Taking Insulin: Types, Storage, Pens and Pumps
What insulin does, the main types, how to store it and how to use pens, syringes and pumps with confidence.
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About this course
What insulin does, the main types, how to store it and how to use pens, syringes and pumps with confidence.
Starting insulin can feel like a big step, and knowing how it works makes it easier. This course explains what insulin does, the main types and how to store it safely.
You will also learn how pens, vials, syringes, pumps and smart pens are used, where to inject and how to prevent and handle lows.
What you will learn
Medically reviewed by
Dr. Shanto Arian is an internal medicine physician now specializing in clinical and aesthetic dermatology, with a parallel academic focus on epidemiology and public health. He holds an MBBS, MPH, MSc (UK), MRCP (UK), MRCPI (Ireland), Diploma in Dermatology (UK), and Diploma in Aesthetic Medicine (USA). Dr. Arian trained in internal medicine, including hospital work on hematology cases such as graft-versus-host disease, before moving toward dermatology. Skin is one of the earliest places diabetes shows itself, from acanthosis nigricans and diabetic dermopathy to slow foot wound healing, and that intersection is where his clinical and Diabic-review work meet. On Diabic, Dr. Arian medically reviews content on diabetes diagnosis, complications, dermatologic manifestations, and pharmacotherapy, ensuring every claim aligns with current ADA, NICE, and peer-reviewed literature.
For learning only. Talk to your doctor before changing medicine or habits.
Chapter 1: Starting Insulin: What to Expect
Chapter 2: What Insulin Does
- NIDDKWhat Is Diabetes? (opens in a new tab)
- American Diabetes AssociationAmerican Diabetes Association: Type 1 (opens in a new tab)
- Diabetes CareDiabetes Care journal home page (opens in a new tab)
- MedlinePlusDiabetes Complications (opens in a new tab)
- American Diabetes AssociationHyperglycemia (High Blood Glucose) (opens in a new tab)
Chapter 3: Types of Insulin
Chapter 4: How to Store Insulin
Chapter 5: Insulin Pens and Cartridges
Chapter 7: How to Inject Insulin
Chapter 9: Insulin Pumps and Smart Pens
Chapter 10: Insulin and Lows
Further reading on Diabic
- Switching to Injectable Diabetes Medication: What to Expect
- Diabetes Insulin Myths: What People Get Wrong
- Types of Insulin for Diabetes: A Practical Guide
- Coping with a Diabetes Diagnosis: the First 90 Days
- Switching
- What Is Insulin? Function and Risks Without It
- High Blood Sugar Symptoms You Shouldn't Ignore
- DKA Symptoms: 5 Red Flags You Must Act On
- Insulin Therapy for Type 1 Diabetes Explained
- High blood sugar FAQ
- Generic vs Brand Insulin: Is There a Difference?
- Insulin Storage While Traveling: Coolers, Packs, Tips
- Traveling With Diabetes Devices: A Practical Guide for 2026
- How to Use a Glucagon Emergency Kit: Step by Step
- Insulin Pump for Type 1 Diabetes: A Practical Guide
- Injection Site Reactions from Diabetes Medication
- How a Smart Insulin Pen Works (and Which to Buy)
- Insulin Pump Site Infections: Signs and Prevention
- How Much Does an Insulin Pump Cost With Insurance?
- Switch From Insulin Injections to a Pump? How to Choose
- Omnipod Insulin Pump: Features and Pros (2026)
- Low Blood Sugar Symptoms That Hit Without Warning
- Best Food to Eat When Blood Sugar Is Low
- Glucose Tablets for Hypoglycemia: When and How to Use Them
- Hypoglycemia Emergency Treatment: Act Fast to Stay Safe
- Blood Sugar Drops at Night: Causes and Prevention