Nutritional Supplements for Musculoskeletal Health Info Evidence
Reviewed by Dr Kieran Hirpara, Specialist Orthopaedic Surgeon Last reviewed
What it is
Nutritional supplements are vitamins, minerals, or other substances you take to support your body’s healing and strength. Think of them as extra building blocks for your bones, muscles, and joints. While a balanced diet is the foundation, these supplements can provide specific nutrients that help your body recover from injury or surgery more effectively.
Your doctor may recommend these supplements if you are older, unable to exercise regularly, or preparing for joint replacement or fracture repair. For example, protein supplements can help protect your muscles from wasting away after surgery. Specific nutrients like glucosamine and chondroitin sulfate are often used to manage wear-and-tear arthritis. They have a strong safety record and may help reduce pain and improve how well your joints move.
These supplements work by targeting specific areas of need. Some, like n-3 polyunsaturated fatty acids, help calm inflammation and ease joint pain. Others, such as collagen and hyaluronic acid, may support the repair of ligaments and cartilage after injuries like an anterior cruciate ligament reconstruction. By providing your body with the right tools, these supplements can help shorten the time it takes to return to your normal activities and reduce your reliance on pain medication.
Does it work?
Nutritional supplements can support your recovery, but the results depend on what you are treating and when you take them. For older patients, especially those who cannot exercise, vitamin D and whey protein may help maintain muscle strength. After a hip fracture, balanced nutrition and dietetic support can lower the risk of complications and improve survival rates.
For joint replacement and ligament surgery, protein and amino acids are key. Taking these supplements helps prevent muscle loss after surgery. This may reduce the risk of falls and fractures later on. Some evidence also shows that targeted nutrition before surgery can help you regain function faster. However, the effect on muscle strength varies between individuals.
If you have wear-and-tear arthritis, glucosamine and chondroitin may relieve pain and improve stiffness. Omega-3 fatty acids can also help with joint function. These options have a good safety profile. We do not yet know if they stop the arthritis from worsening long-term, so questions remain about their lasting effects.
Specific injuries respond differently. Collagen supplements may help you return to activity sooner after an anterior cruciate ligament reconstruction or meniscus injury. They might also reduce your need for painkillers. However, creatine does not appear to help during the first 12 weeks of rehabilitation after such surgery.
Overall, supplements are a low-risk addition to your care. They work best when combined with physical therapy and a balanced diet. Your doctor will advise you on what is appropriate for your specific situation.
What are the risks?
Most nutritional supplements carry a low risk of side effects. You may notice mild stomach upset, bloating, or changes in your bowel habits. These effects are usually short-lived and settle as your body adjusts. Some people find that taking supplements with food helps reduce these minor discomforts.
Specific supplements have their own profiles. Glucosamine and chondroitin sulfate have an excellent safety record. However, unanswered questions remain about their long-term effects and the correct dosage for everyone. This means we cannot give a definitive endorsement for every patient. Omega-3 fatty acids (n-3 PUFAs) are generally well-tolerated but can sometimes cause a fishy aftertaste or mild indigestion.
Collagen-based supplements are also low-risk. You might experience mild digestive issues. We integrate these into your care plan to support tissue repair, but individual reactions vary. If you are taking other medications, such as blood thinners, please tell us. Some supplements can interact with prescription drugs.
Serious risks are rare. You do not need to worry about severe allergic reactions with standard nutritional supplements unless you have a known allergy to the source ingredient, such as shellfish for glucosamine. There is no evidence of harm to your liver or kidneys from standard doses.
One specific risk involves timing. Patients do not benefit from creatine supplementation during the first 12 weeks of rehabilitation after anterior cruciate ligament reconstruction. Taking it too early may not help your recovery and could add unnecessary cost.
We monitor your progress closely. If you experience persistent pain, swelling, or unusual symptoms, contact us immediately. These are not typical side effects of nutritional support. Your doctor will review any new symptoms to ensure they are not related to your surgery or underlying condition.
