is human glutathione synthetase a kinase The Multifaceted Role of S-Transferases in Health and Disease Glutathione Synthetase - an overview
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doi: 10.1038/nrn.2016.183 92 ChenQDeisterCAGaoXGuoBLynn-JonesTChenNet al

The most recent study using serum samples from 12 people with RLS compared with 10 healthy controls similar in age and sex demonstrated a significant downregulation of vitamin D binding protein (FC = 0.94) in people with RLS [37]

McKesey et al., 2020)

[DOI] [PubMed] [Google Scholar] 26.Jaroenlapnopparat A, Rittiphairoj T, Chaisidhivej N, Walker B, Charoenngam N

A 2017 review that looked at seven separate studies found a correlation between folate supplementation and increased sperm concentrations in men with fertility issues
All things being equal, this is a somewhat less-expensive alternative to PRP injections, although likely just as painful
