Collagenmuaj 95% cov protein, thiab nws suav hais tias yog ib hom khoom noj muaj protein ntau tshiab. Nws yog qhov tseem ceeb rau kev khaws cia daim tawv nqaij hluas thiab ua lub luag haujlwm tseem ceeb hauv kev tswj hwm daim tawv nqaij elasticity.
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