WHAT ARE THE BENEFITS OF GLUTATHIONE I'm more of an asparagus guy. Asparagus is a superfood. It contains Glutathione(your master detoxifier), Quercetin(anti inflammatory) & Saponins(heart protective & immune supportive). Also, vitamin K, folate, vitamin A, vitamin C, riboflavin, & Asparagus season is here and it's fleeting so let's make the most of it! But first, did you know that asparagus is a rich source of our body's master antioxidant, glutathione, What if we told you one serving of Ontario asparagus has only 20 calories (per 1 2 cup) but still brings major nutritional value including: Folate Vitamins A + K