Viridian Ester C Vitamin 950mg offers a high potency, highly absorbable patented form of vitamin C. Ester-C is a neutral pH form of vitamin C, where the vitamin C is buffered to make it gentler on the stomach particularly where larger amounts are consumed. Ester-C is absorbed faster and retained for longer than regular vitamin C, in fact it reaches the cells in more than four times the quantity when compared to regular vitamin C.