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Happy Diabetes is an education and wellness service, not a medical device. It does not provide medical advice or diagnose, treat, cure, or prevent any medical condition. For health decisions, consult your healthcare team.

© 2026 Happy Diabetes

Guides

Find the right guide at the right moment: understand, revisit, move forward.

Find a starting point

A few entry points to start without searching too long.

Start here

T1D 101 - Understanding Type 1 Diabetes 🎓
T1D 101 - Understanding Type 1 Diabetes 🎓

A comprehensive introduction to Type 1 Diabetes. Learn what T1D is, how insulin works, and how to recognize the signs of high and low blood sugar.

T1D Fundamentals
Open
Hypoglycemia Management - Stay Safe 🚨
Hypoglycemia Management - Stay Safe 🚨

Learn to recognize early warning signs of low blood sugar, treat hypoglycemia effectively, and develop prevention strategies to stay safe.

Explore

55

55 guides

Categories

Guide type

T1D Fundamentals
Open
Carb Counting 101 - Fundamentals 🎓
Carb Counting 101 - Fundamentals 🎓

Master the basics of carbohydrate counting. Learn to identify carbs in foods, read nutrition labels, and estimate portions accurately — the #1 skill for managin

Nutrition & Carbs
Open
Sick Day Management - Stay Safe When You're Ill 🤒
Sick Day Management - Stay Safe When You're Ill 🤒

Learn the essential rules for managing Type 1 Diabetes during illness. Understand why sickness affects blood sugar, when to check ketones, and when to seek emer

T1D Fundamentals
The essentials
Open

Avoid lows

Hypoglycemia Management - Stay Safe 🚨
Hypoglycemia Management - Stay Safe 🚨

Learn to recognize early warning signs of low blood sugar, treat hypoglycemia effectively, and develop prevention strategies to stay safe.

T1D Fundamentals
Open
Sick Day Management - Stay Safe When You're Ill 🤒
Sick Day Management - Stay Safe When You're Ill 🤒

Learn the essential rules for managing Type 1 Diabetes during illness. Understand why sickness affects blood sugar, when to check ketones, and when to seek emer

T1D Fundamentals
The essentials
Open
Night Management & Sleep 🌙
Night Management & Sleep 🌙

Why do nights feel so unpredictable with T1D? This guide covers nocturnal hypoglycemia, dawn phenomenon, CGM alarm fatigue, and how to build a safe overnight pr

Glycemic Management
The essentials
Open

Eat with more confidence

Carb Counting 101 - Fundamentals 🎓
Carb Counting 101 - Fundamentals 🎓

Master the basics of carbohydrate counting. Learn to identify carbs in foods, read nutrition labels, and estimate portions accurately — the #1 skill for managin

Nutrition & Carbs
Open
GI 101: Understanding the Glycemic Index 📊
GI 101: Understanding the Glycemic Index 📊

Learn what the glycemic index really means, how to classify foods, and how to use GI and glycemic load in your daily T1D management. The perfect complement to c

Nutrition & Carbs
Open
Eating Out & Social Meals with T1D 🍕
Eating Out & Social Meals with T1D 🍕

Master the art of eating out, social meals, and special occasions with Type 1 Diabetes. From restaurants to buffets, alcohol to social pressure — practical stra

Daily Life & Wellness
Open
World Cuisines & T1D: Eating Well Anywhere 🌍
World Cuisines & T1D: Eating Well Anywhere 🌍

From sushi to burritos to Parisian brasseries — learn to decode the glycemic profile of 6 world cuisines and apply a universal framework that works at any resta

Nutrition & Carbs
Open

Understand insulin

Insulin Reasoning - Basics 💉
Insulin Reasoning - Basics 💉

Understand the fundamentals behind insulin decisions: basal vs bolus insulin, ratios, correction factors, active insulin, and timing.

Insulin Therapy
Open
Basal/Bolus Optimization: Master Your Insulin Settings ⚙️
Basal/Bolus Optimization: Master Your Insulin Settings ⚙️

A step-by-step guide to finding and fine-tuning your basal insulin, insulin-to-carb ratio (ICR), and insulin sensitivity factor (ISF). Learn how to run systemat

Insulin Therapy
Open
Pumps Deep Dive: Advanced Pump Management 🔧
Pumps Deep Dive: Advanced Pump Management 🔧

Master advanced insulin pump skills — from circadian basal programming and dual-wave bolus strategies to infusion site science, DIA optimization, travel protoco

Technology
Open

Move or exercise

Exercise and T1D - Stay Active Safely 🏃
Exercise and T1D - Stay Active Safely 🏃

Learn how to exercise safely and effectively with Type 1 diabetes. Understand how different activities affect your blood sugar and develop strategies for stayin

Exercise & Sports
Open
Sports Performance & T1D 🏆
Sports Performance & T1D 🏆

Take your athletic performance to the next level with T1D — from exercise physiology and sport-specific glucose strategies to competition preparation, recovery

Exercise & Sports
Open
Hypoglycemia Management - Stay Safe 🚨
Hypoglycemia Management - Stay Safe 🚨

Learn to recognize early warning signs of low blood sugar, treat hypoglycemia effectively, and develop prevention strategies to stay safe.

T1D Fundamentals
Open

Support someone

Your Caregiver Journey Starts Here 🤝
Your Caregiver Journey Starts Here 🤝

A quick introduction for caregivers of someone with Type 1 Diabetes. Understand the basics, learn the 3 emergency gestures, find the right support balance, and

Caregiver Track
The essentials
Open
Emergency Preparedness for Caregivers 🆘
Emergency Preparedness for Caregivers 🆘

Learn to recognize and respond to diabetes emergencies with confidence. Covers severe hypoglycemia, glucagon (nasal and injectable), DKA recognition, when to ca

Caregiver Track
The essentials
Open
Supporting Your Partner with T1D 🤝
Supporting Your Partner with T1D 🤝

Learn how to support your partner living with Type 1 Diabetes — without becoming the diabetes police. Covers the T1D basics you need, communication strategies,

Caregiver Track
Open
T1D & Your Young Child (Ages 2-10) 👶
T1D & Your Young Child (Ages 2-10) 👶

A practical guide for parents managing Type 1 Diabetes in young children who can't yet self-manage. From daily routines to first steps toward age-appropriate au

Caregiver Track
Open

Explore technology

Introduction to CGM - Understanding Continuous Glucose Monitors 📡
Introduction to CGM - Understanding Continuous Glucose Monitors 📡

Learn what a Continuous Glucose Monitor (CGM) is, how it works, the main systems available today, how to read trend arrows and Time in Range, and how to talk to

Technology
The essentials
Open
Introduction to Insulin Pumps ⚙️
Introduction to Insulin Pumps ⚙️

Discover how insulin pumps work, compare the main systems available today, and learn what automated insulin delivery really means. A balanced, practical guide f

Technology
The essentials
Open
Closed-Loop Systems: Automated Insulin Delivery 🤖
Closed-Loop Systems: Automated Insulin Delivery 🤖

Master automated insulin delivery (AID) systems — from understanding how closed-loop algorithms work to comparing commercial and DIY options, optimizing your se

Technology
Open