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

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.

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

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 ...

This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: There’s not much research on B12 shots for weight loss. People with obesity tend … ...

"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.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." "Vitamin B12 helps keep our nervous systems and brains functioning properly. It's needed for the ...

A vitamin B12 supplement often becomes essential when persistent fatigue, weakness, memory lapses, or tingling in the hands and feet begin to affect daily life. These symptoms are usually overlooked ...