alsuntangled glutathione S-Acetyl L-Glutathione 100 mg, 60 Tablets Codeage - Amen Glutathione -
Description
Thats changed, he says

It appears to have the most powerful effect on gut health when taken orally, whereas subcutaneous injections are better for reducing systemic inflammation and aiding with tissue repair

doi: 10.1111/j.1365-2265.2012.04349.x 197 VroonenLLancellottiPGarciaMTDulgheruRAlmanzaMMaigaIet al

Vascular adaptation

Please note: If reactions at the injection site are severe, persistent, or accompanied by signs of infection (e.g., pus, increasing warmth, or fever), consult your healthcare provider immediately

G., Luyendyk J