Vitamins play a crucial role in maintaining overall health by supporting various bodily functions. They are essential for processes like energy production, immune function, and skin health. For instance, vitamin C boosts the immune system while vitamin D supports bone health and muscle function. B vitamins are vital for energy metabolism and cognitive function. A balanced diet rich in fruits, vegetables, whole grains, and lean proteins can help ensure adequate vitamin intake, contributing to overall vitality and well-being.