naringin can help to fight retinal disease linked to diabetics. it is synergistic with many other supplements,Naringin belongs to the group of flavonoids,Pure naringin is a yellowish powder.The structure of naringin is very similar to that of hesperidin. It is in the fields of pharmaceutical, food, health products and cosmetic, etc. And it is a nontoxic,lower energy,higher saccharinity and new edulcorator.