Priced at a mere 18 cents per serving and offering a generous 1,000 mcg of B12 per serving, these Nature Made vitamins are a value buy. Because the dose is considerably high, most people could ...

B12 supplements can come in a variety of forms — spray, liquid, capsule — which can make it difficult to know what to buy. That’s why we asked registered dietitians which ones they’d ...

Where to Buy: Amazon, CVS, Nature Made, Target, and Walgreens. ... Vitamin B12, one of eight B vitamins, plays a key role in red blood cell formation and nervous system function.

According to the 2001-2004 National Health and Nutrition Examination Survey, 3.2 percent of those over the age of 50 have true vitamin B12 deficiency.