asparagus high in glutathione is a plentiful source of iron, fiber, zinc and vitamins A, E and C. “It's also got up to 51% of the recommended daily allowance of vitamin K," said Rebecca Mason Glutathione: What You Need To
Description
The framework: Choose food when you can tolerate it and have room in your reduced calorie budget

Fanning AS, Ma TY, Anderson JM
As a consequence, they often become nutritionally deficient
Journal of Controlled Release: Official Journal of the Controlled Release Society, [online] 342, pp.5365
