alpha lipoic acid increases glutathione Alpha-Lipoic – an Antioxidant with Protective Actions on Cardiovascular Diseases Alpha Lipoic Acid (ALA) Supplement
Description
But it still goes to show you the power of methyl B12 among all vitamin B12 forms

The MHRA says a medicinal product includes any substance or combination of substances presented as having properties of preventing or treating disease in human beings

These include oral leptin mimetics and intranasal leptin, both of which are in preclinical stages of drug development [15,45,46]

As far as we know, reports of adverse reactions to compound vitamin tablets are extremely rare