Technically speaking, our natural collagen production starts declining in our mid-20s. People take these supplements to replenish it.
What makes collagen peptides unique is their specific amino acid profile. They contain exceptionally high levels of glycine, proline, and hydroxyproline—amino acids that are very difficult to get in sufficient amounts from a modern diet. These peptides don’t just act as building blocks; they actually act as signaling molecules that stimulate the body’s own fibroblasts to synthesize new collagen.
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