Sentinel B12 is a dietary supplement containing 500 micrograms of Vitamin B12 per tablet, with 100 tablets per bottle. This essential nutrient supports red blood cell formation, DNA synthesis, and proper nervous system function while helping maintain healthy energy levels. Key features: • 500 mcg of Vitamin B12 per tablet • 100 tablets per bottle • Supports red blood cell formation • Aids nervous system function • Helps maintain energy levels • Dark amber bottle for protection • Sealed safety cap Vitamin B12 supplementation may be particularly beneficial for vegetarians, vegans, older adults, and those with absorption issues. The 500 mcg dosage is a common supplemental amount that can help maintain adequate B12 levels when taken as directed. The supplement comes in an easy-to-swallow tablet form and is packaged in a protective amber bottle to maintain potency. As with any supplement, consult with a healthcare provider before starting use.