Biphasic formula recommended for periods of intensive or prolonged strength training, or when fatigued and suffering from decreased physical performance. LevroTest AM Formula is a daily preparation containing herb extracts (rhodiola, polygonum), D-aspartic acid, folic acid and vitamins D, B6 and B12. Vitamin D, B12 and folic acid contribute to the normal function of the immune system. Vitamin B6 and B12 contribute to the reduction of tiredness and fatigue. LevroTest PM formula is a product designed for use before bedtime, based on extracts of tribulus and fenugreek enhanced with zinc, magnesium and vitamin B6. Zinc contributes to the maintenance of normal testosterone levels in the blood. Vitamin B6 contributes to the regulation of hormone activity. Magnesium contributes to normal energy-yielding metabolism.