Dec 1, 2025 · Collagen is a protein needed for bone and skin health. Possible side effects of collagen include stomach upset, allergic reactions, and a rare skin reaction.

Side effects of collagen include skin rashes and kidney, liver, stomach, and heart problems. Collagen is a structural protein. Collagen is the protein that primarily makes up your skin, bones, and tendons. …

Sep 15, 2025 · The side effects of collagen supplements may include heaviness in the stomach, mild diarrhea, or skin rashes. However, many people take collagen without experiencing any adverse …

Dec 6, 2023 · Should you add collagen supplements to your skin care routine? Though popular with influencers and celebrities, there’s little research to back up claims that they work.

Oct 28, 2025 · As people grow older, their collagen becomes fragmented, fibroblast function becomes impaired, and collagen production slows. These changes, along with the loss of another key structural...

While collagen supplements are generally considered safe, some users report mild side effects. Digestive discomfort, such as bloating, diarrhea, or a feeling of fullness, is one of the most common …

Side effects are rare. Pregnancy and breast-feeding: There isn't enough reliable information to know if collagen peptides are safe to use when pregnant or breast-feeding. Stay on the safe...

Jul 20, 2025 · That’s when signs of aging—like wrinkles, sagging skin, and joint pain—start to appear. Other factors like smoking, sun exposure, and poor diet can accelerate collagen breakdown as well. …

Another not-so-common, but reported side effect is changes in skin. This could range from a mild rash to the onset of acne. It’s important to monitor skin changes and seek medical advice if a change is …

Feb 2, 2022 · For the most part, collagen supplements are considered safe to consume without any serious side effects, says Dr. Stacy Chimento, M.D., a board-certified dermatologist at Riverchase...