Liposomal Vitamin C. 5fl ozEmpirical Labs has mastered liposomal technology using natural Phosphatidylcholine liposomes as a delivery method for Vitamin C. Empirical Labs believes that each and every component of their products must be as health building as possible. Current literature has shown that hydrogenated liposomes strongly increase LDL (bad) cholesterol levels while natural non hydrogenated phosphatidylcholine was shown not to alter cholesterol levels in primates.