Most people dont experience a crashits more like the quiet fading of something you didnt realize was working
Zheng Y, Xu M, Li Y, Hruby A, Rimm EB, Hu FB,
Unlike many antioxidants that must be obtained through diet, glutathione is synthesized internally, though production naturally declines with age and during periods of oxidative stress
[13] Dose escalation should proceed cautiously, with monitoring of vital signs, electrolytes, and-if relevant-ammonia levels
Again this is rare and likely has more to do with preservative and other things in the injection other than cobalmin since our bodies need this molecule to survive
Always return it to the refrigerator immediately after drawing a dose