You can take vitamin C as ascorbic acid alone in a glass of water (1 tsp of ascorbic acid crystals is 4 grams or 4,000 milligrams). You can take liposomal vitamin c you purchase, you can make your own liposomal vitamin c (see Youtube.com) and you can get a qualified doctor to give you sodium or magnesium or potassium ascrobate intravenously.