The ALDH1L1 encoded enzyme is localized to the cytosol and the ALDH1L2 encoded enzyme is localized to the mitochondria
The challenge is that copper influences so many different biological systems
This has been especially true with the growth of such practices in the spa industry, where many establishments offer glutathione infusions as a "skin lightening" treatment, for energy, or to improve sports performance
Some microorganisms can bind to the surface of MPs and secrete enzymes that degrade the plastic polymers, which is called biodegradation
People with slow COMT function may want to avoid supplementing with high doses of methyl donor supplements, such as methylB12 (methylcobalamin) or methylfolate
That can introduce variability such as: Mislabeling Contamination Inconsistent dosing Unknown impurities Side effects: what we can responsibly say Because robust human safety data are limited, it's hard to give a definitive side-effect profile with meaningful incidence rates