First, eat more fruits and vegetables, especially mushrooms (Lentinus edodes, Volvariella volvacea, Flammulina velutipes), which can increase immunity.

Second, eat more beef, chicken, fish, shrimp and other foods with high protein, natural creatine and rich iron.

Third, the food sources that can provide energy are: eggs (containing vitamins and minerals), milk (maintaining bone health and muscle strength), brown rice (providing sugar as an energy source), sweet potato (containing carbohydrates and a lot of nutrients) and so on.

4. Nuts and seeds-contain healthy antioxidants and protein (including almonds, hazelnuts, pecans, pine nuts, pistachios and walnuts).

Finally, reasonable exercise, adequate sleep and a nutritious diet are also the keys to enhancing strength.