This question is about Nutrition
According to scientific studies, you should take between 2.5 and 15 g of collagen/day, as this dosage appears to be safe and effective [ 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