Measurement of antioxidant ability of melatonin and serotonin by the DMPD and CUPRAC methods as trolox equivalent
For B12, prolonged use of metformin and acid-suppressing drugs (PPIs, H2 blockers) may reduce absorption of oral B12, which is one reason injectable B12 is considered in select patients
However, as part of glutathione, it indirectly supports antioxidant activity, which may improve overall clarity and reduce dullness
PubMed Philp, D., Badamchian, M., Scheremeta, B., Nguyen, M., Goldstein, A.L., Kleinman, H.K
But these females can have a huge range of activity and the only way to truly their genotype is to use molecular tests like PCR tests to check for the presence of mutations in the gene