glutathione reductase enzyme Most relevant steps of metabolism in Saccharomyces Glutathione - an overview |

Glutathione (Reduced) Reduced glutathione is involved in the synthesis and repair of DNA, and enhances the antioxidant activity of vitamin C, the transport of amino acids, and the detoxification of harmful compounds

doi: 10.1186/s12866-020-01820-9 81

Immunity Boost : No matter the season, shield yourself against illness with this powerful and effective dose of vitamin C & zinc

Benefits of Consistent Vitamin B Complex Supplementation When taken correctly, Vitamin B complex injections can provide people with a wide range of benefits

Conclusion So, Can I take B12 tablets as well as injections

They are different compounds with different receptor targets, though both have approximately 7-day half-lives