Los Angeles is filled with B12 devotees who swear by injections (or lozenges, sprays or vitamins) of the vitamin. We asked experts whether B12 supplements live up to the hype:
Who needs it?
"B12 is essential for everyone," says Dr. Zhaoping Li, director of the Center for Human Nutrition at the...
via L.A. Times - Health http://ift.tt/1UHPxHS
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