Vitamin - C.

Muscle Gears Vitamin C is an essential vitamin, meaning your body can’t produce it. Yet, it has many roles and has been linked to impressive health benefits.
It’s water-soluble and found in many fruits and vegetables, including oranges, strawberries, kiwi fruit, bell peppers, broccoli, kale, and spinach
While it’s commonly advised to get your vitamin C intake from foods, many people turn to supplements to meet their needs.