Standardisation of nutritional protocols is still evolving. Some patients struggle with adherence to complex regimens. We keep your plan simple and practical. This reduces the chance of missed doses or confusion.
Nutritional supplementation is a low-risk intervention. It supports your body’s natural healing processes. Most people tolerate it well. We choose supplements based on your specific needs and the latest evidence. This approach minimises potential issues while maximising benefits.
If you have concerns about specific ingredients, discuss them with us before starting. We can adjust your plan to suit your lifestyle and health history. Your safety and comfort are our priority.
Is it right for you?
Nutritional supplements may benefit you if you are an older adult unable to exercise, or if you are preparing for total joint replacement. Specific forms, such as protein or amino acids, can support muscle strength and reduce the risk of falls. For knee wear-and-tear arthritis, glucosamine and chondroitin sulfate may help reduce pain and improve function. These options are often safe and may serve as an initial treatment.
However, supplements are not a guaranteed fix. Evidence for long-term benefits remains incomplete, and unanswered questions regarding dosage preclude a definitive endorsement for everyone. They work best as part of a broader plan, such as physical therapy or prehabilitation, rather than as a standalone cure. For spine surgery patients, inconsistent protocols and adherence issues can limit effectiveness.
Compared to other treatments, supplements offer a low-risk way to support your body’s healing. They may shorten the time to return to activity after ligament reconstruction and reduce the need for pain medication. While they do not replace surgery or exercise, they can complement these approaches. Your doctor will help you decide if this shared decision is right for your specific condition.
We consider these supplements a reasonable option for symptomatic osteoarthritis if they fit your care plan. They are easy to incorporate into daily management and may lower the risk of complications. For acute cartilage injuries, certain supplements might help protect cartilage from further damage. Always discuss your choices with your doctor to ensure they align with your overall health goals.
The bottom line
Nutritional supplements can support your recovery and manage joint pain, but they are not a standalone cure. Protein and specific amino acids may help rebuild muscle strength after surgery, while glucosamine and chondroitin might ease osteoarthritis symptoms with few side effects. We recommend discussing these options with your doctor to see if they fit your plan. Remember that results vary, and supplements work best alongside physical therapy and a balanced diet.
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
- Specific nutritional supplementation alone may benefit geriatric patients, particularly those unable to exercise [1].
- Intravenous protein or amino acid supplementation offers benefits for patients undergoing total joint arthroplasty, although effects on muscle strength and function are mixed [2].
- Glucosamine and chondroitin sulfate have an excellent safety profile [3].
- Glucosamine and chondroitin sulfate may serve as an initial treatment modality for many osteoarthritis patients [3].
- Adjuvant oral supplementation containing collagen, hyaluronic acid, chondroitin sulfate, and plasma proteins may increase the efficacy of physical therapy after anterior cruciate ligament reconstruction by shortening the time needed to return to pre-injury activity and reducing analgesic consumption [4].
- Evidence supports the efficacy of glucosamine sulfate in reducing pain, improving function, and possibly regulating joint damage in knee osteoarthritis [5].
- Glucosamine sulfate has potential to relieve pain and improve function with low side effects, but unanswered questions regarding long-term effects and dosage preclude a definitive endorsement [6].
- The lack of substantial evidence currently prevents a ringing endorsement of glucosamine and chondroitin sulfate agents [6].
- Nutritional supplementation markedly reduces hospital costs by reducing rates of ICU admissions, hospital-associated complications, and hospital-acquired infections in orthopaedic surgery [7].
- If cost is not prohibitive, glucosamine and chondroitin sulfate products may be considered reasonable treatment options as part of a multimodal approach for symptomatic primary osteoarthritis of the hand [8].
- Supplementation of n-3 polyunsaturated fatty acids is effective to relieve pain and improve joint function in patients with osteoarthritis [9].
- Conditionally essential amino acid supplementation has a protective effect against common complications and early skeletal muscle wasting after operative fixation of extremity and pelvic fractures [10].
- Perioperative nutritional optimization is associated with improved outcomes for patients undergoing spine surgery [23].
