Walnuts (Juglans regia) are a nutrient-dense nut known for their numerous health benefits and culinary versatility. Rich in healthy fats, particularly omega-3 fatty acids, walnuts are recognized for their potential to improve heart health by lowering LDL cholesterol levels and reducing inflammation. They are also packed with antioxidants, vitamins, and minerals, making them a powerful addition to a balanced diet. The unique brain-like shape of walnuts has led to their association with cognitive health, as studies suggest that regular consumption may enhance brain function and reduce the risk of neurodegenerative diseases. In addition to their heart and brain benefits, walnuts support gut health by promoting the growth of beneficial bacteria in the microbiome. They can be enjoyed in various forms—raw, roasted, or as walnut oil—and are commonly used in salads, baked goods, and trail mixes. As consumer awareness of healthy eating continues to rise, walnuts have solidified their place as a superfood, making them an essential component of both traditional and modern diets.