Nature Made Sublingual B-12 Dietary Supplement Cherry Flavor Micro-Lozenges, 3000mcg helps in maintaining your energy level to help you feel your best. Along with other B vitamins, vitamin B-12 is vital for energy production. Vitamin B-12 is also important for red blood cell formation, proper nervous system function and for maintaining a healthy homocysteine level, which is important for cardiovascular health. Vitamin B-12 supplements are recommended for people 50 and over, many of whom are deficient due to decreased ability to absorb this nutrient, and for vegetarians and vegans who avoid dietary sources rich in vitamin B-12. A 3000mcg vitamin B-12 supplement will help ensure your B-12 needs are met. Nature Made Vitamin B-12 is made from carefully selected ingredients under strict manufacturing processes.