Research by Goal
Explore preclinical research on peptides and bioactive compounds grouped by research goal. Each page covers the studied compounds, mechanisms, and current evidence for that application.
Gut Healing
Your gut lining constantly repairs itself, but sometimes the damage outpaces the rebuild. BPC-157 was discovered in gastric juice precisely because it appears to play a role in this process. Researchers studying tissue repair stumbled upon a peptide that seemed uniquely positioned to support gastrointestinal healing.
Tendon Repair
Tendons are surprisingly fragile for structures that bear so much force. A tendon injury doesn't just mean pain—it means weeks or months of functional limitation. Two peptides have emerged as notable research subjects for supporting tendon healing: BPC-157 and TB-500. Both appear to influence tissue recovery through different mechanisms, suggesting complementary rather than competitive approaches.
Wound Healing
What if the real breakthrough in wound healing isn't finding a single "healing molecule" but understanding that wounds demand simultaneous solutions across multiple biological layers? Three entirely different peptides offer three entirely different answers. BPC-157 works through neurogenic and vascular signaling to amplify the cascade that initiates repair [PMID: 25529739]. TB-500 reorganizes the cellular architecture that supports tissue migration and new vessel formation [PMID: 18493016]. GHK-Cu, which your body already produces naturally, may work by directly stimulating the structural proteins that damaged skin desperately needs [PMID: 22512572]. This isn't redundancy—it's the recognition that healing a wound is fundamentally a multi-system problem requiring multi-system intervention.
Injury Recovery
Injured tissue faces a unique biological problem: it must restore function, not just close a surface. A torn ligament, damaged muscle, or fractured tendon still retains partial structure—the repair machinery must rebuild, not patch. BPC-157 and TB-500 attack this problem from opposite directions. BPC-157 amplifies the signaling cascade that tells cells to grow and repair, working through mTOR, nitric oxide, and growth hormone pathways [PMID: 25529739] [PMID: 21040104]. TB-500 builds the infrastructure that makes growth possible—new blood vessels and cellular architecture that injured tissue desperately needs [PMID: 18493016]. These aren't competing approaches; they're addressing complementary biological phases of what researchers call "structural recovery."
Skin Health
Your skin has a built-in repair system — one that declines dramatically as you age. GHK-Cu is a naturally occurring copper peptide found in human plasma, saliva, and wound fluid that appears to reactivate the mechanisms responsible for collagen synthesis and antioxidant defense. Research suggests this endogenous compound may offer a biochemical window into why young skin heals faster and maintains its structure better than aging skin [PMID: 22512572].
Anti-Aging
Anti-aging research rarely focuses on a single mechanism — aging itself is multidirectional. Two distinct pathways dominate the research conversation: collagen maintenance through local tissue remodeling (GHK-Cu), and systemic growth hormone axis activation (CJC-1295 and Ipamorelin). Understanding which mechanisms might matter most for your research goals clarifies which compounds warrant investigation.
Muscle Growth
Most people assume growth hormone directly builds muscle. Here's the plot twist: it doesn't. GH triggers your liver to produce IGF-1, which then acts on muscle tissue itself. Understanding this GH-IGF-1 relay system is the key to why CJC-1295 and Ipamorelin appear together in muscle research conversations.
Fat Loss
Growth hormone does something unexpected: it mobilizes fat while simultaneously building muscle. This anabolic-lipolytic environment creates a metabolic puzzle that's genuinely difficult to study. This is where CJC-1295 and Ipamorelin create intrigue — not because the fat-loss mechanism is simple, but because it's complex.
All research on this site is preclinical unless otherwise noted. Evidence comes from animal models and in vitro studies. None of this constitutes medical advice.