Natural testosterone boosters are blends of vitamins, minerals, amino acids and various other compounds that are said to work together to raise testosterone. Unlike synthetic anabolic steroids, testosterone boosters do not imitate the effects of testosterone in the body. Instead, these natural products are designed to give the body the nutrients it needs to produce healthy levels of testosterone. This in turn is said to help users build more muscle, become stronger, improve mood, aid weight loss, improve sex drive, maintain bone density and even improve their life expectancy. There is some crossover between natural testosterone boosters and natural anabolics, as both types of product tend to use similar ingredients.