Nature medicine , 28(10), 20832091
If lightheadedness, excessive fatigue, or nausea occurs during exercise, reduce intensity and ensure adequate pre-workout nutrition
Remember that glutathione is our main endogenous antioxidant
Higher doses are usually unnecessary if you are using a high-bioavailability liposomal form, which provides better absorption at lower milligram counts
Arriagada PV, Growdon JH, Hedley-Whyte ET, Hyman BT
Alternatively, consider working with a therapist to address needle phobia before ruling out more effective injectable options