As the pace of life is getting faster and faster, the majority of male friends begin to feel powerless in many aspects. Sperm is very important to men. It is not only an indispensable factor for bearing offspring, but also one of the factors to maintain the stability of husband and wife's life. So what can men eat to keep fit? Here are four kinds of foods that make men strong.

1. Nuts: Nuts can store the secretion of male sex hormones and make them regular. Walnut and jujube, in particular, have the functions of tonifying kidney, enriching blood, benefiting stomach and moistening lung.

2. Mulberry: Mulberry is a kind of food for tonifying kidney and nourishing yin, which is very suitable for male friends. Soaking in water is good.

3. Kelp: The unsaturated fatty acids contained in kelp can just block the damage of male daily smoking to sperm and enhance male immunity.

4. Oyster: A kind of seafood, which contains zinc, helps to synthesize male hormones and maintain the normal operation of the prostate. Eating raw is the best way to keep zinc in oysters. Others such as lobster, sea urchin, sea cucumber, fish eggs, shrimp eggs, shellfish and seaweed are also good.

5. Yam: Yam tablets contain lysine, which is an essential component of sperm formation, so eating yam is excellent for men.

In addition to eating the above five kinds of food, we should also pay attention to exercise and do more outdoor sports.