citrulline and glutathione blood pressure system enhancement for cardiac protection: pharmacological options against oxidative stress ferroptosis Frontiers | Targeting muscle–vasculature crosstalk
Description
Intravenous B12 therapy is fast-acting

Glutathione is a tripeptide composed of cysteine, glutamate, and glycine, functioning as a powerful antioxidant that protects cells from oxidative stress and supports detoxification processes

Cancers 14 (22), 5641

As you can see, the choice boils down to free, needs-based treatment versus paying for immediate access
