Cholecystokinin-8 vs Insulin Lispro
Head-to-head comparison of Cholecystokinin-8 (Cholecystokinin (sulfated C-terminal octapeptide, CCK-8)) and Insulin Lispro (Insulin lispro (B28-Lys, B29-Pro human insulin analog)) — benefits, dosing, side effects, research data, and where to buy.
Research Score
| Property | Cholecystokinin-8 | Insulin Lispro |
|---|---|---|
| Category | Endocrine Peptides | Diabetes & Metabolic |
| Full Name | Cholecystokinin (sulfated C-terminal octapeptide, CCK-8) | Insulin lispro (B28-Lys, B29-Pro human insulin analog) |
| Molecular Weight | 1143.2 Da | 5808.0 Da |
| Half-Life | 1-2 min | About 1 hour |
| Amino Acids | DY(SO3H)MGWMDF-NH2 | 51 |
| Typical Dose | physiologic low-picomolar-nanomolar range|research-dependent | 0.05-0.2 U/kg per meal |
| Route | endogenous secretion|research IV/SC | Subcutaneous |
| Purity | ≥98% | ≥98% |
| Studies Count | 97 | 12000 |
| Research Status | Endogenous | Approved |
Cholecystokinin-8 Benefits
- ✓gallbladder contraction
- ✓pancreatic enzyme release
- ✓satiety signaling
Insulin Lispro Benefits
- ✓Rapid postprandial glucose control
- ✓Flexible premeal timing
- ✓Predictable onset of action
- ✓Useful in basal-bolus regimens
Cholecystokinin-8 Dosing
physiologic secretion|research-dependent
Insulin Lispro Dosing
Inject SC 0-15 minutes before meals|Adjust dose to carbohydrate intake and premeal glucose|Often paired with a basal insulin
Cholecystokinin-8 Side Effects
- ⚠abdominal cramping
- ⚠nausea
- ⚠biliary contraction
Insulin Lispro Side Effects
- ⚠Hypoglycemia
- ⚠Weight gain
- ⚠Injection-site reactions
Research Overview
Cholecystokinin-8
CCK-8 is a canonical gut hormone fragment with extensive documentation in digestive physiology and appetite control. Sulfation of the tyrosine residue is important for high-affinity receptor activity.
Insulin Lispro
Clinical studies show faster onset and shorter duration than regular insulin, improving post-meal glucose control. It is a standard comparator in diabetes pharmacology and closed-loop insulin-delivery research.
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