PhytO2X® SystemSince 1947StandardizedFull Potency(Camellia Sinensis)Herbal SupplementSuitable for VegetariansGluten, Wheat & Dairy FreeKosher ParveSolgar®'s Standardized • Full Potency™ (SFP) Herbs are developed through a unique process that integrates the ideologies of both traditional herbalism and standardized herbal technology. To ensure consistent and reliable phytonutrient levels, we isolate a controlled amount of these important active compounds. Then, we blend these enhanced, "standardized" compounds with all of the components that occur naturally in the whole herb. The result is a potent, premium-quality standardized herbal extract with all of the synergistic and beneficial qualities found in nature.