>

Question:
I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements I should avoid, or be taking, due to this drug? Get the answer >>

Question:
Does Prevagen really improve memory? Get the answer >>

Question:
I've been buying nutritional supplements in powder form, as I find them cheaper than tablets and capsules. I am concerned about the effect of air when I open the bottles daily because sometimes my powdered supplements get clumpy. Should I be concerned? Get the answer >>

Question:
Is calcium hydroxyapatite really better than other forms of calcium? Get the answer >>
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