B12 (Methylcobalamin) – Is a water-soluble vitamin that is needed to convert carbohydrates into glucose, thus leading to energy production and a decrease in fatigue and lethargy. Assists in healthy regulation of the nervous system, reducing depression, stress, and brain shrinkage. It helps maintain a healthy digestive system. Vitamin B12 also protects against heart disease by curbing and improving unhealthy cholesterol levels, protecting against stroke, and high blood pressure. It is essential for healthy skin, hair, and nails. It helps in cell reproduction and constant renewal of the skin.