Chiết Xuất Lý Chua Đen được sản xuất bằng ethanol/water extraction, purification and spray drying of Ribes nigrum fruit, tiêu chuẩn hóa theo anthocyanins (typically 25–35%).
Sản phẩm cung cấp 4 primary anthocyanins (cyanidin-3-glucoside/rutinoside, delphinidin-3-glucoside/rutinoside) that support microcirculation, eye health, antioxidant activity, and immune function, used in eye-health and antioxidant supplements.