SISU Ester C Chews 500 mg (Wildberry - 90 chews)a factor in the maintenance of good health helps in wound healing helps in the normal development and maintenance of bones, cartilage, teeth and gums. Description SISU Ester C Chews 500 mg 90s Chewable(s) NPN: 80003049 Vitamin C is a water soluble antioxidant and one of the best researched nutrients. Most mammals can produce vitamin C as they need it but the human system evolved without this ability so we must ensure an adequate daily intake to stay