... calories, and contains bioflavonoids and other plant chemicals that are known to protect against cancer & heart disease. We have a GMP ... ,UV,GC,AA etc. Action: 1.Grapefruit Seed Extract are well known as an anti-fungal agent in that their consumption kills ... -protozoan, antiviral, antiseptic and disinfectant. 3.Grapefruit Seed Extract,Primary known constituents include numerous polyphenolic compounds.