Which vitamin is essential for collagen synthesis?

Vitamin C plays a critical role in collagen synthesis, a vital structural protein found in connective tissues, skin, tendons, and ligaments. This vitamin is necessary for the hydroxylation of proline and lysine residues in collagen, which stabilizes the collagen molecule and contributes to its strength and integrity. Without adequate Vitamin C, the body cannot effectively produce collagen, which can lead to health issues such as scurvy, characterized by symptoms like weak connective tissues, bleeding gums, and poor wound healing.

The other vitamins mentioned do have important functions in the body, but they do not specifically participate in collagen synthesis in the same way as Vitamin C. For instance, Vitamin A is essential for vision and immune function, Vitamin B6 is important for amino acid metabolism and neurotransmitter synthesis, and Vitamin D primarily helps regulate calcium and phosphorus for bone health. While these vitamins are crucial for overall health, their roles do not directly involve the synthesis of collagen.