3000 mg glutathione iv oral bioavailability Glutathione 600mg + Vit C 3000mg Glutathione Intramuscular Shot | ELIXR
Description
Its active ingredients are obtained through the bio-fermentation process and from 100% natural (not synthetic, that is made in a laboratory) sources

Most of the cases described the administration of 5 g of V-B12 over 15 min

Hoirisch-Clapauch S, Nardi AE

A prescription nasal gel also exists, with bioavailability around 2% at a 1,000 mcg dose, similar to oral
