ABSTRACT Red blood has the role of carrying oxygen, hormones, nutrients, and body metabolism, harumanis mango seeds are wastes that can be used as antimicrobial / antibacterial, antiviral, antifungal and immune modulator because they contain secondary compounds such as tannin, flavonoids, saponins and ascorbic acid. This study aims to find the best dose of the addition of harumanis mango seed …