| MSMResearch score 36/100 · Limited | 1 systematic review/meta-analysis + 1 randomised trial — 2 studies | 1/3 outcomes showed benefit- Pain in knee osteoarthritis, MSM vs placeboReported a benefit — measurement not reportedbenefit2008 study ↗
Exact figuresn=168 · Follow-up: Not reported · Sample (as reported): 168 · Recorded unit: Not reported · Systematic review of the nutritional supplements dimethyl sulfoxide (DMSO) and methylsulfonylmethane (MSM) in the treatment of osteoarthritis. · Systematic Review · systematic-review · PMID 18417375 - Knee Osteoarthritis Outcome Score (KOOS)No clear benefit found — measurement not reportedno benefit2017 study ↗
Exact figuresn=180 · Follow-up: 8 weeks · Sample (as reported): 180 · Recorded unit: Not reported · A randomized controlled trial evaluating methylsulfonylmethane versus placebo to prevent knee pain in military initial entry trainees. · Randomized Controlled Trial · rct · PMID 29214616 - Profile of Moods States (POMS)No clear benefit found — measurement not reportedno benefit2017 study ↗
Exact figuresn=180 · Follow-up: 8 weeks · Sample (as reported): 180 · Recorded unit: Not reported · A randomized controlled trial evaluating methylsulfonylmethane versus placebo to prevent knee pain in military initial entry trainees. · Randomized Controlled Trial · rct · PMID 29214616
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| Turmeric CurcuminResearch score 38/100 · Limited | 1 systematic review/meta-analysis + 1 randomised trial — 2 studies | 4/7 outcomes showed benefit- Knee pain on visual analogue scale (VAS) — a 0-100 rating scale9.1 mm lowerbenefit2020 study ↗
Exact figures-9.1 mm (95% CI, -17.8 to -0.4 mm [P = 0.039]) n=70 · Follow-up: 12 weeks · Sample (as reported): 70 · Recorded unit: mm · Effectiveness of Curcuma longa Extract for the Treatment of Symptoms and Effusion-Synovitis of Knee Osteoarthritis : A Randomized Trial. · Randomized Controlled Trial · rct · PMID 32926799 - WOMAC knee pain — a knee/hip arthritis questionnaire47.2 mm lowerbenefit2020 study ↗
Exact figures-47.2 mm (CI, -81.2 to -13.2 mm; P = 0.006) n=70 · Follow-up: 12 weeks · Sample (as reported): 70 · Recorded unit: mm · Effectiveness of Curcuma longa Extract for the Treatment of Symptoms and Effusion-Synovitis of Knee Osteoarthritis : A Randomized Trial. · Randomized Controlled Trial · rct · PMID 32926799 - Visual Analog Scale (VAS) and WOMAC scores (pain, function, stiffness) — a knee/hip arthritis questionnaireReported a benefit — measurement not reportedbenefit2021 study ↗
Exact figuresn=1621 · Follow-up: more than 12 weeks · Sample (as reported): 1621 · Recorded unit: Not reported · The efficacy and safety of Curcuma longa extract and curcumin supplements on osteoarthritis: a systematic review and meta-analysis. · Meta-Analysis · meta-analysis · PMID 34017975 - Joint pain, function, and stiffnessNo clear benefit found — measurement not reportedno benefit2021 study ↗
Exact figuresn=1621 · Follow-up: more than 12 weeks · Sample (as reported): 1621 · Recorded unit: Not reported · The efficacy and safety of Curcuma longa extract and curcumin supplements on osteoarthritis: a systematic review and meta-analysis. · Meta-Analysis · meta-analysis · PMID 34017975 +3 more outcomes → |
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| GingerResearch score 0/100 · Mixed/Weak | 1 systematic review/meta-analysis — 1 study | 0/4 outcomes showed benefit- Pain (capsules vs placebo)No clear difference (7.88 mm lower)no benefit2020 study ↗
Exact figures-7.88 mm (95% confidence interval (CI), 11.92 to 3.85 (P = 0.00)) · Follow-up: Not reported · Sample (as reported): Not reported · Recorded unit: mm · Effectiveness of Ginger on Pain and Function in Knee Osteoarthritis: A PRISMA Systematic Review and Meta-Analysis. · Meta-Analysis · meta-analysis · PMID 32214292 - Pain (topical ginger vs standard treatment)No clear difference (moderate standardised effect)no benefit2020 study ↗
Exact figures0.79 mm (95% CI, -1.97 to 0.39 (P = 0.19)) · Follow-up: Not reported · Sample (as reported): Not reported · Recorded unit: Not reported · Effectiveness of Ginger on Pain and Function in Knee Osteoarthritis: A PRISMA Systematic Review and Meta-Analysis. · Meta-Analysis · meta-analysis · PMID 32214292 - Knee function (capsules vs placebo)No clear difference (large standardised effect)no benefit2020 study ↗
