Normally, cells produce small amounts of pro-oxidative agents, which serve important defensive roles, but antioxidant enzyme systems like glutathione and others inactivate them due to their ability to neutralize free radicals
Look for third-party laboratory testing with HPLC and mass spectrometry verification, a certificate of analysis showing purity in the high nineties percent, sterile manufacturing, and clear storage and reconstitution information
Substrate Selectivity Check of the Ergothioneine Transporter
A study of patients with pancreatic cancer and gastrointestinal tumors reported that during omega-3 supplementation prior to chemotherapy, patients gained an average of approximately 2.5 kilograms of body weight, which was maintained after chemotherapy was initiated (73)
J Phys Chem 117: 7655-7674
The significance of the accumulation of inosine stems from the fact that experiments have previously demonstrated that inosine promotes mitochondrial function in adipose tissue