How long before a joint supplement does anything?
Months rather than weeks. A fortnight is not a fair test of any of these.
Is glucosamine suitable if I have a shellfish allergy?
Often not – much glucosamine is shellfish derived. Check the individual product, as vegetarian versions exist.
Capsules or gel?
They do different things. Capsules are a daily, long-term approach; a gel is applied locally. Many people use both.
Can I take turmeric with blood thinning medication?
Ask your GP or pharmacist first. Supplement-strength turmeric is a different matter from cooking with the spice.