is too much glutathione bad for you Frontiers Glutathione for Skin: Benefits, Results,
Description
Difference between IV drip & IM injections

The right dose is the one that puts you in the optimal range with the fewest side effects and finding that dose requires lab-guided adjustments

Elevated homocysteine is a known endothelial toxin that directly contributes to this vascular damage

Doses greatly exceeding the nutritional requirements (for example, hundreds of milligrams daily) have not been studied in randomized trials for safety, so one should avoid mega doses in pregnancy unless treating a specific condition (such as pyridoxine-responsive seizures) under careful supervision
