Our cells use NAD+ to make sirtuin proteins work to regulate biological pathways and protect cells from age-related decline. 

Choose seven foods that increase testosterone, and avoid four that accelerate its decline as we age. This happens to  both men and women, and potentially leads to several common health problems.

A human study with nine men using three common anti-aging drugs has demonstrated that, not only is it possible to slow down the aging process, it can actually be reversed.

Eat 3 servings of fatty fish or take a high-quality fish or krill oil supplement to maintain adequate omega-3 levels and support cardiovascular, cellular, and cognitive health.