OtherNo.068
Glucosamine
Joint comfort, cartilage support (marketed).
Typical / RDA1,500 mg
Upper limitGenerally safe
EvidenceLimited
How to take it
Timing With a mealFood With foodForm + Chondroitin
What to know
Popular for osteoarthritis, but large trials show mixed-to-modest results. Often combined with chondroitin. Worth a defined trial rather than indefinite use.
Interactions & cautions
- May affect blood sugar and interact with warfarin.
- Some forms derive from shellfish — note allergies.
Do you actually need it?
A time-limited trial makes sense for joint pain; reassess.
Reference values: NIH Office of Dietary Supplements, adult general population. Educational information only — not medical advice. Confirm with a healthcare professional.