Our Vitamin B12 supports your metabolism by helping it convert fats, carbs, and proteins into energy much more efficiently. More than a memory enhancer, our Vitamin B12 helps improve energy, support a strong nervous system, and even boost your body's metabolic function. Vitamin D3 supplements are also known to help keep aspects of your immune system functioning well, which is your body's first line of defense. Vitamin D Supplement is also important because it helps your body absorb calcium, a mineral essential for healthy bones and teeth. It's even been shown to maintain healthy muscle function. 2500 IU of Vitamin D3 per serving helps you maintain healthy levels of this essential vitamin during periods of reduced sun exposure. Vitamin B-12, along with Folic Acid is critical for the conversion of homocysteine to methionine, thereby supporting a healthy cardiovascular system.