The second is nuts, such as pine nuts, almonds, walnuts, etc.
Third, foods containing vitamin E, the lack of vitamin E in men will lead to a decrease in sex hormone secretion, which will lead to loss of sexual ability;
The above three foods only play an auxiliary role. The most important thing is to take Boqi Jian, which will change in a week or so. Sticking to it for a period of time can make the blood vessels fully expand and the cavernous body fully erect, thus improving endurance.