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 ( How Often Can You Get Glutathione IV Treatment? Harleys Clinic Glutathione IV Therapy: Detox, Brighten Skin & Boost Immunity How Long Does Glutathione IV Take To Work? How Often Can You Get Glutathione IV Treatment? Harleys Clinic Glutathione IV vs. Pills in Los Angeles: Which One Works Better