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Peptide Therapy in Musculoskeletal Medicine
Injectable and regenerative peptide therapies in orthopaedics and sports medicine — what the evidence shows for tendon, cartilage and bone healing, and where the hype outpaces the data.
What it is¶
Peptide therapy uses tiny chains of building blocks called peptides, which your body already makes to send signals between cells. The idea is that these signals could help damaged tissue heal. In bone and joint medicine, most of this is still at the research stage.
Right now, the evidence does not support using injectable peptides for orthopaedic and sports problems [1]. They remain largely experimental [2]. Peptide supplements are not recommended as a replacement for, or an add-on to, standard care [3]. One peptide called BPC-157 is widely promoted for sports recovery, but there are no randomised controlled trials of it in humans [4], so its effectiveness and safety are unknown [4].
You may also see peptides sold online and through social media, often with exaggerated claims and little regulatory oversight [5]. Be cautious about what these products promise.
There is one clear exception. Two growth factors, called BMP-2 and BMP-7, can be recommended based on level I studies [6]. Growth factors are natural substances that encourage cells to grow and specialise. BMP stands for bone morphogenetic protein, and these two are approved for specific bone healing problems: open tibial fractures treated with intramedullary fixation, and tibial non-union, where a broken shin bone fails to heal [7].
Other peptides are being studied in the lab. In animal models of rotator cuff tears, BMP-7 improved the quality of tendon-to-bone healing [8], and a peptide called GHRP-2 improved tendon-bone healing properties [9]. These findings are early steps, not treatments you can access yet.
Your doctor will talk you through any option with solid evidence behind it, and will tell you plainly when something is still experimental.
Does it work?¶
For most peptides, the honest answer is that we do not know yet. Good-quality trials in humans are missing for many of these treatments. BPC-157, for example, is widely promoted for sports recovery, but there are no randomised controlled trials of it in people [1]. Without those trials, there is no reliable way to judge whether it helps or how safe it is.
There is one clear exception. BMP, short for bone morphogenetic protein, is a natural substance that encourages bone cells to grow. It has two approved uses: treating open shin bone fractures fixed with a rod inside the bone, and treating a shin bone that has failed to heal after a break [2]. These are specific situations, not general uses.
Other work is still at the laboratory stage. In animal studies, a peptide called BDNF placed in a gel showed promise for protecting nerve tissue after severe spinal cord injury [3]. Another study looked at combining a peptide gel with a cartilage repair technique in horses and found it could improve cartilage healing [4]. These findings are early steps. What works in animals does not always work in people, and these treatments are not available as standard care.
One more finding is worth knowing. Two peptides your body makes, called substance P and calcitonin gene-related peptide, appear in higher amounts in tendons that are more badly worn [5]. This tells researchers these peptides are linked to tendon problems, but it does not mean taking them as a treatment will help.
So the picture is mixed. Some peptides have solid evidence in narrow situations. Most do not, and some are being sold with claims that outrun the science. If you are considering peptide therapy, ask what trials have tested it in people, and be wary of anything that promises more than the research can back.
What are the risks?¶
For most peptide treatments, the honest answer is that nobody knows the full risk picture yet. Researchers have said plainly that there is a lack of evidence to support using peptide therapy in bone and joint care [1]. For BPC-157, the science is not there to judge how safe it is or when it should be used [2]. That means any side effects are not well mapped out. If you use a peptide product sold online, you cannot know what it contains or how your body will react to it.
The clearest safety information comes from the treatments with the strongest evidence. BMP-2 and BMP-7 are the only peptides recommended based on level I studies [3], and they are approved for two specific bone healing problems [4]. Outside those approved uses, the risks of other peptides in people have not been studied properly.
Some findings come from animal research, which cannot tell you what would happen in your body. In rat studies of rotator cuff tears, BMP-7 improved tendon-to-bone healing [5] and GHRP-2 improved healing properties [6]. A gel containing BDNF protected nerve tissue in animals with severe spinal cord injury, but the animals did not regain movement [7]. These are early laboratory steps, not proof of safety in people.
