Protocols, doses, and reactions reported below come from published research and self-reported community sources
Garlic, onions, broccoli, cruciferous vegetables, watercress, cauliflower, Brussels sprouts, and turnips are among them
Sakuma S, Ishimura M, Yuba Y, Itoh Y, Fujimoto Y
Anita Gupta, an anesthesiologist, pain physician and pharmacist at the Johns Hopkins School of Medicine and former adviser to the FDA
NewAllergy & Cognitive Neuroscience 29 June 2026 Dihexa for Hay Fever & Antihistamine Brain Fog: Allergic Rhinitis, Histamine, the Anticholinergic-Dementia Link & the 2026 UK Review Around 16 million people in the UK have hay fever and hay fever brain fog has two sources: the allergy and the medicine
Annual Review of Biochem