Insulin Aspart vs Leu-enkephalin
Head-to-head comparison of Insulin Aspart (Insulin aspart (B28-Asp human insulin analog)) and Leu-enkephalin (Tyr-Gly-Gly-Phe-Leu) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Insulin Aspart | Leu-enkephalin |
|---|---|---|
| Category | Diabetes & Metabolic | Pain Management |
| Full Name | Insulin aspart (B28-Asp human insulin analog) | Tyr-Gly-Gly-Phe-Leu |
| Molecular Weight | 5825.8 Da | 555.63 Da |
| Half-Life | About 1-3 hours | 1-5 minutes in plasma |
| Amino Acids | 51 | 5 |
| Typical Dose | 0.05-0.2 U/kg per meal | 0.1-5 ug per animal |
| Route | Subcutaneous | Intrathecal / intracerebroventricular |
| Purity | ≥98% | ≥98% |
| Studies Count | 11000 | 1000 |
| Research Status | Approved | Pre-clinical |
Insulin Aspart Benefits
- ✓Fast post-meal glucose lowering
- ✓Predictable onset
- ✓Flexible mealtime administration
- ✓Compatible with pump therapy
Leu-enkephalin Benefits
- ✓delta-opioid activity
- ✓endogenous analgesic model
- ✓receptor-selective pharmacology
- ✓nociception pathway research
Insulin Aspart Dosing
Inject SC immediately before meals|Titrate using glucose monitoring and carbohydrate intake|Can be used in insulin pumps or basal-bolus regimens
Leu-enkephalin Dosing
Intrathecal 0.1-5 ug per animal|Intracerebroventricular 0.1-2 ug per animal|In vitro 1-100 nM
Insulin Aspart Side Effects
- ⚠Hypoglycemia
- ⚠Injection-site reactions
- ⚠Weight gain
Leu-enkephalin Side Effects
- ⚠sedation
- ⚠constipation-like opioid effects
- ⚠very short plasma stability
Research Overview
Insulin Aspart
Research consistently shows faster onset and earlier peak action than regular human insulin. It is commonly studied for meal-time glycemic control and pump-based insulin delivery.
Leu-enkephalin
Leu-enkephalin is a standard tool in opioid receptor and pain-transmission research because it helps distinguish delta- from mu-preferring signaling. Its research value is high, but its clinical utility is limited by rapid enzymatic breakdown and delivery challenges.
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