glutathione science article The Preparation of Containing Radioactive Sulfur Role of Glutathione in Cancer:

Absorbed through the digestive system, which may reduce bioavailability

But that's just it

Trng hp nn chn glutathione Hn Quc Bn c th cn nhc la chn glutathione Hn nu mc tiu chnh l h tr lm sng da, ci thin tnh trng da xn mu, chng oxy ha v chm sc sc p t bn trong

8.4 Small molecules inducing ferroptosis Resistance to radiotherapy and chemotherapy can lead to treatment failure, making Ferroptosis a new target for traditional treatment (126)

Animal data only Scaling a mouse 5 mg/kg dose to a person involves large uncertainty

12 It is understood that OA is a disease affecting the entire joint compartment and previous investigations suggest that the degenerative process is given in two stages