What Foods Are High In Glutathione? Route2Health Sulfur rich foods for hair growth. Natural food sources of sulfur with the symbol S and atomic number 16. Healthy food to boost glutathione. Onion, garlic, dried apricot, radishes, nuts, spirulina. Stock Ecological Formulas , Reduced Glutathione Powder 50 G BulkSupplements Glutathione Powder (Reduced Form) 1 Kilogram (2.2 lbs) Does Garlic Have Health Benefits? BestFoodFacts.org