Nature's Bounty Vitamin B12 1000mcg is a dietary supplement containing 100 tablets. Each tablet provides a high-potency dose of vitamin B12, which supports energy metabolism, nervous system function, and the formation of red blood cells. This supplement comes in tablet form packaged in a dark green bottle to protect the vitamin from light degradation. The 1000mcg dosage is considered high-potency and may be particularly beneficial for vegetarians, vegans, older adults, or those with B12 absorption issues. Vitamin B12 plays an essential role in DNA synthesis, helps maintain healthy nerve cells, and aids in converting food into cellular energy. The bottle contains 100 tablets, providing a substantial supply for regular supplementation. As with any supplement, consult with a healthcare provider before use.