Mistake: Using TB-500 for gut health
[14] Because the liver is the central organ of copper handling and a major site of oxidative stress during injury, a copper-carrying, antioxidant-supporting peptide has a plausible mechanistic story there but the data are old, experimental, and not human, and the founding observation that the same peptide stimulates growth in neoplastic liver cells is a reminder that acts on the liver is not synonymous with good for the liver in every context
fillers, lactose, gluten and sugar
However, poor diet and sedentarism can also reduce glutathione levels
It has been observed that repeated doses of DCA resulted in loss of GSTZ1-1 protein and activity, probably due to post-translationally modifications of the enzyme 85
That doesn't mean the results are unreliable, but it does mean a careful read is required