No. But if you exercise daily and eat carbohydrates, meat and vegetables you will build muscles.
As much as Protein.
Yes, it does. Basically you cannot build muscles without protein.
Skipping will help your thighs and lower leg muscles. It can also help strengthen the bones.
To help you build rippling pectorals. (To build muscles.)
No.
Yes, potatoes provide your body with the carbs it needs to fuel your muscles.
The body needs carbohydrates as a source of energy. Carbohydrates are converted into glucose, which is a form of sugar, the body uses to support the function of the muscles and brain.
If you mean harder as in muscles, protein and complex carbohydrates usually help build muscle but exercise is the most important. If you mean harder as in an erect penis, there is no food that will help that. General good health is the only thing that can aid in an erection.
Athletic teens may eat extra helpings of complex carbohydrates, such as whole grain rice, pasta, bread, and cereal. Some extra protein is good to help build strong muscles
carbohydrates
carbohydrates
dairy products have vitamin k vitamin c and vitamin d that help you grow and it has protein which is what you need to help you lose weight and build your muscles!!!! :D