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BONES, JOINTS & MUSCLESGlucosamine: what the bigtrials found1GAIT (NEJM 2006): pain response placebo 60%,glucosamine 64%, chondroitin 65%, both 67% — nonesignificant2BMJ 2010 (3,803 people): pain improved 0.3–0.5 cm ona 10-cm scale, below the 0.9 cm that mattersclinically3Joint-space change on X-ray same as placebo — no“cartilage repair”4Industry-funded trials showed 0.5 cm more effect thanindependent ones5ACR 2019, OARSI 2019 and NICE 2022 all recommendagainst6What works: exercise therapy and weight loss (each kglost cuts knee load by about 4 kg)Kidney patients: some products carry potassium or sodium; possibleinteraction with warfarin. Fairly safe — just don’t skip theexercise.BBeyond CKDbeyondckd.com/pt/cards/glucosamine-what-trials-foundSources: Clegg DO et al. GAIT · Wandel S et al. Glucosamine/chondroitin network…Compiled from public clinical guidelines · General education, not individual medical advice
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Bones, joints & muscles

Glucosamine: what the big trials found

Ten years on glucosamine? Here’s the NIH 1,583-person trial and the BMJ meta-analysis.

  1. 1GAIT (NEJM 2006): pain response placebo 60%, glucosamine 64%, chondroitin 65%, both 67% — none significant
  2. 2BMJ 2010 (3,803 people): pain improved 0.3–0.5 cm on a 10-cm scale, below the 0.9 cm that matters clinically
  3. 3Joint-space change on X-ray same as placebo — no “cartilage repair”
  4. 4Industry-funded trials showed 0.5 cm more effect than independent ones
  5. 5ACR 2019, OARSI 2019 and NICE 2022 all recommend against
  6. 6What works: exercise therapy and weight loss (each kg lost cuts knee load by about 4 kg)

Kidney patients: some products carry potassium or sodium; possible interaction with warfarin. Fairly safe — just don’t skip the exercise.

Legenda (pronta para colar)

Ten years on glucosamine? Here’s the NIH 1,583-person trial and the BMJ meta-analysis.

1. GAIT (NEJM 2006): pain response placebo 60%, glucosamine 64%, chondroitin 65%, both 67% — none significant
2. BMJ 2010 (3,803 people): pain improved 0.3–0.5 cm on a 10-cm scale, below the 0.9 cm that matters clinically
3. Joint-space change on X-ray same as placebo — no “cartilage repair”
4. Industry-funded trials showed 0.5 cm more effect than independent ones
5. ACR 2019, OARSI 2019 and NICE 2022 all recommend against
6. What works: exercise therapy and weight loss (each kg lost cuts knee load by about 4 kg)

Kidney patients: some products carry potassium or sodium; possible interaction with warfarin. Fairly safe — just don’t skip the exercise.

Fontes: Clegg DO et al. GAIT — N Engl J Med 2006; Wandel S et al. Glucosamine/chondroitin network meta-analysis — BMJ 2010
Verificado em: 2026-10-17

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https://beyondckd.com/pt/cards/glucosamine-what-trials-found
Roteiro de vídeo curto de 60 segundos

Lista de cenas e narração. Vertical 9:16; legendas recomendadas no terço inferior. Cada fala corresponde às fontes na coluna da esquerda.

sTelaNarração
0–5Glucosamine jarAll these years — did it work?
5–25GAIT five barsThe NIH-funded GAIT trial: placebo 60%, glucosamine 64%, chondroitin 65%, both 67% — none significant.
25–45BMJ 0.9 cm thresholdBMJ pooled ten large trials: pain improved only 0.3 to 0.5 cm; joint space changed the same as placebo.
45–60Exercise + scaleGuidelines recommend against it. What works is exercise and weight loss — every kilo lost takes four off your knees.

Fontes (cada ponto do card corresponde a uma)

Verificado em: 2026-10-17