Glutathione and Side Effects: What You Need to Know for Better Health Performance Lab Will IV glutathione work for everyone? With almost 10 years of experience, my answer is no. The results of IV glutathione vary depending on 1) what outcome we are using it for ( FDA Advisory No. 2019 182*** UNSAFE USE OF GLUTATHIONE AS SKIN LIGHTENING AGENT The Food and Drug Administration (FDA) warns the public on the dangers associated with the use of injectable lightening agents What To Avoid When Taking Glutathione