Alert: Due to rapidly depleting worldwide stock, we are limiting customers to a maximum of 20 units each.

USA 🇺🇸 2-3 days (USPS from Texas) • UK 🇬🇧 1-2 days (Royal Mail from London) • EU 🇪🇺 5-7 days (from Germany)

ThyBlock™ Potassium Iodide (KI)

Welcome to the ThyBlock™ official website. We’re proud to be the go-to choice for preparedness experts and survival influencers across all four corners of the globe.

ThyBlock™ is a leading producer & distributor of branded Potassium Iodide (KI) Tablets for emergency thyroid support.

Our Potassium Iodide (KI) products are distributed around the world from our facilities in Europe and the United States.