- Additional investigation is needed to determine effective perioperative nutritional protocols for spine surgery [23].
- Substantial barriers to nutritional optimization in spine surgery include inconsistent protocols and patient nonadherence, highlighting the need for multifactorial assessment and standardization of multidisciplinary nutritional protocols [17].
How It Works
- Intravenous protein or amino acid supplementation offers benefits for total joint arthroplasty, although effects on muscle strength and function are mixed [2].
- Glucosamine and chondroitin sulfate have an excellent safety profile and may serve as an initial treatment modality for many osteoarthritis patients [3].
- Adjuvant oral supplementation containing collagen, hyaluronic acid, chondroitin sulfate, and plasma proteins may increase the efficacy of physical therapy by shortening the time needed to return to pre-injury activity and reducing analgesic consumption after anterior cruciate ligament reconstruction [4].
- Glucosamine sulfate may have a synergic action with non-steroidal anti-inflammatory drugs for the treatment of knee osteoarthritis [5].
- Evidence supports glucosamine sulfate efficacy in reducing pain, improving function, and possibly regulating joint damage in knee osteoarthritis [5].
- Nutritional supplementation markedly reduces hospital costs by reducing rates of ICU admissions, hospital-associated complications, and hospital-acquired infections [7].
- Glucosamine and chondroitin sulfate products may be considered reasonable treatment options as part of a multimodal approach for symptomatic primary osteoarthritis if the cost is not prohibitive [8].
- Protein supplementation is a low-cost intervention that is easy to incorporate into perioperative management for total knee arthroplasty [11].
- Protein supplementation has beneficial effects on muscle strength that could potentially reduce the risk of longer-term complications, such as falls and periprosthetic fracture, after total knee arthroplasty [11].
- Integrating targeted nutrition into prehabilitation pathways may help reduce complications and support faster functional gains in total joint arthroplasty [12].
- Omega-3 fatty acids protect cartilage from acute injuries by reducing the mechanical sensitivity of chondrocytes [13].
- EPA supplementation could offer a promising strategy for preventing post-traumatic osteoarthritis progression following acute cartilage injuries [13].
- Protein supplementation appears to have beneficial effects on mitigating muscle atrophy in the postoperative period following anterior cruciate ligament reconstruction, total hip arthroplasty, total knee arthroplasty, and surgical treatment of hip fracture [14].
- An eight-week collagen-based supplement containing type I and type III collagen peptide and type II hydrolyzed collagen had a positive effect on pain and quality of life levels and some functional test results in patients with meniscopathy [16].
What the Evidence Shows
Osteoarthritis Management
- Glucosamine sulfate has the potential to relieve pain and improve function with low side effects [6].
- Unanswered questions regarding long-term effects and dosage of glucosamine sulfate preclude a definitive endorsement [6].
- A lack of substantial evidence currently prevents a ringing endorsement of glucosamine and chondroitin agents [6].
- If cost is not prohibitive, glucosamine and chondroitin products may be considered reasonable treatment options as part of a multimodal approach for symptomatic primary osteoarthritis [8].
- Oral chondroitin is more effective than placebo on relieving pain and improving physical function in osteoarthritis [19].
- Glucosamine showed an effect on stiffness outcomes in osteoarthritis [19].
- Supplementation of n-3 polyunsaturated fatty acids (omega-3 PUFAs) is effective to relieve pain and improve joint function in patients with osteoarthritis [9].
Perioperative and Postoperative Supplementation
- Specific nutritional supplementation alone might benefit geriatric patients, especially those unable to exercise [1].
- While effects on muscle strength and function are mixed, intravenous protein or amino acid supplementation offers benefits in total joint arthroplasty [2].
- Conditionally essential amino acid (CEAA) supplementation has a protective effect against common complications and early skeletal muscle wasting after operative fixation of extremity and pelvic fractures [10].
- Beneficial effects of protein supplementation on muscle strength could potentially reduce the risk of longer-term complications, such as falls and periprosthetic fracture, after total knee arthroplasty [11].
