Function: Energy metabolism and nervous system Ingredients: Vitamin B12 Directions: Take one capsule daily Shipping: Ships within 48 hours on weekdays Shelf life: 2 years Energy, Heart & Nerves: As a water-soluble vitamin, B12 requires daily replenishment. Taking Methyl B12 regularly is essential to maintain your stores and ensure they are never insufficient. Maintaining adequate intake of vegetarian B12 helps support energy metabolism, DNA formation, red blood cell production, and nerve and heart function by removing the toxin homocysteine, promoting the synthesis of folate, and helping maintain myelin. Our maximum strength 5,000 mcg of bioactive Methyl B12 (Methylcobalamin) is absorbed by your body as soon as it begins to dissolve in your mouth.