Vitamin B12 Liquid Drops Our Vitamin B12 liquid drops are the perfect supplement for natural energy, mood, and improving memory. * FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 Liquid Drops formulation is a natural energy, mood, and memory booster - and supports healthy metabolism, immunity and nervous system functioning. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being. * HIGHEST POTENCY: While most B12 supplements contain 1000mcg to 3000mcg per serving, we give you the same number of servings per bottle at 5000mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.