GSH is the essential co-substrate for the glutathione peroxidase (GPx) family including GPx4, which converts toxic lipid peroxides into non-toxic alcohols and is central to ferroptosis research and for glutathione S-transferases (GST)
Fresh meat (cooled, frozen or fresh) Freshly caught fish Chicken (skinned and fresh ) Egg yolk Fresh fruits with the exception of strawberries, most fresh fruits are considered to have a low histamine level (also see histamine liberators below) Fresh vegetables with the exception of tomatoes Grains rice noodles, yeast free rye bread, rice crisp bread, oats, puffed rice crackers, millet flour, pasta (spelt and corn based) Fresh pasteurised milk and milk products Milk substitutes coconut milk, rice milk Cream cheese, butter (without the histamine generating rancidity) Most cooking oils Most leafy herbs Most non-citric fruit juices Herbal teas with the exception of those listed as DAO blockers
[1] [3] Patients with dietary deficiency and intact absorption may require less frequent injections or may be suitable for high-dose oral supplementation instead (typically 50-150 micrograms of cyanocobalamin daily between meals)
Regular lab monitoring of IGFI and timed GH sampling shows if feedback loops are trending toward a profile supportive of reproductive hormone balance
Satoh K, Kitahara A, Sato K
& Ongphiphadhanakul, B