Energy Zen is a concentrate B-12 in bioavailable liquid form. Vitamin B-12 is an essential vitamin that studies show over 50% are deficient below the “normal” ranges. Beyond that, almost everyone is below the OPTIMAL range which is where true health really thrives. Since B-12 is essential, it means it is required by the human body to function. Vitamin B-12 Plays an important role in our brain function, immune system, skin and hair health, and the aging process. It is used in regimens created to aid with high cholesterol, IBS, sleep disorders, inflammation and more. Our B-vitamin drops are a convenient way to supplement daily Vitamin B-12 levels and absorb quickly into the system being that they are in liquid form. Vitamin B-12 is an essential addition so general health and wellness lines, and is especially important for those following a vegan or vegetarian diet.