Insulin, Explained Clearly

Everything you need
to know about insulin.

One home for the mechanisms, the medications, the technology, and the costs - written so anyone can actually use it.

Start Learning > Read the Blog
1922 The year insulin was first used to treat a person with diabetes - still the foundation of every therapy on this site.

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Five ways into the topic

No wrong entry point - every guide is written to stand on its own, and links to what's related.

01 | Learn

What Is Insulin?

The hormone behind blood sugar, explained from the ground up.

> 02 | Learn

Types of Insulin

Rapid, long-acting, premixed - what the labels actually mean.

> 03 | Learn

Cost & Insurance

Navigating price, formularies, and assistance programs.

> 04 | Learn

Injection Guide

Sites, rotation, and technique basics.

> 05 | Learn

Pumps & CGMs

How modern delivery technology works.

>

From The Blog

Latest guides & explainers

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Pharmacist ringing up a box of insulin pens at a pharmacy checkout counter

Access & Affordability

Insulin Prices Are Finally Dropping - Here's What Changed

A look at the manufacturer caps and biosimilar launches reshaping what patients pay.

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Continuous glucose monitor sensor worn on the upper arm

Technology

CGMs Are Getting Smaller, Cheaper, and Smarter

What the latest generation of continuous glucose monitors means for day-to-day management.

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A glass of orange juice and glucose tablets on a kitchen counter

Safety

The 15-15 Rule: Treating a Low Without Overcorrecting

A closer look at the most common approach to treating hypoglycemia, and why overtreating it backfires.

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