- Protein supplementation appears to have beneficial effects on mitigating muscle atrophy in the postoperative period following ACL reconstruction, total hip arthroplasty, total knee arthroplasty, and surgical treatment of hip fracture [14].
- Oral nutritional supplementation and dietetic assistance represent low-risk interventions that may improve morbidity and mortality in hip fracture aftercare for older people [15].
- A comprehensive balanced nutrition supplement resulted in lower complication rates and mortality at 120 days postoperatively for hip fracture patients [20].
Specific Supplement Efficacy and Limitations
- An eight-week collagen-based supplement had a positive effect on pain and quality of life levels and some functional test results in patients with meniscopathy [16].
- Patients do not benefit from creatine supplementation during the first 12 weeks of rehabilitation after anterior cruciate ligament reconstruction [21].
Practical Considerations
- Adjuvant oral supplementation containing collagen, hyaluronic acid, chondroitin sulfate, and plasma proteins may increase the efficacy of physical therapy after anterior cruciate ligament reconstruction by shortening the time to return to pre-injury activity [4].
- Adjuvant oral supplementation containing collagen, hyaluronic acid, chondroitin sulfate, and plasma proteins may reduce analgesic consumption after anterior cruciate ligament reconstruction [4].
- Evidence supports the efficacy of glucosamine sulfate in reducing pain and improving function in knee osteoarthritis [5].
- Glucosamine sulfate may possibly regulate joint damage in knee osteoarthritis [5].
- Glucosamine sulfate has potential to relieve pain and improve function with low side effects in osteoarthritis [6].
- Lack of substantial evidence currently prevents a ringing endorsement of glucosamine and chondroitin sulfate agents [6].
- If cost is not prohibitive, glucosamine and chondroitin sulfate may be considered reasonable treatment options as part of a multimodal approach for symptomatic primary osteoarthritis of the hand [8].
- Protein supplementation after total knee arthroplasty has beneficial effects on muscle strength [11].
- Beneficial effects of protein supplementation on muscle strength after total knee arthroplasty could potentially reduce the risk of longer-term complications such as falls and periprosthetic fracture [11].
- Oral nutritional supplementation and dietetic assistance represent low-risk interventions that may improve morbidity and mortality in older people after hip fracture [15].
- Substantial barriers to nutritional optimization in spine surgery include inconsistent protocols and patient nonadherence [17].
- Standardization of multidisciplinary nutritional protocols is needed in spine surgery [17].
- Use of low-cost commercially available amino acid supplementation resulted in fewer overall complications postoperatively [18].
- Amino acid supplementation is a low-risk intervention for the patient population studied [18].
Key Evidence
- [L1] This study shows proof-of-principle that specific nutritional supplementation alone might benefit geriatric patients, especially relevant for those who are unable to exercise. [1] (10.1016/j.jamda.2015.05.021)
- [L1] While effects on muscle strength and function are mixed, intravenous supplementation offers benefits. [2] (10.1186/s13018-025-05847-4)
- [L2] The excellent safety profile of these supplements should be discussed with patients, and they may serve a role as an initial treatment modality for many OA patients. [3] (10.1016/j.arthro.2008.07.020)
- [L1] Adjuvant oral supplementation may increase the efficacy of physical therapy by shortening the time needed to return to pre-injury activity and the analgesic consumption. [4] (10.1177/2325967118s00040)
- [L4] The evidence supports efficacy in reducing pain, improving function, and possibly regulating joint damage. [5] (10.1186/s12891-022-06046-6)