One small human finding exists. A treatment called EGYFIL seemed to reduce pain and stiffness within 3 hours of the first application, and during 3 days of treatment [8]. That is a short study window, so longer-term effects are unknown.
The practical risk is not only physical. Peptide products sold online and through social media often carry exaggerated claims with little oversight [9]. Using them instead of standard care could delay treatment that has evidence behind it. If you are considering any peptide therapy, ask what trials have tested it in people, what side effects were seen, and whether it is approved for your condition.
Is it right for you?¶
For most bone and joint problems, peptide therapy is not ready to be part of your care. The evidence does not support using it yet [1]. Your doctor will tell you plainly if a treatment is still experimental, and will talk you through options that have solid research behind them.
There is one narrow exception. For a specific type of cartilage damage in the knee, one study found that treating the defect with a peptide called KLD, or with a standard cartilage repair technique called microfracture, both improved symptoms compared with no treatment [2]. That finding comes from early research, not from large trials in many people. It does not mean peptides are a general answer for worn or damaged joints.
So who tends to suit this kind of treatment? Almost nobody right now, outside carefully run trials and the specific bone healing situations described earlier on this page. If you have a sports injury, a tendon problem or wear-and-tear arthritis, standard care has far more evidence behind it than any peptide product you can buy.
The decision should be a shared one. Bring your questions to your doctor. Ask what trials have tested the treatment in people, what side effects were seen, and whether it is approved for your condition. If the honest answer is that nobody knows, that is useful information too. The risks section above explains what is and is not known about safety.
The bottom line¶
For most bone and joint problems, peptide therapy is not something to seek out yet. The evidence does not support using it in orthopaedic and sports medicine at this stage [1]. There is one narrow exception: for a specific type of knee cartilage damage, early research found that treatment with a peptide called KLD, or with a standard cartilage repair technique called microfracture, both improved symptoms compared with no treatment [2]. If you are thinking about peptides, hold a realistic expectation: most of this field is still experimental, and the single most important caveat is that many promoted products have never been tested in proper human trials.
References
- Injectable Peptide Therapy: A Primer for Orthopaedic and Sports Medicine Physicians. *The American Journal of Sports Medicine*. 2026. 10.1177/03635465251357593
- Injectable Peptides in Sports Medicine: A Structured Narrative Review of Evidence, Safety, and Antidoping Implications. *JBJS Reviews*. 2026. 10.2106/jbjs.rvw.26.00027
- Peptide Supplements and Their Therapeutic Applications in Sports Medicine. *The American Journal of Sports Medicine*. 2026. 10.1177/03635465261464420
- Injectable Therapeutic Peptides—An Adjunct to Regenerative Medicine and Sports Performance?. *Arthroscopy*. 2024. 10.1016/j.arthro.2024.09.005
- Paper 32. Performance & Promises: A Social Media Review of Alleged Indications, Risks and Usage of “Peptides” in Musculoskeletal Health. *Orthopaedic Journal of Sports Medicine*. 2026. 10.1177/2325967126s00290
- Carrier systems and application of growth factors in orthopaedics. *Injury*. 2008. 10.1016/s0020-1383(08)70014-7
- Clinical applications of growth factors in bone injuries: Experience with BMPs. *Injury*. 2013. 10.1016/s0020-1383(13)70008-1
- Effects of BMP-7 and Low Molecular Weight Peptide Solution on Healing in a Rotator Cuff Tear Model: A Histopathological and Biomechanical Study in Rats. *Journal of Shoulder and Elbow Surgery*. 2026. 10.1016/j.jse.2026.04.003
- Growth Hormone–Releasing Peptide 2 May Be Associated With Decreased M1 Macrophage Production and Increased Histologic and Biomechanical Tendon‐Bone Healing Properties in a Rat Rotator Cuff Tear Model. *Arthroscopy*. 2024. 10.1016/j.arthro.2024.11.094
- Biofunctionalized peptide-based hydrogel as an injectable scaffold for BDNF delivery can improve regeneration after spinal cord injury. *Injury*. 2019. 10.1016/j.injury.2018.12.027
- Microfracture Augmentation With Trypsin Pretreatment and Growth Factor–Functionalized Self-assembling Peptide Hydrogel Scaffold in an Equine Model. *The American Journal of Sports Medicine*. 2021. 10.1177/03635465211021798
- The expression of substance P and calcitonin gene-related peptide is associated with the severity of tendon degeneration in lateral epicondylitis. *BMC Musculoskeletal Disorders*. 2021. 10.1186/s12891-021-04067-1
- A pre-market interventional, single-arm clinical investigation of a new topical lotion based on hyaluronic acid and peptides, EGYFILTM, for the treatment of pain and stiffness in soft tissues. *BMC Musculoskeletal Disorders*. 2023. 10.1186/s12891-023-06903-y
- Effects of the Combination of Microfracture and Self-Assembling Peptide Filling on the Repair of a Clinically Relevant Trochlear Defect in an Equine Model. *Journal of Bone and Joint Surgery*. 2014. 10.2106/jbjs.m.01408
Evidence & references
This is the clinical evidence summary written for health professionals. It is technical, and it lists the research this page was built from. You do not need to read it to understand your treatment or to make a decision about it.
