What is Glutathione and How Can You Increase Your Levels? TECHNOTIP Broccoli is a nutrient dense superfood that can help the immune system in a number of ways. Packed with Vitamin C: Broccoli, like oranges, is a great source of this powerful antioxidant, There are thousands of phytochemicals that upregulate our antioxidant and longevity genesso what makes sulforaphane so special? Sulforaphane upregulates glutathione. Often referred to as the mother Mark Hyman, MD 12 comments Comment detox to have the research sent straight to your inbox Cruciferous vegetables don't just contain protective compounds they activate them. When vegetables like broccoli are chopped or chewed, they