- [L5] The authors conclude that while glucosamine sulfate has potential to relieve pain and improve function with low side effects, unanswered questions regarding long-term effects and dosage preclude a definitive endorsement, and the lack of substantial evidence currently prevents a ringing endorsement of these agents. [6] (10.5435/00124635-200109000-00009)
- [L4] Nutritional supplementation has been shown to markedly reduce hospital costs by reducing rates of ICU admissions, hospital-associated complications, and hospital-acquired infections. [7] (10.5435/jaaos-d-23-00300)
- [L4] If the cost is not prohibitive, these products may be considered reasonable treatment options as part of a multimodal approach for symptomatic primary osteoarthritis. [8] (10.1016/j.jhsa.2013.05.017)
- [L1] Supplementation of n-3 PUFAs is effective to relieve pain and improve joint function in patients with OA. [9] (10.1186/s13018-023-03855-w)
- [L1] CEAA supplementation has a protective effect against common complications and early skeletal muscle wasting after operative fixation of extremity and pelvic fractures. [10] (10.2106/jbjs.21.01014)
- [L5] Protein supplementation is a low-cost intervention that is easy to incorporate into perioperative management, and the beneficial effects on muscle strength could potentially reduce the risk of longer-term complications, such as falls and periprosthetic fracture. [11] (10.2106/jbjs.22.01357)
- [L4] Integrating targeted nutrition into prehabilitation pathways may help reduce complications and support faster functional gains. [12] (10.1016/j.arth.2026.03.088)
- [L5] The findings suggest that EPA supplementation could offer a promising strategy for preventing PTOA progression following acute cartilage injuries. [13] (10.1186/s13018-024-05081-4)
- [L1] Protein supplementation appears to have beneficial effects on mitigating muscle atrophy in the postoperative period following ACLR, THA, TKA, and surgical treatment of hip fracture. [14] (10.1177/2325967123s00326)
- [L1] However, oral nutritional supplementation and dietetic assistance represent low-risk interventions that may improve morbidity and mortality. [15] (10.1097/corr.0000000000000658)
- [L1] The results of the study showed that the eight-week collagen-based supplement had a positive effect on pain and quality of life levels and some functional test results in patients with meniscopathy. [16] (10.1186/s12891-024-08244-w)
- [L4] Despite these benefits, substantial barriers like inconsistent protocols and patient nonadherence remain, highlighting the need for multifactorial assessment and standardization of multidisciplinary nutritional protocols. [17] (10.5435/jaaos-d-25-00757)
- [L5] The use of the low-cost commercially available amino acid supplement resulted in fewer overall complications postoperatively and was a low-risk intervention for their patient population. [18] (10.2106/jbjs.22.00078)
- [L1] Oral chondroitin is more effective than placebo on relieving pain and improving physical function, while glucosamine showed effect on stiffness outcome. [19] (10.1186/s13018-018-0871-5)
- [L1] The comprehensive balanced nutrition supplement resulted in lower complication rates and mortality at 120 days postoperatively. [20] (10.1097/01.blo.0000224054.86625.06)
- [L1] The results demonstrate that patients do not benefit from creatine supplementation during the first 12 weeks of rehabilitation after ACL reconstruction. [21] (10.1177/0363546503261731)
- [L4] Perioperative nutritional optimization has been associated with improved outcomes for patients undergoing spine surgery, but additional investigation is needed to determine effective perioperative nutritional protocols. [23] (10.5435/jaaos-d-24-01101)
References
[1] Effects of a Vitamin D and Leucine-Enriched Whey Protein Nutritional Supplement on Measures of Sarcopenia in Older Adults, the PROVIDE Study: A Randomized, Double-Blind, Placebo-Controlled Trial. Journal of the American Medical Directors Association. 2015. DOI: 10.1016/j.jamda.2015.05.021
