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. Omega 3 (ALA)* - Contributes to the maintenance of normal blood cholesterol levels. *The beneficial effect is obtained with a daily intake of 2g ALA. Manganese - Contributes to the maintenance of normal bones and protection of cells from oxidative stress.