Quercetin I took with Zn, D3, C, and B complex
Don’t know if it helps, but seasonal allergies were much better this year
Thought about melatonin, but it knocks me on my butt
Dr. Seuhalt of MedCram recommends Vit D + Quercitin + NAC + Zinc. He is on the front lines and takes these supplements himself. He has several good lectures on these and how and why they work.