Best Glutathione Supplement 4 Recommendations in 2026 The parent compounds of acetaminophen (US market in 1955 in the US as Tylenol and other products) were first discovered in 1886 (acetanilide) and 1887 (phenacetin). These were the earliest synthetic fever Glutaryl: Antioxidant Glutathione Spray Auro Wellness *Dr.B GLUTA GOLD SPRAY by Aavderm * Introduction Dr.B Glutagold Spray is a sublingual Glutathione which is faster and most effective in action due to it 95 percent absorption rate as it by passes