Source Naturals Ascorbyl Palmitate -- 8 oz

What the brand says

Ascorbyl palmitate is a fat-soluble form of ascorbic acid that exerts the antioxidant activity characteristic of vitamin C on lipids throughout the body. In vitro studies have shown that ascorbyl palmitate may be more effective as an antioxidant in protecting lipids from peroxidation than water-soluble vitamin C.