Exact figures-1.61 points (95% CI, -4.30 to -1.09 (P = 0.24)) · Follow-up: Not reported · Sample (as reported): Not reported · Recorded unit: Not reported · Effectiveness of Ginger on Pain and Function in Knee Osteoarthritis: A PRISMA Systematic Review and Meta-Analysis. · Meta-Analysis · meta-analysis · PMID 32214292 - Knee function (topical ginger vs standard treatment)No clear difference (moderate standardised effect)no benefit2020 study ↗
Exact figures-0.51 points (95% CI, -1.15 to 0.13 (P = 0.12)) · Follow-up: Not reported · Sample (as reported): Not reported · Recorded unit: Not reported · Effectiveness of Ginger on Pain and Function in Knee Osteoarthritis: A PRISMA Systematic Review and Meta-Analysis. · Meta-Analysis · meta-analysis · PMID 32214292
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| Omega 3Research score 10/100 · Mixed/Weak | 1 systematic review/meta-analysis — 1 study | 1/5 outcomes showed benefit- Swollen joint countNo clear difference (negligible standardised effect)no benefit2012 study ↗
Exact figures-0.170 (95% CI-0.454-0.114, p = 0.241) · Follow-up: 3 months · Sample (as reported): Not reported · Recorded unit: Not reported · Omega-3 polyunsaturated fatty acids and the treatment of rheumatoid arthritis: a meta-analysis. · Meta-Analysis · meta-analysis · PMID 22835600 - Tender joint countNo clear difference (slight standardised effect)no benefit2012 study ↗
Exact figures-0.214 (95% CI-0.489-0.062, p = 0.128) · Follow-up: 3 months · Sample (as reported): Not reported · Recorded unit: Not reported · Omega-3 polyunsaturated fatty acids and the treatment of rheumatoid arthritis: a meta-analysis. · Meta-Analysis · meta-analysis · PMID 22835600 - NSAID consumptionModerately better than the comparison group (moderate effect)benefit2012 study ↗
Exact figures-0.518 (95% CI -0.915 to -0.121, p = 0.011) · Follow-up: 3 months · Sample (as reported): Not reported · Recorded unit: Not reported · Omega-3 polyunsaturated fatty acids and the treatment of rheumatoid arthritis: a meta-analysis. · Meta-Analysis · meta-analysis · PMID 22835600 - Morning stiffnessNo clear difference (slight standardised effect)no benefit2012 study ↗
Exact figures-0.224 (95% CI-0.955-0.212, p = 0.221) · Follow-up: 3 months · Sample (as reported): Not reported · Recorded unit: Not reported · Omega-3 polyunsaturated fatty acids and the treatment of rheumatoid arthritis: a meta-analysis. · Meta-Analysis · meta-analysis · PMID 22835600 +1 more outcome → |
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| Collagen PeptidesResearch score 27/100 · Mixed/Weak | 1 randomised trial — 1 study | 3/5 outcomes showed benefit- Activity-related pain intensity (participant assessment)Improved by 19.5 vs 13.9 with placebo, unit not reportedbenefit2017 study ↗
Exact figuresΔVASBCP = 19.5; ΔVASPlacebo = 13.9 (p = 0.046) n=139 · Follow-up: 12 weeks · Sample (as reported): 139 · Recorded unit: Not reported · Improvement of activity-related knee joint discomfort following supplementation of specific collagen peptides. · Randomized Controlled Trial · rct · PMID 28177710 - Activity-related pain intensity (physician assessment)Improved by 16.7 vs 12.2 with placebo, unit not reportedbenefit2017 study ↗
Exact figuresΔVASBCP = 16.7; ΔVASPlacebo = 12.2 (p = 0.021) n=139 · Follow-up: 12 weeks · Sample (as reported): 139 · Recorded unit: Not reported · Improvement of activity-related knee joint discomfort following supplementation of specific collagen peptides. · Randomized Controlled Trial · rct · PMID 28177710 - Pain intensity under resting conditionsNo clear difference (improved by 10.2 vs 7.4 with placebo, unit not reported)no benefit2017 study ↗
Exact figuresΔVASBCP = 10.2; ΔVASPlacebo = 7.4 (p = 0.209) n=139 · Follow-up: 12 weeks · Sample (as reported): 139 · Recorded unit: Not reported · Improvement of activity-related knee joint discomfort following supplementation of specific collagen peptides. · Randomized Controlled Trial · rct · PMID 28177710 - Range of motion of the knee jointNo clear benefit found — measurement not reportedno benefit2017 study ↗
Exact figuresn=139 · Follow-up: 12 weeks · Sample (as reported): 139 · Recorded unit: Not reported · Improvement of activity-related knee joint discomfort following supplementation of specific collagen peptides. · Randomized Controlled Trial · rct · PMID 28177710 +1 more outcome → |
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