Adults with knee/hip OA under clinician care.
Dose: 500–1000 mg/day (curcuminoids)
Split 1–2 doses with meals
8–12 weeks trial
Why: Several RCTs/meta-analyses show modest pain/function benefits vs. placebo.
Dose: 1500 mg/day (glucosamine sulfate)
Daily with meals
Notes: Mixed evidence; some symptom relief in subsets.
Dose: 100–250 mg 2–3×/day (per product standardization)
Notes: Meta-analyses and RCTs suggest modest improvements in pain/function vs. placebo; product quality varies.