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<br>http://collagen.in/<br>What's collagen? Of all the different types of collagen in our body, collagen types 1, 2, and 3 account for 80% to 90% of the collagen in humans. Because the collagen types are structurally similar, the processes for producing collagen types I, II, and III are in tissues also are similar. Collagen is the glue holding us together...
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