Nature's Plus Vitamin B-12 2000mcg Time Release 60 Sustained Release Tablet
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"Each tablet supplies a precise daily measure of Vitamin B-12 as cyanocobalamin . Vitamin B-12 has a broad range of physiological roles and benefits, but is best known for its part in the nutritional support of red blood cells. In a special base which provides for the gradual release of ingredients over a prolonged period of time. "