Side-by-side comparison
MK-677 (Ibutamoren) vs LL-37 Truncated Variants (KR-12 / KS-30)
Oral GH secretagogue that cranks appetite, muscle preservation, and bone density. versus Shorter active fragments of LL-37 (KR-12, KS-30) with retained antimicrobial activity but lower toxicity.
MK-677 (Ibutamoren)
PerformanceOral GH secretagogue that cranks appetite, muscle preservation, and bone density.
Top benefits
- ✓Increases muscle mass
- ✓Improves bone density
- ✓Improves sleep quality
- ✓Oral administration
LL-37 Truncated Variants (KR-12 / KS-30)
RecoveryShorter active fragments of LL-37 (KR-12, KS-30) with retained antimicrobial activity but lower toxicity.
Top benefits
- ✓Antimicrobial activity preserved
- ✓Lower hemolysis vs full LL-37
- ✓Wound healing research
| Attribute | MK-677 (Ibutamoren) | LL-37 Truncated Variants (KR-12 / KS-30) |
|---|---|---|
| Category | Performance | Recovery |
| Type | small-molecule | linear |
| Chain length | 1 aa | 12 aa |
| Formula | C27H36N4O5S | KR-12 fragment of LL-37 |
| Common dose | 10-25 mg | Not established |
| Frequency | Daily | N/A |
| Top benefit | Increases muscle mass | Antimicrobial activity preserved |
| Top side-effect | Increased appetite | Localized irritation (topical) |
⚠
Educational use only
This calculator is provided for research and educational purposes. Outputs are derived from the values you enter. Always verify your math and consult a licensed physician before acting on any result.