Its major patents have recently expired: in the US and Europe, the patent ran out at the end of 2023, after which generic versions appeared in 2024
However, these are often mild and decrease over time
Glutathione is found in all tissues, with the highest concentrations in the liver, eyes, spleen, pancreas, and kidneys
It is dependent on the dosage of glutathione administered and the current condition of the individual receiving the antioxidant
Reputable Canadian suppliers understand domestic customers need reliable products and maintain quality standards accordingly
These results support the idea that thyroid hormone regulates metabolism, but that T3 does a much better job than levothyroxine