Question

why we can consume citric acid even it is acid​

Answer 1

First, the good news: There are benefits to consuming foods that contain naturally occurring citric acid (from, say, lemon or lime juice) because it acts as an antioxidant, meaning it protects the body from damaging free radicals. Eating ample antioxidants helps with everything from heart health to cancer prevention.

Answer 2

All the acids that we get from fruits are organic acids that’s why we can use them