# Difference Between Betaine & Zwitterion?

what is difference btw Betaine & Zwitterion, Both having positive and negative charge in a molecule.

How to categorize Zwitterion and Betaine? or both are same.

• @N.ALodhi The cation in the given betaine is bonded to three $\ce{Ph}$ (phenyl) groups, which means no hydrogen atom. – DHMO Sep 8 '16 at 16:18