glutathione and l-glutathione Solgar Reduced 250 mg - 30 Vegetable Capsules - Antioxidant Support - Non-GMO, Vegan, Gluten Free, Dairy Free, Kosher L-GLUTATHIONE 100 mg

For individuals with mild deficiencies or as a maintenance option after injections, oral B12 supplements or sublingual B12 formulations may be suitable alternatives

Parenteral Nutrition Total Parenteral Nutrition (TPN), glucose, and amino acid infusions for patients unable to eat

doi: 10.1016/s0928-4257(01)00039-0

Vitamin B-12 deficiency is associated with dementia and low cognitive function, but its not clear whether vitamin B-12 supplements might help prevent or treat dementia

The constituents of supplements with unknown variability can unpredictably interact with cardiac ion channels or CYP-mediated drug metabolism causing alterations in drug exposure and cardiotoxic potential (217)