Sodium ascorbate is one of many mineral salts of ascorbic acid (vitamin C). The molecular formula of this compound is C6H7NaO6. As the sodium salt of ascorbic acid, it is known as mineral ascorbate. It has not been shown to be more bioavailable than any other form of vitamin C supplementation. [2]So

As a powerful antioxidant and whitening agent, ascorbyl tetraisopalmitate has anti-acne and anti-aging capabilities. It is an effective oil-soluble vitamin C ester. Like other forms of vitamin C, it helps prevent cell aging by inhibiting collagen cross-linking, protein oxidation and lipid peroxidation.