4 Pack - Sundown Naturals Vitamin B-12 1000 mcg, 120 Time Release Tablets Each

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Sundown Naturals B12 provides you with a high potency source of this essential B Vitamin, which is also known as Cyanocobalamin. B12 supports heart and circulatory health, contributes to a healthy nervous system, and plays a role in energy metabolism.* B12 also aids in the normal development and the regeneration of red blood cells.* This time release formula allows you to reap all the benefits B12 is known for over a prolonged period of time.