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A permanent B12 supplementation is often recommended, especially in the elderly, as the ability to absorb the vitamin decreases greatly with age and can thus not be obtained through the diet alone
Whether the lower price represents a bargain or wasted money depends entirely on whether the product does anything, and the data says it does not
Dandona P, Kumar V, Aljada A, Ghanim H, Syed T, Hofmayer D et al
US$ 29.80
US$ 25.34
US$ 29.59
