There is no more need to swallow large pills or take shots for your daily nutrients when you have this Nature Made Vitamin B12 Dietary Supplement. They are essential for energy production and a healthy nervous system. Boost your metabolism while also releasing energy from fats and carbohydrates in your diet. These Vitamin B-12 supplements, 1000 mcg, 75-count, help keep nerves and red blood cells healthy for a more productive you.