As men reach their forties, their testosterone levels begin to slightly decrease. The human body is an amazing machine and by eating an enriched protein diet with monounsaturated fats, the body tends to produce more testosterone and have balanced hormonal levels. Almonds are packed with nutrients which consists of protein, fiber, and minerals like calcium, magnesium, potassium, and vitamin E. Research has indicated that testosterone levels increase with such diets. So men, eat plenty of almonds!