Insulin
FDA ApprovedThe most well-known peptide hormone. A 51 amino acid hormone produced by the pancreas that regulates blood sugar. Multiple forms are FDA-approved. Fundamental to metabolic health research.
Metabolic HealthHormonal Health
Half Life
~5-6 minutes (endogenous) to hours (analogs)
Time to Results
Minutes to hours (acute)
Administration
SubQ injection, Inhaled, IV
🐾 Griffin's Research Scorecard
Research Strength
Human Data
Animal Data
Long-Term Data
Beginner Friendly
Storage Difficulty
Injection FrequencyMultiple times daily (clinical)
Cost$$$
🐾 Griffin Says...
Griffin includes insulin in the library for educational context since it is the most famous peptide hormone. As a research compound in non-diabetics it carries serious hypoglycemia risk. This is not a casual peptide. Included here to understand how peptide hormones work in context.
Benefits
- Blood glucose regulation
- Anabolic effects on muscle
- Essential for life in type 1 diabetes
- Studied for body composition at low doses
Best For
- Diabetes management
- Metabolic research
- Educational reference
Body Systems
MetabolicMusculoskeletalEndocrine
Mechanisms of Action
- Insulin receptor activation
- GLUT4 transporter upregulation
- Promotes glucose uptake
- Anabolic signaling in muscle and fat
Side Effects
| Effect | Frequency | Severity |
|---|---|---|
| Hypoglycemia | Very Common if misused | Potentially fatal |
| Injection site lipohypertrophy | With chronic use | Moderate |
Contraindications
Hypoglycemia, not for use without blood glucose monitoring, dangerous in non-diabetics without medical supervision
Peptides discussed here are for research purposes only. Nothing on this page is medical advice. Always consult a qualified professional before making health decisions.
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