Premium White Truffles carefully extracted from Piedmont, Italy, infused with Tocopherol(vitamin E) make d'Alba's signature ingredient Trufferol. Full of antioxidants, white truffles are 6 times more effective than well-known propolis *source: Phenolic Flavonoids Profile and Antioxidant Ability, and Effects on Cell Oxidative Stress of White Truffle (Tuber magnatum) and White Truffle Composition *condition: Comparison of total phenol content by distilled water fraction.