GH-axis + recovery stack

MGF (Mechano Growth Factor) + LL-37 Truncated Variants (KR-12 / KS-30) stack

A research-context overview of stacking MGF (Mechano Growth Factor) with LL-37 Truncated Variants (KR-12 / KS-30): the rationale, complementary benefits, side-effect overlap, and pharmacokinetic considerations. Educational only — never a recommendation.

Why this stack?

Pairing a Performance peptide like MGF (Mechano Growth Factor) with a Recovery peptide like LL-37 Truncated Variants (KR-12 / KS-30) is one of the most common stack archetypes in the research literature. The Performance compound drives the GH/IGF-1 axis or anabolic signaling; the Recovery compound shortens the soft-tissue and inflammation tax of training, letting the anabolic signal land on healthier tissue. The two work on independent pathways, so timing concerns are minimal — most researchers dose them on separate clocks.

Performance

MGF (Mechano Growth Factor)

IGF-1Ec splice variant released by mechanical loading; activates muscle satellite cells.

Key benefits

  • Satellite cell activation
  • Local muscle hypertrophy
  • Fiber repair after damage

Side effects to watch

  • Local hypoglycemia (rare)
  • Injection-site irritation
  • Short half-life requires frequent dosing
Reference dose
100-200 mcg · Post-training (3-4x/week)
Recovery

LL-37 Truncated Variants (KR-12 / KS-30)

Shorter active fragments of LL-37 (KR-12, KS-30) with retained antimicrobial activity but lower toxicity.

Key benefits

  • Antimicrobial activity preserved
  • Lower hemolysis vs full LL-37
  • Wound healing research

Side effects to watch

  • Localized irritation (topical)
  • Limited human trial data
Reference dose
Not established · N/A

Half-life considerations

Reference half-life data for one or both of these compounds is not in our table — see the individual peptide profiles for cited PK ranges.

Profile
MGF (Mechano Growth Factor)
Profile
LL-37 Truncated Variants (KR-12 / KS-30)
Compare
MGF (Mechano Growth Factor) vs LL-37 Truncated Variants (KR-12 / KS-30)

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.