Protocol Glossary
Science-backed definitions for every term in your health data: plain English and the mechanism behind it.
Adenosine
The molecule that makes you sleepy: what caffeine is actually blocking
→ Read definitionAdrenaline (Epinephrine)
The acute alarm hormone that prepares the body for immediate action
→ Read definitionBDNF (Brain-Derived Neurotrophic Factor)
The protein that grows your brain, most powerfully triggered by exercise
→ Read definitionCortisol
Your body's primary stress hormone and morning alarm signal.
→ Read definitionDHEA (Dehydroepiandrosterone)
The adrenal precursor hormone that declines steadily with age
→ Read definitionDopamine
The motivation and anticipation signal, not the pleasure hormone
→ Read definitionEstradiol (E2)
The primary estrogen that governs more than reproduction
→ Read definitionFree T3 and Free T4
The active and storage forms of thyroid hormone your labs should show
→ Read definitionFree Testosterone
The biologically active fraction that actually reaches cells
→ Read definitionFSH (Follicle Stimulating Hormone)
The pituitary hormone that drives egg and sperm development
→ Read definitionGhrelin
The stomach hormone that drives hunger before meals and after poor sleep
→ Read definitionGrowth Hormone (GH)
The pituitary hormone that repairs tissue during deep sleep
→ Read definitionHPA Axis (Hypothalamic-Pituitary-Adrenal Axis)
The three-gland stress response system that runs your cortisol
→ Read definitionIGF-1 (Insulin-like Growth Factor 1)
The anabolic signal that turns growth hormone into muscle repair
→ Read definitionLeptin
The fat-cell hormone that tells your brain how much energy you have stored
→ Read definitionLH (Luteinizing Hormone)
The pituitary signal that triggers sex hormone production
→ Read definitionMelatonin
The darkness hormone that tells your body when to sleep
→ Read definitionProlactin
The pituitary hormone that suppresses sex hormones when elevated
→ Read definitionTestosterone
The primary anabolic hormone governing muscle, energy, and drive
→ Read definitionMore terms added regularly. Check back for new entries across all categories.
