As a nutritional supplement. Combining the essential mineral zinc with additional benefits of vitamin C. 

Dosage
Adult: One tablet daily or as professionally recommended.

Children (6-12 yrs): One tablet every other day with food or as professionally recommended.

Suitable for vegetarians

This formula combines Vitamin C & Zinc. Vitamin C is easily destroyed by oxygen. Do not open and close the packaging bottle too frequently. If a large pack size is purchased, always dispense tablets for a month's usage into a smaller bottle and cap them tightly after use.

Why do apples discolour with time upon cutting? It discolours for the same reason which is oxidation in the presence of oxygen.