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Cathepsin C promotes colorectal cancer metastasis by regulating immune escape through upregulating CSF1

Both peptides have been studied extensively in preclinical and clinical research models for nootropic, anxiolytic, and neuroprotective effects

IGF-1 LR3: Best for rapid muscle growth (advanced) Why it's most powerful: Direct anabolic effects on muscle Fastest muscle building peptide Promotes hyperplasia (new muscle fibers) Dramatic results in 4-6 weeks Best for: Experienced users only Rapid muscle gain goals Short-term cycles Bodybuilding prep Dosing: 40-80mcg daily post-workout 4-6 week cycles maximum 4-6 weeks off between cycles Requires careful blood sugar management Not for beginners: Hypoglycemia risk Organ growth concerns long-term Expensive Requires experience The verdict: CJC + Ipamorelin for most people, IGF-1 for advanced users wanting maximum gains

In the US, the FDA classifies these compounds as research chemicals when sold and labeled for laboratory use and not for human consumption