Schmitt B, Vicenzi M, Garrel C, Denis FM (2015) Effects of N-acetylcysteine, oral glutathione (GSH) and a novel sublingual form of GSH on oxidative stress markers: a comparative crossover study
Because nutrients bypass the digestive tract, they reach systemic circulation at nearly 100% bioavailability versus often 1020% for some oral supplements when gut absorption is impaired
Weis M , Schlichting CL , Engleman EG , Cooke JP
The relationship between dose, route of administration, and clinical outcomes requires systematic investigation to establish therapeutic ranges and maximize efficacy while minimizing potential risks
They can treat diabetes and obesity while helping patients with heart disease, liver disease, and sleep apnea