Phyto2X System Since 1947 Standardized - Fully Potency (Utrica Dioica) Herbal Supplement Suitable for Vegans Gluten, Wheat & Dairy Free Non-GMO K-Parve Solgar Standardized Full Potency (SFP) Herbs are developed through a unique process that integrates the ideologies of both traditional herablism and standardized herbal technology. To ensure consistent and reliable phytonutrient levels, we isolate a controlled amount of these important active plant 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 quality found in nature.