The Vivo Life Vitamin B12 Blend contains the three most active forms of vitamin B12: Methylcobalamin, Hydroxocobalamin and Adenosylcobalamin. This ensures optimal absorption and supports a range of physical and psychological functions in the body. Vivo Life Vitamin B12 Blend is in liquid form so it bypasses the digestive system and is absorbed rapidly into the bloodstream for maximum efficacy. The daily intake widely recommended by leading nutritionists is between 250mcg and 500mcg per day. B12 BENEFITS ENERGISE - Vitamin B12 contributes to healthy energy levels and the reduction of tiredness and fatigue IMMUNE SUPPORT - Vitamin B12 supports a healthy immune system BRAIN HEALTH - Vitamin B12 contributes to healthy brain function NERVOUS SYSTEM - Vitamin B12 supports a healthy nervous system PACKAGING Vivo Life have now switched to home compostable packaging and you will see this logo on all of the bags! This is an amazing step for the company to take and it's why I'm super happy to be stocking it!