In men, 90% of blood testosterone comes from the testes and it reflects the function of interstitial cells. Reduced blood testosterone is most often seen in men with Turner syndrome, mesenchymal cell dysplasia, and azoospermia. Reduced testosterone concentration causes hypogonadism in men, primary testicular hypoplasia infantile, hyperprolactinemia, hypopituitarism, systemic lupus erythematosus, hypothyroidism, osteoporosis, cryptorchidism, gynecomastia, etc. Lower testosterone levels can be seen. If testosterone is low you can eat the following foods: 1. Animal offal. Contains more cholesterol, which is an important formula for the synthesis of sex hormones. 2, food containing zinc. Zinc is an indispensable trace element in the human body, it has an important role in the maintenance of the normal structure and function of the male reproductive system. The highest amount of zinc in the food first oyster meat, other such as beef, milk, chicken, chicken liver, egg yolk, shellfish, peanuts, cereals, beans, potatoes, vegetables, brown sugar contain a certain amount of zinc. 3, food containing arginine. Arginine is a necessary component of sperm formation, often eat foods rich in arginine to help replenish the kidneys and benefit the essence. Such foods have sticky and slippery characteristics such as eel, catfish, loach, sea cucumber, cuttlefish, octopus, silkworm pupae, chicken, frozen tofu, nori, peas, etc. 4, food containing calcium. Calcium ions can stimulate the maturation of sperm. Calcium-rich foods are shrimp, salted eggs, egg yolk, dairy products, soybeans, kelp, sesame paste, etc. 5, foods rich in vitamins. Vitamin A, vitamin E and vitamin C all help to delay aging and avoid sexual decline, they are mostly found in fresh vegetables and fruits.