Best Peptides for Injury Recovery
A research-grounded guide to which peptides match which injuries — covering tendons, ligaments, muscles, joints, bone, and beyond. Everything based on published evidence, nothing oversold.
Whether you are dealing with a stubborn tendon issue that hasn't responded to physical therapy, an acute muscle tear from training, a post-surgical recovery, or simply trying to bounce back faster from heavy training loads — peptides have become one of the most discussed tools in modern recovery research. The published evidence ranges from extensive (BPC-157, TB-500) to emerging (SS-31, Thymalin), but for several specific injury types, the science is clear enough to make informed recommendations.
This guide walks you through which peptides from our catalog match which injuries, based on what the published research actually supports. We will not promise miracles or oversell results — we will give you a clear, honest picture so you can make a decision that fits your situation.
How Tissue Healing Actually Works (And Why Peptides Help)
Before getting to specific recommendations, it helps to understand what your body is actually doing when it repairs damaged tissue. Healing happens in three overlapping phases:
- Inflammation phase (days 1–7): Immune cells move to the injury site, clear out damaged tissue, and signal the start of repair. Too much inflammation prolongs healing; too little prevents it from starting properly.
- Proliferation phase (week 1–6): New blood vessels form, fibroblasts produce collagen, and replacement tissue is built. This is where the bulk of structural repair happens.
- Remodeling phase (weeks to months): The new tissue is reorganized, strengthened, and aligned to match the demands placed on it. Quality of healing in this phase determines whether the tissue is stronger, equal to, or weaker than before.
Different peptides influence different phases. BPC-157 works heavily through angiogenesis and growth factor signaling in the proliferation phase. TB-500 mobilizes repair cells and aids in cellular migration across all phases. Growth hormone peptides like Sermorelin and CJC-1295 enhance the systemic IGF-1 environment that drives protein synthesis and tissue rebuilding. SS-31 supports the mitochondrial energy production that all repair processes depend on. The point is that no single peptide does everything — and matching the right peptide to your injury phase and tissue type is what produces good results.
The Core Three for Direct Repair
If you are recovering from any kind of soft-tissue injury — tendon, ligament, muscle, joint, or gut — three peptides do the heaviest lifting. These have the most published evidence specifically for tissue repair.
BPC-157 — The Local Repair Specialist
15-amino-acid synthetic peptide derived from human gastric juice protein
BPC-157 has the largest body of preclinical evidence of any healing peptide, with over 100 published peer-reviewed studies covering tendons, ligaments, muscles, bone, gut tissue, and more. Published research in animal models has documented accelerated Achilles tendon healing, ligament repair, muscle crush injury recovery, and bone fracture healing.
Notably, a study published in the Journal of Orthopaedic Research found that BPC-157 significantly improved tendon-to-bone healing in rat models of Achilles tendon detachment — even when corticosteroids were present, which normally slow healing. This is part of why BPC-157 has become so popular for recovery from injuries that have stalled in traditional rehab.
Best For
Tendons (Achilles, patellar, rotator cuff, tennis elbow), ligaments (MCL, ACL recovery support), muscle strains and tears, joint inflammation, gut healing, NSAID-induced ulcers, and most localized soft tissue injuries.
Typical Use
250–500 mcg subcutaneous once or twice daily for 4–8 weeks. Often injected near the injury site, though systemic dosing also works.
TB-500 / TB-4 — The Cell Migration Driver
17-amino-acid fragment of Thymosin Beta-4
While BPC-157 acts mostly at the local injury site, TB-500 (a fragment of the larger Thymosin Beta-4 protein) works systemically. Its main mechanism involves binding G-actin and regulating cell movement — which mobilizes repair cells from elsewhere in the body and sends them to where they're needed.
Published research has shown TB-500-treated Achilles tendons in animal models produce more uniform fiber bundles with increased collagen fibril diameter compared to controls. The proangiogenic effects are well-documented, and TB-500 is widely used in veterinary medicine for racehorse soft tissue recovery — one of the longest-running real-world applications outside human clinical trials.
Best For
Large muscle tears, deep or systemic injuries that BPC-157's local action doesn't reach as easily, hard-to-reach tissues, multi-site issues, broad athletic recovery, and chronic injuries that haven't responded to localized treatment alone.
Typical Use
2–5 mg subcutaneous twice weekly during the loading phase (4–6 weeks), then once weekly maintenance. The convenient dosing schedule makes it easier than daily-injection peptides.
