
Vitamin B12, also called cobalamin, is a nutrient you get from eating animal products. The symptoms of B12 deficiency tiredness, muscle weakness, mouth ulcers, and other symptoms. Read more: What Are the Symptoms of B12 Deficiency? Article
Multimedia: Slideshows, Images & Quizzes
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Vitamins and Supplements: Signs You're Low on Vitamin B12
Your body needs vitamin B12 to keep blood cells healthy and to make your nerves work right. But what happens when you run low?
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Vitamins and Supplements: What to Know Before You Take Herbal Supplements
Not all herbs and supplements are safe, especially if you have certain medical conditions or take some drugs. Find out which ones...
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Nutritional Health: 19 Key Vitamins and Minerals Your Body Needs
Minerals and vitamins are key nutrients your body needs to thrive. Vitamin A, vitamin C, vitamin D, vitamin E, niacin, and...
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Vitamins and Supplements: What Can You Take to Fight Inflammation?
Arthritis, intense exercise, and sugary or fatty foods are some of the things that can lead to inflammation. Here’s what you can...
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Vitamins and Supplements: Test Your Medical IQ
Take the Vitamins & Supplements Quiz to learn just how many essential vitamins your body needs to function!
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Eye Health: Foods, Vitamins and Nutrients to Improve Eyesight
Eye Health: Foods, Vitamins and Nutrients to Improve Eyesight
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Healthy Aging: Vitamins You Need as You Age
Your body needs more of certain vitamins and minerals as you hit your 40s and beyond. Find out which ones will benefit you -- and...

SLIDESHOW
Vitamin D Deficiency: How Much Vitamin D Is Enough? See SlideshowRelated Disease Conditions
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What Vitamins and Supplements Should Not Be Taken Together?
Some vitamins that should not be taken together, or have dosage limitations, include vitamin C with vitamin B-12, vitamin A supplement with vitamin A-rich foods, folic acid (vitamin B9) and vitamin B12, and vitamin E with vitamin K.
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Is It Better to Take Vitamins in the Morning or Night?
Doctors recommend multivitamins for certain vitamin deficiencies. If you're taking a vitamin supplement for any type of vitamin deficiency, you should try to take it at a time when your body can best absorb it.
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Vitamins and Calcium Supplements
Vitamins are organic substances that are essential for the proper growth and functioning of the body. Calcium is a mineral essential for healthy bones and is also important for muscle contraction, heart action, and normal blood clotting. Check out the center below for more medical references on vitamins and calcium supplements, including multimedia (slideshows, images, and quizzes), related disease conditions, treatment and diagnosis, medications, and prevention or wellness.
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Can Vitamin B12 Reverse Premature Gray Hair?
If vitamin B12 deficiency is the cause of premature graying, then it can be reversed with vitamin B12 supplementation.
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What Vitamins and Supplements Should I Avoid During Pregnancy?
You should always clear it with your obstetrician before taking any vitamins or supplements while pregnant.
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What Vitamins Can Help Boost My Mood?
Studies have identified a few vitamins that can help boost your mood, including vitamin D, B vitamins, vitamin K, and vitamin C.
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What Vitamins and Supplements Should I Take During Pregnancy?
Even if you eat a variety of nutritious foods, you may need to take pregnancy vitamins and supplements. This is especially true if you have a restricted diet, are pregnant with twins or multiples, have food allergies, or nutrient deficiencies. Talk to your doctor about your needs.
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