From time to time, we hear a new promise about a miraculous supplement for skin and hair – this time it’s gelatin: A simple and cheap powder that suddenly became an “anti-aging star.” Some take it in ...

I have an on/off relationship with gelatin as is, but human-derived gelatin? Ugh, someone pass me the agar-agar, please. Scientists are exploring this closer-to-home substitute to rule out possible ...