- Highest concentration of grapefruit seed extract
- Made without Gluten and GMOs
- pH of about 2.2
NutriBiotic® Maximum GSE Liquid Concentrate provides the highest concentration of grapefruit seed extract available. Contains Citricidal (60% grapefruit seed extract and 40% vegetable glycerin), a compound derived from the seed and pulp of grapefruit. The grapefruit bioflavonoids (polyphenolics) are converted into an extremely potent compound.