Artesania Vitamin C 500mg. Ester-C 60 Capsules is a vitamin C supplement containing 500mg of Ester-C per capsule. Vitamin C is an antioxidant that helps strengthen the immune system, promote healthy skin, and improve iron absorption. This product is used to increase vitamin C levels in the body and support overall health. Instructions for use The recommended use for this product is to take one capsule per day, preferably with a meal. It is recommended to follow the manufacturers instructions and consult a healthcare professional before starting any supplement. ingredients The main active ingredient in this product is vitamin C.