selenium is part of the glutathione peroxidase enzyme system Selenoneine-inspired selenohydantoins with glutathione peroxidase-like

It also acts as an anti-inflammatory in some of the animals on which it has been tested

To make it clearer, heres a quick summary of the different ways you can check your B12 levels

Mac n Cheese

Excessive Alcohol Consumption Glutathiones efficacy can also be hindered by alcohol

High-Strength 1500mg Formula: Each serving provides 1500mg of Glutathione (Reduced), combined with Vitamin C, Hyaluronic Acid, Phosphatidylcholine and Aloe Vera Oil to create a carefully developed multi-ingredient formula

The Science Quad Healing Blend represents a scientifically-designed multi-peptide formulation that combines four clinically-studied healing compounds into a single comprehensive protocol