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Bone & Joint Health

Tendinitis & Tendon Repair

Reviewed by the Nimbera editorial team · Last updated May 2026

Tendinopathy is pain, stiffness, and weakness in a tendon caused by overuse or repetitive load - common forms include tennis elbow, Achilles tendinitis, patellar (jumper's knee), and rotator cuff tendinopathy. Despite the name 'tendinitis', chronic cases involve failed healing and disorganized collagen rather than active inflammation, which is why rest alone usually fails and progressive loading is the cornerstone of recovery. Most cases improve over 3 to 6 months with a structured loading program.

When to see a doctor

See a doctor urgently if you felt a sudden pop with immediate weakness or inability to bear weight (possible tendon rupture), or if there is significant swelling, bruising, or a visible gap in the tendon. Also seek care if pain persists beyond 6 to 8 weeks of self-care, wakes you at night, or is accompanied by fever, redness, and warmth (possible infection).

Natural remedies · 7

Tap any remedy for the full how-to and citation.

How we rate evidenceâ–¾

Strong - Multiple randomised controlled trials or systematic reviews with consistent positive outcomes.

Moderate - At least one RCT or several high-quality observational studies with plausible mechanisms.

Limited - Small trials, animal studies, or traditional use with limited human clinical evidence.

Sources link directly to PubMed, Cochrane Reviews, or NCCIH.

Eccentric Loading Exercise (Alfredson Protocol)

lifestyle
A 2014 randomized controlled trial (Stevens and Tan, JOSPT) confirmed the Alfredson eccentric heel-drop protocol significantly improved pain and function in midportion Achilles tendinopathy, building on decades of trial evidence establishing eccentric loading as first-line care.
$0-$30 one-time for bands or weights

Heavy Slow Resistance Training

lifestyle
A 2009 randomized controlled trial by Kongsgaard et al. found heavy slow resistance training produced clinical improvement equal to eccentric training in patellar tendinopathy, with greater collagen turnover and higher patient satisfaction.
$10-$50 per month gym membership, or $0 with existing equipment

Specific Collagen Peptides (with Loading Program)

ingestible
A 2019 randomized crossover pilot by Praet et al. (Nutrients) found that specific collagen peptides combined with a calf-strengthening program accelerated the reduction in pain and improvement in VISA-A function scores in chronic Achilles tendinopathy versus placebo plus exercise.
$15-$35 per month

Vitamin C-Enriched Gelatin (Pre-Exercise Timing)

ingestible
A 2017 randomized trial by Shaw et al. (American Journal of Clinical Nutrition) found that 15 g of vitamin C-enriched gelatin taken 1 hour before exercise doubled blood markers of collagen synthesis compared with placebo.
$10-$20 per month

Progressive Load Management (Avoid Rest and Steroid Shots)

lifestyle
A 2013 JAMA randomized controlled trial by Coombes et al. found corticosteroid injection for tennis elbow produced worse outcomes and higher recurrence at 1 year than placebo, reinforcing that graded loading and activity modification - not complete rest or steroid shots - drive lasting recovery.
$0, or the cost of a physiotherapy consult

Curcumin (Bioavailable Turmeric Extract)

ingestible
A 2014 randomized placebo-controlled trial by Drobnic et al. found a bioavailable curcumin reduced exercise-induced muscle soreness and inflammation, and lab studies show curcumin suppresses inflammatory signaling in tendon cells - but direct tendinopathy trials are still lacking.
$15-$30 per month

Omega-3 Fish Oil (EPA/DHA)

ingestible
A 2022 controlled animal study found that omega-3 supplementation combined with exercise reduced markers of collagenase-induced Achilles tendinopathy, and omega-3s are established modulators of inflammation - though robust human tendinopathy trials are still limited.
$15-$35 per month

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Remedy information is compiled from primary clinical sources including PubMed, the Cochrane Library, and the National Center for Complementary and Integrative Health (NCCIH). Evidence ratings reflect published human trial data at time of writing. This content is for informational purposes only and is not a substitute for professional medical advice. Read our full disclaimer.