• Skip to main content
  • Skip to secondary menu
  • Skip to primary sidebar
emergency preparedness

Simply Preparing

Survival blog for disaster and emergency preparedness.

  • Home
  • About Simply Preparing
  • Beginning Prepping
  • Simple & Inexpensive Prepper Projects

How Potassium Iodide May Save Your Life During A Nuclear Event

September 25, 2017 By ParkerMama

We may earn money or products from the companies mentioned or linked to in this post, including Amazon Affiliate links

If there was a terrorist attack or nuclear disaster one of the biggest concerns would be exposure to harmful levels of  radiation.   Potassium Iodide (IOSAT)  keeps you safe by saturating your thyroid with a *this post contains affiliate links beneficial form of iodine which prevents your body from absorbing radioactive iodine, produced during a nuclear event.

Potassium Iodide Tablets

What Is Potassium Iodide?

*This post contains Amazon Affiliate Links

Approved for medical use by the FDA,  *this post contains affiliate links Potassium Iodide (IOSAT) is recommended by health officials as one of the best ways to stay in a nuclear radiation emergency.

Potassium iodide should be taken each day you are exposed to radioactive iodine due to a nuclear event.  So, for each day an adult was exposed to a nuclear blast, you would take one pill.  You can find Potassium Iodide here. 

Adults over 40 should not take KI since they have the lowest chance of developing thyroid cancer.

Do NOT give additional doses to newborns or pregnant and breastfeeding women.

How Much Potassium Iodide (IOSAT) Should I Take?

According to the IOSAT packaging insert, dosing should be as following:

Age 18+* ————–130mg daily (One IOSAT tablet)
Age 3 – 18 ————-65mg daily (1/2 IOSAT tablet) Adolescents approaching adult size should receive the full adult dose (130 mg).
1 month – 3 yrs. —– 32mg daily (1/4 IOSAT tablet)
Birth – 1 month —— 16mg daily (1/8 IOSAT tablet)

 Anyone allergic to iodine should NOT use Potassium Iodide. Read the enclosed pamphlet.

 When To Take Potassium Iodide Tablets (IOSAT)?

In case of a nuclear emergency, public officials will notify citizens of the need to protect themselves.   Don’t want to have to rely on the government?  Get a simple radiation detector to alert you to an emergent event.

Pro Tip:  A good face mask can help keep you from inhaling fallout particles.

How Potassium Iodide Can Save Your Life During A Nuclear Emergency

What Are You Waiting For?

Just a few simple steps and you can put a nuclear emergency plan together for you and your family.
Want to learn more? The book Nuclear War Survival Skills: Lifesaving Nuclear Facts and Self-Help Instructions is one of the best sources of information out there.

Join Our NEW Facebook Group

PS:  Join us in our new Simply Preparing DEALS group!  We are  working to increase our level of preparedness SIMPLY one GREAT deal at a time!

Filed Under: Beginning Prepping, SHTF Tagged With: nuclear, nuclear bomb fall out, potassium iodide

About ParkerMama

Tammy is a mom to 6 wonderful kids, including Parker, who came with an extra chromosome! She is passionate about special needs advocacy, living within her means, and preparing for an uncertain future. Tammy's main blog is Praying For Parker. Make sure to visit her there as well!

Primary Sidebar

Why Worry About Preparing?

Preparedness makes more sense now than ever.

As we move through 2026, it’s clear that the world is shifting in ways many of us can feel — even if we can’t always predict what’s next. In recent years we’ve seen global supply chain disruptions, international conflicts affecting energy and food markets, extreme weather events across multiple continents, cyberattacks on critical infrastructure, economic uncertainty, inflation, and rising costs for everyday essentials.

From global pandemics to geopolitical tensions and natural disasters happening around the world, the message is the same: stability isn’t guaranteed.

Whether or not you believe we’re headed toward a major global reset, there are plenty of everyday realities that make preparedness practical — not extreme. Job loss. Health emergencies. Severe storms. Power outages. Supply shortages. Economic downturns.

Preparedness isn’t about panic.

It’s about positioning your family to respond calmly when life throws the unexpected your way.

We’ve found that the more intentional emergency planning my family does, the less I worry about the big “what ifs.” When you have food storage in place, backup plans for power and water, and practical skills to lean on, uncertainty feels manageable.

That peace of mind is powerful.

Here at Simply Preparing, we share the survival tips, preparedness strategies, and practical systems we’ve learned along the way — from pantry building and food storage to emergency planning and self-reliance skills. Our goal is not to create fear, but to create confidence.

And we hope you’ll join the conversation.

Preparedness is not a solo journey. We all bring different experiences, lessons, and perspectives to the table. Share what you’ve learned. Ask questions. Leave comments. We grow stronger and smarter together.

Now, let’s get started prepping.

Pick a post and begin reading. At the end of every article, the blog will randomly suggest three additional preparedness posts to explore. Set aside just 10 minutes a day to build your knowledge base. Small, consistent steps add up faster than you think.

Because when it comes to preparedness, we’re never truly “done” learning — and we’re never wrong for being ready.

Let’s prepare wisely.

Affiliate Disclosure

We are a participant in the Amazon Services LLC Associates Program, which means we may earn a small commission if you make a purchase—at no additional cost to you. We only recommend products we personally trust and believe are worth having as part of a simple, practical preparedness plan.

Privacy Policy and Cookies

This site uses cookies. Please read our Privacy Policy so you fully understand how we use them.

Copyright © 2025 Indigo Ink, LLC: Simply Preparing Disaster and Emergency Preparedness · WordPress · Log in