Nuts are very diet-friendly and are loaded with a ton of amazing nutrients, healthy fats, and protein. Nuts are one of the best sources of alpha-lenolenic acid, a type of heart-healthy omega-3. Omega-3s offer numerous health benefits from lowering cholesterol to disease prevention. They are also rich in L-arginine, an amino acid that has been shown to boost immune function, promote wound healing, improve blood vessel function, and help manage cardiovascular disease. Additionally, nuts contain soluble fiber and Vitamin E. Fiber helps lower cholesterol and glucose levels while Vitamin E is a powerful antioxidant. Vitamin E is essential for proper immune function, healthy skin, and DNA repair.