“Quick 🧵on the current state of Iota-carrageenan nasal sprays: Efficacy, safety, Betadine shortages, buying options for US & Can. markets.

I-C sprays are the only option on the market that have a real-world randomized, double-blind, placebo-controlled study backing them up. 1/14”

New, promising data on Profi Nasal Spray (aka PCANS) as prophylaxis for respiratory viruses:

“The researchers developed the formulation and studied its ability to capture respiratory droplets in a 3D-printed replica of a human nose. They showed that when sprayed in the nasal cavity replica, PCANS captured twice as many droplets as mucus alone.