Solgar MSM 1000mg: Ingredients MSM (as methylsulfonylmethane) Suggested Use one (1) or two (2) tablets daily, preferably at mealtime, or as directed by a healthcare practitioner. Warnings If you are pregnant, nursing, taking any medication or have a medical condition, please consult your healthcare practitioner before taking this product. Keep out of reach of children. Food supplements should not be used instead of a varied balanced diet & healthy lifestyle. DO NOT USE IF OUTER BOTTLE SEAL IS MISSING, TORN OR DAMAGED IN ANY WAY.