[2] Peri-operative protein or amino acid supplementation for total joint arthroplasty: a systematic review and meta-analysis. Journal of Orthopaedic Surgery and Research. 2025. DOI: 10.1186/s13018-025-05847-4
[3] A Review of Evidence‐Based Medicine for Glucosamine and Chondroitin Sulfate Use in Knee Osteoarthritis. Arthroscopy. 2008. DOI: 10.1016/j.arthro.2008.07.020
[4] Efficacy and Tolerability of a Dietary Supplement Containing Collagen, Hyaluronic Acid, Chondroitin Sulfate and Plasma Proteins in the Recovery After Anterior Cruciate Ligament Reconstruction. Orthopaedic Journal of Sports Medicine. 2018. DOI: 10.1177/2325967118s00040
[5] Possible synergic action of non-steroidal anti-inflammatory drugs and glucosamine sulfate for the treatment of knee osteoarthritis: a scoping review. BMC Musculoskeletal Disorders. 2022. DOI: 10.1186/s12891-022-06046-6
[6] Use of Glucosamine and Chondroitin Sulfate in the Management of Osteoarthritis. Journal of the American Academy of Orthopaedic Surgeons. 2001. DOI: 10.5435/00124635-200109000-00009
[7] The Role of Amino Acid Supplementation in Orthopaedic Surgery. Journal of the American Academy of Orthopaedic Surgeons. 2023. DOI: 10.5435/jaaos-d-23-00300
[8] Glucosamine and Chondroitin Sulfate Treatment of Hand Osteoarthritis. The Journal of Hand Surgery. 2013. DOI: 10.1016/j.jhsa.2013.05.017
[9] Effect of omega-3 polyunsaturated fatty acids supplementation for patients with osteoarthritis: a meta-analysis. Journal of Orthopaedic Surgery and Research. 2023. DOI: 10.1186/s13018-023-03855-w
[10] Conditionally Essential Amino Acid Supplementation Reduces Postoperative Complications and Muscle Wasting After Fracture Fixation. Journal of Bone and Joint Surgery. 2022. DOI: 10.2106/jbjs.21.01014
[11] Nutritional Optimization with Amino Acid Supplementation Aids Recovery After Total Knee Arthroplasty. Journal of Bone and Joint Surgery. 2023. DOI: 10.2106/jbjs.22.01357
[12] Perioperative Nutritional Optimization in Total Joint Arthroplasty: From Screening to Supplementation. The Journal of Arthroplasty. 2026. DOI: 10.1016/j.arth.2026.03.088
[13] Omega-3 fatty acids protect cartilage from acute injurie by reducing the mechanical sensitivity of chondrocytes. Journal of Orthopaedic Surgery and Research. 2024. DOI: 10.1186/s13018-024-05081-4
[14] Poster 363: Post-Operative Protein Supplementation following Orthopaedic Surgery: A Systematic Review. Orthopaedic Journal of Sports Medicine. 2023. DOI: 10.1177/2325967123s00326
[15] Cochrane in CORR®: Nutritional Supplementation for Hip Fracture Aftercare in Older People. Clinical Orthopaedics & Related Research. 2019. DOI: 10.1097/corr.0000000000000658
[16] The effect of supplementation with type I and type III collagen peptide and type II hydrolyzed collagen on pain, quality of life and physical function in patients with meniscopathy: a randomized, double-blind, placebo-controlled study. BMC Musculoskeletal Disorders. 2025. DOI: 10.1186/s12891-024-08244-w
[17] Nutritional Optimization in Spine Surgery: A Review of Its Implications for Postoperative Recovery and Outcomes. Journal of the American Academy of Orthopaedic Surgeons. 2026. DOI: 10.5435/jaaos-d-25-00757
[18] Essential Amino Acid Supplementation: Feed the Injured Patient. Journal of Bone and Joint Surgery. 2022. DOI: 10.2106/jbjs.22.00078
[19] Effectiveness and safety of glucosamine and chondroitin for the treatment of osteoarthritis: a meta-analysis of randomized controlled trials. Journal of Orthopaedic Surgery and Research. 2018. DOI: 10.1186/s13018-018-0871-5
[20] Nutritional Supplementation Decreases Hip Fracture-related Complications. Clinical Orthopaedics and Related Research. 2006. DOI: 10.1097/01.blo.0000224054.86625.06
[21] The Effect of Creatine Supplementation on Strength Recovery after Anterior Cruciate Ligament (ACL) Reconstruction. The American Journal of Sports Medicine. 2004. DOI: 10.1177/0363546503261731
[23] Perioperative Nutritional Optimization in Spine Surgery. Journal of the American Academy of Orthopaedic Surgeons. 2025. DOI: 10.5435/jaaos-d-24-01101
