Your skin needs to enzymatically convert it to L-ascorbic acid
Armero-Gimenez J, Wilbers R, Schots A, Williams C, Finnern R
Please send your question about Solgar L-Glutathione here Medicines, herbal remedies and dietary supplements have benefits and may have risks
3 Biotech, 10(4), 185
This suggests that spirulina can reduce the incidence of myelosuppression and enhance immune function in tumor patients (196)
Unlike medication effects, which are usually aimed at altering action of one receptor or enzyme to ameliorate psychiatric symptoms [e.g., serotonergic pathway, glutamatergic pathway (57, 108)], the low glutamate diet aims to reduce glutamatergic excitotoxicity while concurrently increasing consumption of nutrients known to be protective against excitotoxicity, with the aim of improving neurotransmission (69, 109)