Vitamin B12 is an important nutrient that plays a crucial role in maintaining healthy nerve function, energy production, and mental clarity.* If you're looking to support your energy levels and promote mental clarity, these Extra Strength Vitamin B12 tablets are your perfect daily companion.* Our high-quality formula contains 2500 mcg of vitamin B12 in every tablet, so you can support your nervous system and energy levels.* Trust in NatureWise's commitment to quality, as our Vitamin B12 tablets are non-GMO, gluten-free, and third-party tested for purity. Our product does not contain gluten, wheat, dairy, eggs, soy, milk, peanuts, tree nuts, shellfish, fish or sesame. *Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.