Overview¶
- Injectable peptide therapy may possess significant therapeutic and regenerative potential [1].
- There is a current lack of evidence to support the clinical use of injectable peptides [1].
- Injectable peptides for sports medicine remain largely experimental [4].
- Peptide supplements should not currently be recommended as a replacement or adjunct for existing orthopaedic standard of care due to the lack of robust efficacy and safety data [2].
- Peptides are being widely advertised and sold through social media, often with exaggerated claims and minimal regulatory oversight [6].
- Loss of function in musculoskeletal tissues initiates from either a failure of the cells that produce and maintain the extracellular matrix (ECM) or as a consequence of material failure of the ECM itself [13].
- Advances in the identification of candidate therapeutic cell populations and the development of new biomaterials have occurred over the last three decades to address degenerative processes in musculoskeletal tissues [13].
- Therapeutic cell populations and new biomaterials can be applied alone or in combination to promote healing that alters the trajectory of disease or potentially replace an entire tissue when damage has progressed to later stages [13].
- The use of BMP currently has two FDA-approved indications: treatment of open tibial fractures treated with intramedullary fixation and treatment of tibia long bone non-union [8].
- Only BMP-2 and BMP-7 can be recommended based on level I studies [5].
- GLP-1 agonists may not produce sufficient weight loss to achieve body mass index cutoffs for total joint arthroplasty depending on individual patient factors, including starting bodyweight [7].
How It Works¶
- Peptide therapy may possess significant therapeutic and regenerative potential [1].
- There is a current lack of evidence to support the clinical use of peptides in orthopaedic and sports medicine [1].
- Robust efficacy and safety data for peptide supplements are currently lacking [2].
- Peptide supplements should not currently be recommended as a replacement or adjunct for existing orthopaedic standard of care [2].
- BMP-2 and BMP-7 are the only growth factors that can be recommended based on level I studies [5].
- BMP currently has two FDA-approved indications: treatment of open tibial fractures treated with intramedullary fixation and treatment of tibia long bone non-union [8].
- Therapeutic strategies for microfracture augmentation using growth factor–functionalized self-assembling peptide hydrogel scaffolds can be cost-effective ways to improve cartilage healing outcomes [9].
- BMP-7 application significantly enhances the quality of tendon-to-bone healing by promoting structural maturation and functional stability in a rat rotator cuff tear model [10].
- GHRP-2 administration reduced M1 macrophage polarization and enhanced histologic and biomechanical tendon-bone healing properties in a rat rotator cuff tear model [11].
- Exosomes offer a promising cell-free alternative to mesenchymal stem cell therapies for upper-extremity tissue regeneration by overcoming limitations such as donor-site morbidity and tumorigenesis [12].
- A better understanding of exosome mechanisms and standardized isolation methods is required before clinical application [12].
