NAD Infusions Urgent Care Stafford VA Optimum Care Functional Medicine Deep Dive w Michelle Birch Glutathione, NAD+, and Smart Supplementation Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Can glutathione premix injection at 2000 milligrams be added to a Nicotinamide adenine dinucleotide (NAD+) injection?