• Patented organic sulfur compound
  • Elemental mineral for healthy aging
  • Promotes healthy, glowing skin
  • Creates shiny hair
  • Strengthens nails
  • Essential component for healthy tissue
  • Noticeably reduces joint pain
  • Tested gluten-free
  • Acts quickly to improve mobility & flexibility
  • Provides optimal absorption, potency, safety & efficacy
  • Safe & Effective
  • Non-GMO


Organic sulfur compound for health & beauty!

OptiMSM® is a major nutritional factor in feeling good and looking good. Prairie Naturals chooses this patented form of methylsulfonylmethane (MSM) organic sulfur compound . OptiMSM® promotes healthy skin, hair and nails and is an essential component for all healthy tissue. This often overlooked mineral is called the beauty mineral because of its nutritional role in making hair shine and skin glow. Nutritional experts recommend about 1000mg per day of organic sulfur for promoting healthy aging. Contains NO soy, dairy, eggs, gluten, flavours, colours, preservatives, sweeteners, GMO ingredients.

What is OptiMSM®?

OptiMSM® is the world’s purest methylsulfonylmethane (MSM). OptiMSM® is manufactured in the United States in a GMP-FDA approved facility and is the only MSM supported by double-blind clinical research. Every batch of OptiMSM® is distilled FOUR TIMES for purity and undergoes the most rigorous analytical testing available, guaranteeing unsurpassed quality. MSM is an organic sulfur-containing nutrient that supports healthy active lifestyles by providing nutritionally essential sulfur and methyl groups. OptiMSM® is the only brand of MSM with published, peer-reviewed safety data.


Helps to relieve joint pain associated with osteoarthritis. Helps to relieve the pain associated with osteoarthritis of the knee.

Medicinal ingredients: Each Capsule Contains:
OptiMSM® (Methylsulfonylmethane)  –  1,000 mg

Non-Medicinal Ingredients: Magnesium stearate, Gelatin, Purified water

Recommended Use and Dose (adults): Take 2 capsules daily, with food. Avoid taking at bedtime. Use for a minimum of 4 weeks to see beneficial effects.

Cautions & Warnings: Consult a health care practitioner if symptoms worsen. Consult a health care practitioner prior to use if you are pregnant or breastfeeding. Some people may experience mild gastrointestinal bloating, constipation or indigestion. Do not use if security seal is broken.