What the Evidence Shows¶
Current Clinical Status and Recommendations¶
- Orthopaedic and sports medicine providers must understand the current lack of evidence to support the clinical use of peptide therapy [1].
- The use of BPC-157 for sports performance and recovery is not recommended because there are no randomized controlled trials investigating its use in human subjects [14].
- The science is lacking to determine the overall effectiveness, safety profile, and clinical indications for BPC-157 in sports enhancement in athletes [14].
Regulatory and Commercial Context¶
- Various materials are on the market for which no clinical or experimental long-term data on soft tissue or bone reaction is available [18].
Specific Peptide Applications and Outcomes¶
- EGYFIL is safe and seems to reduce pain and stiffness in patients during the 3 days of treatment, already after 3 h from the first application [15].
- Treatment of trochlear defects with only KLD or with only microfracture resulted in an improvement in clinical symptoms compared with no treatment in an equine model [17].
- Therapeutic strategies for microfracture augmentation, such as those using trypsin pretreatment and growth factor–functionalized self-assembling peptide hydrogel scaffolds, can be cost-effective ways to improve cartilage healing outcomes in an equine model [9].
Adjunctive Therapies¶
Practical Considerations¶
- Orthopaedic and sports medicine providers must understand the current lack of evidence supporting the clinical use of peptide therapies [1].
- Peptides are widely advertised and sold through social media, often with exaggerated claims and minimal regulatory oversight [6].
- Therapeutic strategies for microfracture augmentation, such as those using trypsin pretreatment and growth factor–functionalized self-assembling peptide hydrogel scaffolds, can be cost-effective ways to improve cartilage healing outcomes [9].
Key Evidence¶
- [L5] While peptide therapy may possess significant therapeutic and regenerative potential, it is critical that orthopaedic and sports medicine providers understand the current lack of evidence to support the clinical use of these peptides. [1] (10.1177/03635465251357593)
- [L5] Because of the lack of robust efficacy and safety data, peptide supplements should not currently be recommended as a replacement or adjunct for existing orthopaedic standard of care. [2] (10.1177/03635465261464420)
- [L5] Injectable peptides for sports medicine remain largely experimental. [4] (10.2106/jbjs.rvw.26.00027)
- [Paper] Today only BMP-2 and BMP-7 can be recommended based on level I studies. [5] (10.1016/s0020-1383(08)70014-7)
- [Paper] Peptides are being widely advertised and sold through social media, often with exaggerated claims and minimal regulatory oversight. [6] (10.1177/2325967126s00290)
- [Paper] While efficacious, GLP-1 agonists may not produce sufficient weight loss to achieve body mass index cutoffs for total joint arthroplasty depending on individual patient factors, including starting bodyweight. [7] (10.2106/jbjs.rvw.23.00167)
- [Paper] The use of BMP currently has two FDA-approved indications: treatment of open tibial fractures treated with intramedullary fixation and treatment of tibia long bone non-union. [8] (10.1016/s0020-1383(13)70008-1)
- [L5] Therapeutic strategies for microfracture augmentation, such as those presented in this study, can be cost-effective ways to improve cartilage healing outcomes. [9] (10.1177/03635465211021798)
- [L5] BMP-7 application significantly enhances the quality of tendon-to-bone healing by promoting structural maturation and functional stability. [10] (10.1016/j.jse.2026.04.003)
- [L5] GHRP-2 administration reduced M1 macrophage polarization and enhanced histologic and biomechanical tendon-bone healing properties in a rat rotator cuff tear model. [11] (10.1016/j.arthro.2024.11.094)
