If you're considering a vitamin B12 supplement because of certain dietary restrictions, medical conditions or your age, this ...

Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more about them here.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It’s normal to wonder if you’re meeting your nutritional needs if you’re feeling off in your day-to-day.

Medically reviewed by Leigh Weddle, PharmD Vitamin B12 and magnesium are essential nutrients for energy production, nervous ...

Vitamin B12 is essential for red blood cells, DNA synthesis and your cognitive health. Taking your vitamin B12 supplement at breakfast time may help with efficacy. While side effects are rare, vitamin ...

The world of vitamin B12 supplementation has undergone significant changes in recent years. Once confined to basic tablets, modern B12 supplements now come in various forms designed to meet specific ...

Medically reviewed by Maggie Moon, MS, RD Vitamin B12 supports red blood cells, nerve health, and DNA production, with adults ...

Vitamin B12 is essential to your body, but some people find it hard to maintain healthy levels without the help of a B12 supplement. Not everyone needs to supplement B12, but you should do so if you ...

What happens if your body has too much vitamin B12? Read on to find out the dangerous side effects of having excessive levels of this nutrient in the body. TheHealthSite.com ...

Some supplement manufacturers also caution that vitamin C may chelate copper, meaning it could reduce how well the mineral is absorbed. If you take both supplements, it may help to avoid large doses ...

From vitamins C and D to calcium and magnesium, it’s critical to know whether you’re taking the correct dosage to avoid health problems ...