Education Library
Learn, at your own pace
Nine bite-size lessons drawn from the same framework as our paid library — start anywhere that feels right. Two are free; the rest unlock with your email.
Foundations
Understanding Your Thyroid
FreeWhat your thyroid does, how T4 becomes T3, and why this matters for almost every system in your body.
4 min read · Read lesson →
Hormone Conversion: T4 to T3 Explained Simply
🔒 LockedYour thyroid mostly makes inactive T4. The magic — and the bottlenecks — happen when your body converts it into active T3.
5 min read · Preview →
Symptoms
Hypothyroid Signs
FreeWhen your thyroid is underactive, your body slows down. Here's what to look for — gently and without labels.
4 min read · Read lesson →
Hyperthyroid Signs
🔒 LockedWhen your thyroid is overactive, your body speeds up — racing heart, anxiety, sleep trouble, and more.
4 min read · Preview →
Autoimmune-Related Symptoms
🔒 LockedSometimes thyroid issues aren't just about the thyroid — they're connected to the immune system.
5 min read · Preview →
Labs
Must-Have Thyroid Labs
🔒 LockedTSH alone doesn't tell the full story. Here are the markers that actually paint a complete picture.
4 min read · Preview →
Optimal vs. Conventional Ranges
🔒 Locked"Normal" doesn't always mean optimal. The narrow window where most people actually feel their best.
4 min read · Preview →
What "Out of Range" Really Means
🔒 LockedA flagged lab doesn't always mean something is wrong. Here's how to read between the lines.
5 min read · Preview →
Medications
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