The short answer is no, but it’s essential to understand that diet plays a major role in achieving a healthy physique. The long answer is that supplements can help with specific health concerns, like ensuring you’re getting enough calcium or omega-3 fatty acids, but they aren’t required for good health. On the other hand, many people fall short on their diets and suffer from malnutrition-related problems like osteoporosis and hair loss which are exacerbated by not consuming adequate nutrients in your food. In these cases, supplements can be helpful for maintaining healthy bones and skin.