Liposomal vitamin C, which is enfolded within a lipid bilayer, produced a greater blood plasma concentration of vitamin C than plain unencapsulated vitamin C in humans. Intravenous vitamin C was far superior to oral vitamin C however.
Plasma vitamin C in milligrams per deciliter of plasma
Following administration of 4 grams (4000 mg) vitamin C
|1 hour||3 hours|
|Oral vitamin C||1.6||2.2|
|Oral liposomal vitamin C||2.2||3.4|
|Intravenous vitamin C||27.0||10.0|
Source: Nutrition & Metabolic Insights June 2016