Case Study: Taking Collagen Every Day - A 6-Month Practical Trial and Guide

https://www.apu-bookmarks.win/lose-the-soft-look-a-practical-8-week-tutorial-to-cut-fat-curb-cravings-and-keep-muscle

How a 42-Year-Old Designer Tested Daily Collagen for Skin, Joints, and Energy You are the person in this case study: busy, middle-aged, curious about supplements, and cautious about claims