Simple green vegies, L- arginine, Macca root powder, mushrooms, turmeric and ginger among others are all great for the male reproductive system. Matcha tea is a great way to control stress and ashwaganha can raise testosterone levels and helps with workouts. try to keep cortisol levels low and sleep enough. Forget about salt, sugar, soy, corn, milk, alcohol and processed food. Especially preservatives like Tertiary butylhydroquinone (TBHQ) and aspartame. But don't worry, it is not a sign of health issues necessarily