This is a 4 Product Stack by Sci-fit. This stack is targeted for men ages 30 and over. Chromium Picolinate by Sci FitAs our metabolism slows our body can use the help of a chromium product.Chromium appears to be directly involved in carbohydrate, fat, and protein metabolismPeople do not ingest enough Chromium in their diets based on large-scale nutritional surveys.Chromium Picolinate by Sci-Fit aids in the absorbtion of Chromium and is used to help reduce body fat, increase muscle mass and boost energy levelsES3 by Sci-FitAs men age the estrogen level in their body rises. The result is a testosterone/estrogen imbalance that directly causes many of the debilitating health problems associated with normal aging.Balanced levels of estrogen in men are essential to encourage a healthy libido, improved brain function, protect the heart and to strengthen the bones. ES3 by Sci-Fit enhances your metabolism while decrease the amount of "bad" estrogens in the body. Vanadyl Sulfate by Sci-FitHigh blood glucose levels (called hyperglycemia) over time can damage the lining of your arteries, accelerate atherosclerosis and contribute to kidney failure, blindness and even loss of limbs. Vanadyl by Sci-Fit helps maintain a Healthy Blood Sugar Level,it helps growth and repairs tissues.L-Carnitine by Sci-FitL-Carnitine forms the transport system that moves the fatty acid molecules into the mitochondria of the cell where they are burned for fuel. The burning of fats provide about 50% of the energy during aerobic exercise. L-Carnitine may increase fertility of men.There is some evidence that Acetyl L-Carnitine may have anti-aging effects.L-Carnitine also helps supply the brain with energy.