In your body, creatine is normally made in your liver, kidneys, and pancreas from parts of the amino acids glycine, arginine, and methionine.

在你的体内，肌酸通常是由你的肝脏、肾脏和胰腺中的氨基酸甘氨酸、精氨酸和蛋氨酸组成的。

To start, collagen, comprised mainly of the amino acids glycine and proline, is one of the most abundant protein in our bodies, allocating roughly 25% of our total protein mass.

首先，胶原蛋白主要由甘氨酸和脯氨酸组成，这是我们体内最丰富的蛋白质之一，占我们总蛋白质总量的25%。