One major adverse effect caused by reactive oxygen species (ROS) during heavy exercise is myoblastic toxicity. Natural antioxidants, however, may provide protection for athletes.
A study investigated the antioxidative effect of whey protein against hydrogen peroxide toxicity. Whey protein prevented a decrease in cell viability, and also inhibited markers associated with DNA oxidative damage.
According to the study, as reported by Green Med Info:
"These findings suggest that whey protein improved the antioxidant capacity against acute oxidative stress through multiple pathways and this protein may serve as an alternative source of antioxidants for prevention of athletic injuries caused by ROS."
This is important, as regular exercise is a must for building muscle and achieving optimal health. For instance, a recent study found that the greater your total muscle mass, the lower your risk of having insulin resistance, the major precursor of type 2 diabetes. Insulin resistance can raise blood glucose levels above the normal range and is therefore a major factor that contributes to the development of diabetes.
Researchers examined the association of skeletal muscle mass with insulin resistance and blood glucose metabolism disorders in more than 13,500 people.
According to Newswise:
"The study demonstrated that higher muscle mass (relative to body size) is associated with better insulin sensitivity and lower risk of pre- or overt diabetes."