Vitamins are essential nutrients that support many of the body’s core functions, and each one plays a unique role in maintaining health. Some, like Vitamin A, are known for supporting vision and immune function. Others, such as Vitamin B12, help with red blood cell production and neurological health. Vitamin C is commonly associated with immune support and wound healing, while Vitamin D contributes to bone strength and muscle health. The ways we get these vitamins vary—some are mainly consumed through food, while others may also be produced or activated in the body under certain conditions. Understanding how different vitamins work, and where they come from, helps individuals make smarter nutritional decisions. Whether through diet, supplementation, or lifestyle habits, maintaining proper vitamin intake is one of the simplest and most powerful steps you can take to support long-term wellness.