As a result, pyridoxine deficiency can lead to relevant neuropsychiatric manifestations, such as reduced neurotransmitter synthesis, depression, epilepsy, premature aging of neurons, paresthesias, cerebrovascular diseases, cognitive impairment and carpal tunnel syndrome (1618, 20, 58) In contrast, pyridoxine may have therapeutic potential for treating depression or aggressive behavior, since pyridoxine plays a crucial role in the tryptophan-serotonin pathway (61, 62)
Many countries in Europe, Asia, and Africa, however, have not mandated folic acid fortification of staple foods (37)
Additionally, these counterfeit products can be ineffective altogether
Endogenous glutathione synthesis from dietary cysteine, glutamate, and glycine is typically sufficient unless you're in a state of severe oxidative stress or hepatic compromise