Thanks, here's their summary for prevention: ■ Vitamin C 500 mg BID and Quercetin 250-500 mg BID ■ Zinc 75-100 mg/day ■ Melatonin (slow release): Begin with

Thanks, here's their summary for prevention: ■ Vitamin C 500 mg BID and Quercetin 250-500 mg BID ■ Zinc 75-100 mg/day ■ Melatonin (slow release): Begin with 0.3mg and increase as tolerated to 2 mg at night ■ Vitamin D3 1000-4000 u/day ■ Optional: Famotidine 20-40mg/day