Complex sentence: Despite its unusual chemistry, ergothioneine does still have antioxidant properties, and is a good scavenger of hydroxyl radicals and hypochlorous acid, and can inhibit the production of oxidants by metal ions.
Split into simpler sentences: Despite its unusual chemistry, ergothioneine does still have antioxidant properties. It is a good scavenger of hydroxyl radicals and hypochlorous acid, and can inhibit the production of oxidants by metal ions.