The recommendation is to start with a lower concentration and gradually increasing usage can help minimize these risks
So, if you want to be really professional, dont choose, but combine : You can use a serum that contains both (e.g., Numbuzin No.5 or APLB products)
Bambini-Junior V, Rodrigues L, Behr GA et al (2011) Animal model of autism induced by prenatal exposure to valproate: behavioral changes and liver parameters
It can be a powerful supportive ingredient
Loprinzi CL, Lacchetti C, Bleeker J, Cavaletti G, Chauhan C, Hertz DL,
In addition, low intracellular levels of GSH were correlated with defective processing of antigens in APCs, indicating that GSH may be a critical factor in antigen processing [39]