Considering collagen is just a regular protein shouldnt it be digested into amino acids before being absorbed and have no medical/cosmetic effect beyond being a source of protein just like eating a steak or an egg?
In: Biology
Steak, eggs, and pure collagen have different amino acids. Protein isn’t just protein. Collagen specifically has a ton of glycine and proline.
You can get enough glycine and proline from just eating, namely skin, connective tissue, bones. And if you eat enough red meat or eggs your body can make do. But if you have limited intake of meat and connective tissue (i.e. vegan/vegetarian) you can just take collagen supplements.
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