liposomal glutathione oral bioavailability study 2000mg with Vitamin C, Glutathione Liquid, Antioxidant Supplement for Detox, Superior Absorption, Higher Dosage (Pack of 1) : Health & Household Customer reviews for Research Labs
Description
Association between serum and urine biomarkers and lumbar spine individual radiographic features: the Johnston County Osteoarthritis Project

Antioxidants, 10 (6), 967

This method is commonly used for vaccines, antibiotics, hormone therapies, and other medications that require rapid or sustained absorption and are not suitable for oral delivery

Technically yes, but we do not recommend it