We also carry a pre-blended BPC-157 + TB-500 vial for users running the combination protocol who want the convenience of a single vial.
Sermorelin & CJC with DAC — Growth Hormone Pathway
GHRH analogs that stimulate the body's own growth hormone and IGF-1
Growth hormone (GH) and its downstream messenger IGF-1 are central to tissue repair, collagen synthesis, and recovery. Rather than injecting synthetic HGH directly, Sermorelin and CJC-1295 stimulate your own pituitary to release GH in more youthful patterns.
Published research supports the role of GH and IGF-1 in muscle repair, collagen production, and recovery between training sessions. While these peptides aren't injury-specific the way BPC-157 is, they create a more supportive systemic environment for whatever repair you're trying to accelerate — which is why many serious recovery protocols include a GHRH analog alongside a more targeted peptide.
Best For
General recovery support, post-surgical healing, collagen synthesis (for skin, tendons, joints), age-related slowed healing, and stacking with BPC-157 or TB-500 for broader recovery effects.
Typical Use
Sermorelin: 100–300 mcg daily before bed (short half-life, natural pulsatile pattern). CJC with DAC: 1–2 mg once or twice weekly (long half-life, sustained signal). For a full comparison see our Sermorelin vs CJC-1295 vs Tesamorelin guide.
Supporting Peptides
Beyond the core three, several other peptides in our catalog play specific roles in recovery contexts. They are not your first purchase as a beginner, but they have value once you understand your baseline.
SS-31 — Mitochondrial Support
Mitochondria-targeted cardiolipin-binding peptide
SS-31 (also known as elamipretide) is a synthetic peptide that targets mitochondria — your cells' energy factories. Cellular repair is energetically expensive, and mitochondrial dysfunction is increasingly recognized as a limiter on healing capacity, especially in chronic injuries and older athletes. SS-31 has progressed into multiple human clinical trials for heart failure, mitochondrial myopathy, and other mitochondrial diseases, and preclinical research has shown it can restore mitochondrial function in skeletal muscles, brain, heart, and other tissues.
For injury recovery, SS-31 is most useful when added to a core stack that's producing initial improvement but plateauing — suggesting energy supply at the cellular level may be the bottleneck. It is also discussed in the literature for traumatic brain injury recovery, where mitochondrial dysfunction is part of the secondary injury cascade.
Best For
Chronic injuries that have plateaued on a basic stack, older athletes with slower recovery, brain injury recovery research, post-concussion research, and cases where overall cellular energy seems to be a limiting factor.
Thymalin — Immune Modulation
Polypeptide derived from the thymus gland
Thymalin is a thymus-derived peptide that modulates immune function. Recovery from any significant injury depends on the immune system doing its job correctly — clearing damaged tissue, managing inflammation, and signaling the start of repair. When immune function is dysregulated (chronic inflammation, autoimmune issues, recurrent infections during recovery), Thymalin may help bring it back into balance. It has been studied for decades in Russian clinical research as an immune modulator.
Best For
Recovery contexts where chronic inflammation or immune dysregulation is part of the picture — older athletes, post-surgical recovery in patients with compromised immune function, prolonged recovery from illness or injury.
DSIP — Sleep-Mediated Recovery
Delta Sleep-Inducing Peptide
This is the one most people overlook. The single most powerful recovery process in the body is sleep — specifically deep sleep, when growth hormone release peaks and tissue repair runs at maximum capacity. If you're not sleeping well, no peptide stack will fully compensate. DSIP has been studied since the 1970s for its effects on sleep architecture, and supporting better sleep during recovery may be one of the highest-leverage things you can do.
Best For
Any recovery context where sleep quality is suboptimal. Pairs well with growth hormone peptides taken before bed, since both work with the natural overnight repair window.
Selank — Stress-Mediated Recovery
Russian heptapeptide with anxiolytic and cognitive effects
Chronic stress raises cortisol, and chronically elevated cortisol directly impairs tissue healing — it suppresses immune function, inhibits collagen synthesis, and slows the resolution of inflammation. For users dealing with stress alongside their injury (which describes most modern adults), Selank's documented anxiolytic effects can support recovery indirectly by lowering the cortisol-driven catabolic environment.
Best For
Recovery contexts where stress is high — competitive athletes during peak season, high-stress professionals, anyone whose injury coincides with a difficult life period. See our Selank Complete Guide for more.
Recommendations by Injury Type
Here is the practical matching of injuries to peptides, based on what the published research most strongly supports for each tissue type.