- [L5] Exosomes offer a promising cell-free alternative to mesenchymal stem cell therapies for upper-extremity tissue regeneration by overcoming limitations such as donor-site morbidity and tumorigenesis, though a better understanding of their mechanisms and standardized isolation methods is required before clinical application. [12] (10.1016/j.jhsa.2023.11.016)
- [L5] The authors do not recommend the use of BPC-157 for sports performance and recovery because there are no randomized controlled trials investigating its use in human subjects, and the science is clearly lacking to determine the overall effectiveness, safety profile, and clinical indications for sports enhancement in athletes. [14] (10.1016/j.arthro.2024.09.005)
- [L4] EGYFIL is safe and seems to reduce pain and stiffness in patients during the 3 days of treatment, already after 3 h from the first application. [15] (10.1186/s12891-023-06903-y)
- [L5] Treatment of defects with only KLD or with only microfracture resulted in an improvement in clinical symptoms compared with no treatment; the improvement likely resulted from different causes depending on the treatment. [17] (10.2106/jbjs.m.01408)
- [Paper] However, various materials are on the market for which no clinical or experimental long-term data on soft tissue or bone reaction is available. [18] (10.1016/s0020-1383(02)00128-6)
References¶
[1] Injectable Peptide Therapy: A Primer for Orthopaedic and Sports Medicine Physicians. The American Journal of Sports Medicine. 2026. DOI: 10.1177/03635465251357593
[2] Peptide Supplements and Their Therapeutic Applications in Sports Medicine. The American Journal of Sports Medicine. 2026. DOI: 10.1177/03635465261464420
[4] Injectable Peptides in Sports Medicine: A Structured Narrative Review of Evidence, Safety, and Antidoping Implications. JBJS Reviews. 2026. DOI: 10.2106/jbjs.rvw.26.00027
[5] Carrier systems and application of growth factors in orthopaedics. Injury. 2008. DOI: 10.1016/s0020-1383(08)70014-7
[6] Paper 32. Performance & Promises: A Social Media Review of Alleged Indications, Risks and Usage of “Peptides” in Musculoskeletal Health. Orthopaedic Journal of Sports Medicine. 2026. DOI: 10.1177/2325967126s00290
[7] Glucagon-like Peptide-1 Agonists. JBJS Reviews. 2024. DOI: 10.2106/jbjs.rvw.23.00167
[8] Clinical applications of growth factors in bone injuries: Experience with BMPs. Injury. 2013. DOI: 10.1016/s0020-1383(13)70008-1
[9] Microfracture Augmentation With Trypsin Pretreatment and Growth Factor–Functionalized Self-assembling Peptide Hydrogel Scaffold in an Equine Model. The American Journal of Sports Medicine. 2021. DOI: 10.1177/03635465211021798
[10] Effects of BMP-7 and Low Molecular Weight Peptide Solution on Healing in a Rotator Cuff Tear Model: A Histopathological and Biomechanical Study in Rats. Journal of Shoulder and Elbow Surgery. 2026. DOI: 10.1016/j.jse.2026.04.003
[11] Growth Hormone–Releasing Peptide 2 May Be Associated With Decreased M1 Macrophage Production and Increased Histologic and Biomechanical Tendon‐Bone Healing Properties in a Rat Rotator Cuff Tear Model. Arthroscopy. 2024. DOI: 10.1016/j.arthro.2024.11.094
[12] The Role of Exosomes in Upper-Extremity Tissue Regeneration. The Journal of Hand Surgery. 2024. DOI: 10.1016/j.jhsa.2023.11.016
[13] Orthopaedic Basic Science Fifth Edition Print Ebook. Cells and Materials for Soft-Tissue Repair and Regeneration > Introduction.
[14] Injectable Therapeutic Peptides—An Adjunct to Regenerative Medicine and Sports Performance?. Arthroscopy. 2024. DOI: 10.1016/j.arthro.2024.09.005
[15] A pre-market interventional, single-arm clinical investigation of a new topical lotion based on hyaluronic acid and peptides, EGYFILTM, for the treatment of pain and stiffness in soft tissues. BMC Musculoskeletal Disorders. 2023. DOI: 10.1186/s12891-023-06903-y
[17] Effects of the Combination of Microfracture and Self-Assembling Peptide Filling on the Repair of a Clinically Relevant Trochlear Defect in an Equine Model. Journal of Bone and Joint Surgery. 2014. DOI: 10.2106/jbjs.m.01408
[18] Biodegradable implants in soft tissue refixation: Experimental evaluation, clinical experience, and future needs. Injury. 2002. DOI: 10.1016/s0020-1383(02)00128-6