American Academy of Orthopaedic Surgeons, OrthoInfo: “Articular Cartilage Restoration.”
Arthritis Foundation: “Are Collagen Supplements Helpful for Arthritis?”
Experimental and Therapeutic Medicine: “Beneficial effects of food supplements based on hydrolyzed collagen for skin care (Review).”
Grandview Research: “Collagen Market Growth & Trends.”
Harvard Medical School: “Do retinoids really reduce wrinkles?”
Molecular Cell Biology: “Collagen: The Fibrous Proteins of the Matrix.”
Nancy E. Lane, MD, distinguished professor of medication, rheumatology, and getting old, University of California, Davis.
Nazanin Saedi, MD, affiliate professor; director, Jefferson Laser Surgery and Cosmetic Dermatology Center.
Nutrients: “A Collagen Supplement Improves Skin Hydration, Elasticity, Roughness, and Density: Results of a Randomized, Placebo-Controlled, Blind Study.”
Penn Medicine: “4 Head-to-Toe Ways That Collagen Can Improve Your Health.”
Rheumatology and Therapy: “Role of Collagen Derivatives in Osteoarthritis and Cartilage Repair: A Systematic Scoping Review With Evidence Mapping.”
Versus Arthritis: “Collagen.”