Tendon Issues
Achilles tendinopathy, patellar tendonitis, tennis elbow (lateral epicondylitis), golfer's elbow, rotator cuff issues. BPC-157 has the strongest preclinical evidence for tendon-to-bone healing of any peptide.
Add TB-500 for severe cases or chronic tendons that haven't responded to BPC-157 alone.
Ligament Injuries
MCL sprains, ACL recovery support, ankle ligament damage, post-surgical ligament repair. BPC-157 supports local repair and angiogenesis; TB-500 supports cellular migration for broader recovery.
Add Sermorelin or CJC for post-surgical cases to support systemic healing.
Muscle Tears & Strains
Hamstring tears, quad strains, calf tears, larger muscle damage. TB-500's systemic action and ability to mobilize repair cells makes it well-suited to broader muscle injuries. BPC-157 supports the local repair process at the tear site.
For large or deep muscle tears, combine both.
Joint Pain & Inflammation
Osteoarthritis, joint capsule issues, post-injury joint stiffness, cartilage support. BPC-157's anti-inflammatory and angiogenic effects make it the primary choice. Joints have notoriously poor blood supply — and BPC-157 helps address that.
Add CJC with DAC for sustained IGF-1 elevation supporting cartilage support over longer periods.
Bone Fractures & Stress Reactions
Recovery from fractures, stress fractures, post-surgical bone healing. BPC-157 has shown improved callus formation and remodeling in animal fracture models. Growth hormone peptides support the systemic environment for bone rebuilding.
Gut Injuries & GI Issues
IBS, IBD, leaky gut, NSAID-induced ulcers, post-antibiotic dysbiosis. BPC-157 originated from a gastric protective protein and is one of the few peptides stable enough to use orally for direct gut effects.
Slow-Healing Wounds & Skin Injuries
Surgical incisions, slow-healing cuts, diabetic-associated slow healing. BPC-157 supports angiogenesis and fibroblast migration. GH peptides support collagen synthesis — a key bottleneck in any skin repair.
Brain Injury & Concussion Recovery
SS-31 has documented neuroprotective effects in traumatic brain injury models through mitochondrial restoration. Selank may support stress regulation during the recovery window. Always under medical supervision for brain injury contexts.
Post-Surgical Recovery
Post-surgical recovery is one of the most popular and well-discussed peptide applications. The body's repair systems are already activated by the surgery itself — peptides essentially amplify and support what's already happening.
Standard Post-Surgical Stack
- BPC-157: Local repair at the surgical site, angiogenesis, growth factor signaling. Start within a few days of surgery (after the acute bleeding phase) and continue for 6–8 weeks.
- TB-500: Systemic repair cell mobilization, broader recovery support. Particularly valuable for larger surgeries or where multiple tissues are involved.
- Sermorelin or CJC with DAC: Systemic IGF-1 elevation supporting protein synthesis and overall recovery capacity.
- Optional — DSIP: Sleep quality often suffers after surgery due to pain, medication, and disrupted routines. DSIP may help restore the deep sleep that recovery depends on.
Important Pre-Surgery Considerations
BPC-157 promotes angiogenesis, which is desirable for healing but means it should generally not be used in the week immediately before surgery to avoid affecting normal hemostasis. Your surgeon should be informed of any peptide use, and the decision to start, pause, or continue any peptide around a surgical date should be made with the surgical team. This is especially true for any cancer-related surgery, where the angiogenic activity of healing peptides warrants particular caution.
Chronic & Stubborn Injuries
Chronic injuries — the kind that linger for months or years despite rest, physical therapy, and conventional care — present a different challenge than acute injuries. The tissue has often entered a state of poor blood supply and disorganized scar tissue formation. Several approaches can help.
Extended Cycles
Most acute injuries respond well to 4–8 week cycles. Chronic injuries often require longer — 8–12 weeks for the same core stack. The published research suggests improvements continue with sustained dosing rather than plateauing quickly.
Combining Local and Systemic Approaches
For chronic injuries, running a local-action peptide (BPC-157, often injected near the injury site) alongside a systemic peptide (TB-500 plus a growth hormone peptide) covers more bases than single-peptide use.
Adding SS-31 if You've Plateaued
If you've completed a basic stack with initial improvement that then stalled, mitochondrial energy supply may be the bottleneck — especially in older athletes or longer-standing injuries. SS-31 can be a logical add-on in this scenario.
