Ester-C Plus is a patented formula (bioflavonoids, acerola, rosehip, and rutin) that is gentler on the stomach than traditional forms of vitamin C. Therefore, it does not usually cause irritation, making this product a good option for everyone. Additionally, Ester-C Plus stays in immune cells longer than normal vitamin C, better reinforcing the immune system. Vitamin C is a water-soluble vitamin that helps fight free radicals and maintain a healthy immune system. Ester-C Plus is a supplement that reduces tiredness and fatigue, and promotes good skin, bone, and teeth health. It also strengthens the immune system and has antioxidant properties. Instructions for use: It is recommended to take 1 capsule per day preferably with meals or as directed by a specialist. Ingredients: Vitamin C (calcium L-ascorbate, Ester C), Citrus bioflavonoids complex, Powdered extract of acerola fruit (Malpighia glabra) (4:1), Powdered rosehip (Rosa canina), Rutin. Anti-caking agents: vegetable magnesium stearate, silicon dioxide; Vegetable capsule: hydroxypropylmethylcellulose.