3 – Sweet Potatoes
Sweet potatoes are low in protein, but contain a large amount of low-glycemic carbohydrates, which are perfect for guys who are working out for mass.
The low glycemic index of sweet potatoes provides a long and gradual release of energy and a controlled response to insulin, preventing fat accumulation.
Proteins are vital for muscle mass gain. However, for the body to use the protein for muscle tissue rebuilding, you also need the correct intake of carbohydrates.
In a 100-gram sweet potato you will find 30g of the highest quality carbohydrates. Sweet potatoes are also rich in vitamin A, which acts as an antioxidant and is important for the maintenance of bone, epithelial tissue, reproductive, and immune systems.