Reassessing the Whole Picture
If a peptide protocol isn't working for a chronic injury, it's worth asking whether something other than tissue repair is the actual problem — biomechanical issues, sleep, nutrition, chronic stress, or an underlying condition. Peptides amplify healing, but they cannot overcome ongoing damage from a movement pattern that keeps re-injuring the same tissue.
Stacking for Faster Results
The most popular recovery stack in the research community pairs BPC-157 and TB-500. The combination is sometimes called the "Wolverine Stack" because of the way they cover both local and systemic healing simultaneously.
| Goal | Recommended Stack |
|---|---|
| Acute soft tissue injury (mild) | BPC-157 alone, 4–6 weeks |
| Acute soft tissue injury (moderate) | BPC-157 + TB-500, 6–8 weeks |
| Post-surgical recovery | BPC-157 + TB-500 + Sermorelin or CJC, 6–10 weeks |
| Chronic injury (plateaued on basics) | Core stack + SS-31, 8–12 weeks |
| Older athletes / slower healing | Core stack + Sermorelin + Thymalin, 8–12 weeks |
| Gut healing | BPC-157 (often oral), 4–8 weeks |
| Brain injury recovery | SS-31 + Selank, under medical supervision |
A note for beginners
If this is your first peptide cycle, do not start with a stack. Run BPC-157 alone for one cycle first to establish how your body responds. Once you understand your baseline, adding additional peptides becomes more meaningful — both because you can attribute new effects correctly and because you have a sense for tolerance. Our choosing your first peptide guide explains the single-peptide-first principle in detail.
Cycle Length & Timing
Recovery cycles are typically run for 4–12 weeks depending on injury severity. Here are the patterns most commonly used.
Acute Injuries (Days to Weeks Old)
Start as soon as the acute bleeding/inflammation phase has resolved — typically 3–7 days after the initial injury. Run for 4–6 weeks for mild injuries, 6–8 weeks for moderate. Reassess at the end of the cycle; most users either complete the protocol or extend by 2–4 weeks if recovery is still progressing.
Chronic Injuries (Months to Years Old)
Run cycles of 8–12 weeks. Take a 2–4 week rest period before considering a second cycle. Chronic tissue often needs multiple cycles separated by rest to fully respond.
Post-Surgical
Start 3–7 days after surgery (with surgical team approval), continue for 6–10 weeks depending on the procedure. Stop or pause if any wound complications develop.
Timing of Daily Doses
BPC-157 is generally not time-sensitive — pick a time that fits your routine and stay consistent. Growth hormone peptides (Sermorelin, CJC, Tesamorelin) work best on an empty stomach, often before bed. DSIP is taken shortly before sleep. TB-500 is dosed by week, so day of the week matters more than time of day. For complete dosing technique details, see our dosing and injection basics guide.
Common Mistakes to Avoid
- Starting too many peptides at once. If you stack three peptides on day one and feel better, you have no idea which one helped. Run one alone first.
- Stopping too early. Most users see real changes by week 3–4 and want to declare success. Finish the cycle. Tissue remodeling continues long after symptoms improve.
- Continuing the activity that caused the injury. Peptides accelerate healing — they don't override damage from continued bad mechanics. Address the cause too.
- Skipping sleep and nutrition. Peptides give your body the signals to repair; sleep and protein give it the raw materials and the time. You need both.
- Using contaminated product. Peptide quality varies enormously. Always source with a Certificate of Analysis.
- Ignoring the WADA list. If you compete in any sport tested under World Anti-Doping Agency rules, BPC-157, TB-500, GHRH analogs (Sermorelin, CJC, Tesamorelin), and other peptides on this page are all banned. Do not use them if you compete.
Common Questions
How quickly will I see results?
For acute injuries, most users report noticeable improvements within 1–4 weeks. For chronic injuries, give it 4–8 weeks minimum before evaluating. Some types of healing — particularly tendon and bone — continue improving for months even after symptoms ease, because tissue remodeling is a long process. Don't judge a cycle by week two.
Should I inject near the injury site?
There is debate on this for BPC-157 specifically — some users prefer local injection for localized issues; others argue systemic absorption is sufficient. The published animal research mostly used standard systemic dosing. For TB-500, site of injection matters less because of its systemic action. The pragmatic approach is to rotate between standard subcutaneous sites (abdomen, thigh, flank) and not stress excessively about location.
Can I use peptides if my injury is more than a year old?
