Immune Support High in vitamin D which helps support the normal function of the immune system Protein - contributes to the growth and maintenance of muscle mass and maintenance of normal bones. Magnesium - contributes to normal energy-yielding metabolism and contributes to the reduction of tiredness and fatigue. Vitamin D - contributes to the normal absorption of calcium and to the maintenance of normal bones and teeth. Omega 3 (ALA)* - contributes to the maintenance of normal blood cholesterol levels. *The beneficial effect is obtained with a daily intake of 2g ALA.