glycine glutathione metabolism metabolism. In the presence of an amino acid glutathione is The Role of Glutathione Metabolism

While very rare, a life-threatening allergic reaction (anaphylaxis) has also been reported

2009 Mar;53(3):408-16

Green tea is well tolerated, has low toxicity, and is readily incorporated into the daily diet, making it a practical candidate for long-term chemoprevention

Individuals with conditions such as chronic obstructive pulmonary disease (COPD), tuberculosis, neo-coronary disease, cardiovascular disease, gastro-oesophageal reflux disease, hepatitis C, Alzheimers disease, rheumatoid arthritis, age-related macular degeneration, nephropathy did not experience any adverse reactions following Quercetin application

2015 Jan 29;13(1):118