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How much collagen per day?

This question is about Nutrition
Sarah Achleithner
Studies have found that 2.5 to 15 g of collagen per day appears to be safe and effective [1]. Collagen is available in powder, liquid, and supplement form, so it’s recommended to take the amount specified on the packaging.
Collagen spelled on wooden tiles


  1. Paul, C., Leser, S., & Oesser, S. (2019). Significant Amounts of Functional Collagen Peptides Can Be Incorporated in the Diet While Maintaining Indispensable Amino Acid Balance. Nutrients, 11(5), 1079. https://doi.org/10.3390/nu11051079