1, honey. Honey, known as the medicine of nature, is rich in mineral boron, which can raise the level of testosterone in the body. Honey also contains nitric oxide, which can promote vasodilation and increase the hardness of erection.

2. Oatmeal. Oatmeal is full of calories, rich in zinc and L-arginine, and rich in vitamin B, which is beneficial to improving performance.

3. Citrus fruits. In addition to reducing the level of stress hormone cortisol, citrus fruits contain vitamin A. Vitamin A is indispensable for the production of testosterone, and it can reduce the level of estrogen, so that androgen can play a better role.

4. Wild salmon. Wild salmon is rich in magnesium, vitamin B and omega-3 fatty acids, which are necessary for testosterone production, and researchers at Graz Medical University in Austria found that wild salmon can reduce the level of sex hormone binding globulin. Sex hormone binding globulin is a substance that inhibits testosterone from acting.

5. Tuna. Researchers at the Graz Medical University in Austria found that vitamin D has a very obvious effect on raising testosterone levels. Vitamin D is very important to maintain the quality and quantity of sperm. If the sun is not enough, tuna and eggs should be added to the diet.

People's Network-Medicine is better than food! 18 kinds of food that men must eat after 35 years old.