コラーゲンプロテインは筋肉増強に役立つか？コラーゲン対ホエイプロテイン

📝 事実確認: This is accurate. ✅ The quality of a protein is often measured by the Protein Digestibility-Corrected Amino Acid Score (PDCAAS) or the Digestible Indispensable Amino Acid Score (DIAAS). Both systems rate collagen as zero. This is because it's an 'incomplete' protein, meaning it lacks one or more of the nine essential amino acids our bodies can't produce. Specifically, collagen has no tryptophan and is low in other key amino acids needed for muscle repair and growth.

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