Jamieson Timed Release Vitamin B12 1,200 mcg assists in the metabolism of carbohydrates and fats for energy production. It supports a healthy cardiovascular system, blood cells and tissues. This product assists in the synthesis of essential fatty acids for maintaining myelin and it plays an important role in healthy function of the immune and central nervous systems. Jamieson Timed Release Vitamin B12 1,200 mcg contains a high-quality source of Vitamin B12 that is processed without heat or solvents to ensure the integrity and effectiveness of this important nutrient. The special time-diffused tablets provide gradual release of Vitamin B12 over six to eight hours. Product colour may vary due to natural changes in the colour of raw materials.