It may take 4 weeks before you notice any improvement. If at any time your symptoms worsen, contact your health care provider.
MSM appears to be safe for most people when taken for a short period of time (3 months or less). Common side effects reported include diarrhea, nausea, bloating, constipation, indigestion, headache, insomnia, and worsening of existing allergy symptoms.
Pregnant or breast-feeding women should consult a health care practitioner before using MSM.
Before taking any new medications, including natural health products, speak to your physician, pharmacist, or other health care provider. Tell your health care provider about any natural health products you may be taking.