Vitamin B12 (Methylcobalamin)THORNE Vitamin B12 provides methylcobalamin, the active and tissue ready form of vitamin B12 that your body can use immediately without conversion. Each capsule delivers 1mg of this essential nutrient that supports energy metabolism, and nerve function. Unlike synthetic cyanocobalamin found in many supplements, methylcobalamin is the natural form of B12 that accumulates more effectively in liver tissue and has superior retention in the body. This
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