glutathione contain food Foods to Raise Glutathione Levels – LivOn Labs 5 Natural Ways to Increase

IV therapy is often more effective for those with deficiencies because it ensures the nutrients reach the cells immediately without being broken down by stomach acid or limited by intestinal absorption

Reference: Hsieh et al., 2017 (VEGFR2AkteNOS signalling involvement) VEGFR2 activation triggers: VEGF binding VEGFR2 autophosphorylation (turns on VEGFR2) which leads to PI3K activation which leads to Akt phosphorylation Akt (Protein Kinase B) is critical because it phosphorylates (turns on) eNOS which leads to Nitric oxide synthesis more nitric oxide

(PubMed) Watkins D, Rosenblatt DS

Seems like speculation to me because, you know, people move around all the time