Glutathione in Chronic Fatigue Syndrome (ME CFS) and Fibromyalgia Health Rising Higher gamma glutamyl transferase levels predict greater systemic sclerosis risk Fibromyalgia Symptoms and Treatments Higher Health Naturopathic Centre and IV Lounge I have had 3g the past couple of days and it's really helped my pain levels. I'm homozygous 1298C and suffer with severe osteoarthritis and fibromyalgia. I've just read it increases glutathione