State, after all, food must have quality assurance, and it is made of nanotechnology, which is easier to be absorbed and utilized by the human body and will not increase the burden on the stomach. America is good.
Zinc and selenium mineral elements can improve the quality, quantity and initiative of male sperm, promote the development of female follicles and increase the probability of pregnancy. Adequate zinc and selenium supplementation by the mother is beneficial to the growth and development of the baby's intelligence and bones.