Those afflicted often experience gastrointestinal symptoms like stomach pain, bloating, constipation, gas and diarrhea. But ...

The GP took to Instagram to reveal the symptoms that are a sign of something more, the ones you should see a doctor about if ...

As with any supplement, collagen comes with some potential side effects, such as skin rashes and, in rare cases, liver problems. [1] While collagen is generally safe, talk to your healthcare team ...