Yes. Chronic injuries can still respond to peptides, though typically more slowly than fresh injuries. The tissue has often entered a state of poor blood supply and disorganized scar tissue. Expect to need longer cycles (8–12 weeks) and don't be surprised if results take longer to appear. Combining a local-action peptide (BPC-157) with a systemic one (TB-500) often produces better results for chronic injuries.
Can I use these peptides if I have a history of cancer?
This is the most important caution on this page. Several recovery peptides — BPC-157, TB-500, and growth hormone-elevating peptides — have angiogenic activity, which can theoretically support any tissue that uses new blood vessels to grow, including tumors. There is no clinical evidence that they cause cancer, but anyone with a personal or family history of cancer should discuss with a qualified healthcare professional before considering them.
Are these peptides legal in Costa Rica?
The peptides on this page are sold as research compounds in Costa Rica, which is the same framework used in most countries with active peptide markets. They are not approved as finished pharmaceutical drugs by the Costa Rica Ministerio de Salud, FDA, or EMA, and are sold for laboratory and research purposes. For more on how this works in our market, see our FAQ page.
Do I need a doctor to use these?
A conversation with a qualified healthcare professional is strongly recommended, especially before your first peptide and especially if you have any medical condition or take any prescription medications. Many integrative and sports medicine practitioners are familiar with peptide therapy. The conversation is more important for some peptides (those with metabolic, hormonal, or immune effects) than others.
Can I take these orally instead of injecting?
Mostly no. Almost all peptides are destroyed by stomach acid before reaching your bloodstream — most achieve less than 1–2% oral bioavailability. BPC-157 is the notable exception, since it's stable in gastric acid and is sometimes used orally for gut-specific goals. For systemic effects (tendons, joints, muscle), injection remains far superior. Our piece on why we think peptide injections are better than pills covers the science in detail.
What if my injury comes back after I finish the cycle?
If a chronic injury returns after a peptide cycle, the most likely cause is that the underlying biomechanical issue or activity pattern that produced the injury hasn't been addressed. Peptides accelerate tissue healing, but they can't override forces that keep damaging the same tissue. Combine peptide cycles with proper rehab, movement analysis, and addressing the root cause.
Which peptide should I start with for general recovery?
For most injuries, BPC-157 is the recommended starting point. It has the most research, the broadest application range, and the most consistent reports from real-world use. Run it alone for one cycle. If you need more or want to address a different angle, add TB-500 or a growth hormone peptide in your next cycle.
Not sure which peptide fits your injury?
Tell us about your situation — what kind of injury, how long ago, what you've tried. We'll help you figure out the right starting point honestly, without pushing the most expensive option.
Contact Us on WhatsAppImportant disclaimer: The information in this guide is general educational content only. It is not medical advice, a prescription, or a personalized recommendation. The peptides discussed are not approved by the FDA, EMA, or Costa Rica's Ministerio de Salud as finished pharmaceutical drugs for human use, and are sold as research compounds intended for laboratory and scientific study. Most are on the World Anti-Doping Agency's Prohibited List and are banned in tested competitive sport. Always consult a qualified healthcare professional before beginning any peptide protocol — especially if you have any medical condition, take prescription medications, or have a history of cancer. Products sold by Peptides Costa Rica are intended for laboratory and research purposes only.
- Journal of Orthopaedic Research: "Pentadecapeptide BPC 157 enhances the growth and tendon-to-bone integration in rat Achilles tendon detachment."
- NCBI/PMC — Therapeutic Peptides in Orthopaedics: "Applications, Challenges, and Future Directions." 2025.
- Current Pharmaceutical Design: Seiwerth et al., "BPC 157 and blood vessels."
- PNAS (Proceedings of the National Academy of Sciences): "Mitochondrial protein interaction landscape of SS-31."
- Scientific Reports (Nature): "SS-31 treatment ameliorates cardiac mitochondrial morphology and defective mitophagy in a murine model of Barth syndrome."
- eLife: "Late-life restoration of mitochondrial function reverses cardiac dysfunction in old mice."
- NCBI/PMC: "SS-31 Provides Neuroprotection by Reversing Mitochondrial Dysfunction after Traumatic Brain Injury."
- Journal of Applied Physiology: Research on growth hormone, IGF-1, and tissue repair.
- FDA: Egrifta (tesamorelin) prescribing information.
- World Anti-Doping Agency: "The Prohibited List."
- Nature Reviews Drug Discovery: "Therapeutic peptides: current applications and future directions."
- ScienceDirect: "Application research of novel peptide mitochondrial-targeted antioxidant SS-31 in mitigating mitochondrial dysfunction."
