PubMed Fletcher, M.M., Halls, M.L., Zhao, P., Clydesdale, L., Christopoulos, A., Sexton, P.M., & Wootten, D
For a non-dietary cause, maintenance is usually one injection every two to three months for life
Whats Normal vs Whats Not Usually normal and temporary: Mild headaches Injection site irritation Short-term fatigue Minor water retention May require dose adjustment: Ongoing headaches Persistent swelling Repeated nausea Noticeable appetite changes Should be discussed promptly with a provider: Side effects lasting longer than two weeks Symptoms that worsen over time Anything that interferes with daily activities Who Is More Likely to Experience Side Effects
In this regard, systematic reviews suggest that oral collagen can contribute to reducing or delaying skin aging [82,83,84] and expanding its applications to meet the evolving dermatological challenges [85]