negative side effects of gelatin
For example on WebMD, they list the following side effects for gelatin supplements: 1  Upset stomach. 2  Burping. 3  Bloating. Some people have allergic reactions to gelatin.
There's some evidence that gelatin in doses up to 10 grams daily can be safely used for up to 6 months. Gelatin can cause an unpleasant taste, sensation of heaviness in the stomach, bloating, heartburn, and belching. Gelatin can cause allergic reactions in some people.