MSM Drops: Methylsulfonylmethane Drops

A dear patient who is also a surgeon drove from Pennsylvania today and was very generous to share with me a new drop which he found on Amazon. It really helped with his dry eye symptoms he says. 

I have not seen any papers on this drop yet but it seems to be safe.

It is preservative free. But it contains Sulfa: do NOT use if you have a Sulfa Allergy.

He is a surgeon so I trust this case of 1. Still, many are suspicious of over the counter Amazon products. I totally understand. The above photo is the one he used. If you try it, let me know how your eye reacts to it. It appears to be safe but I have not seen papers showing its effectiveness with dry eye (see * below for WebMD review as well)

More information below.

There is a website below that claims there are many published articles on the benefit of MSM drops for dry eyes, but so far I could find NONE on Pub Med: see ** below for Pubmed search terms below.

WebMD has a good review of MSM:



Crystalline DMSO, Dimethylsulfone, Diméthylsulfone, Dimethyl Sulfone MSM, DMSO2, Methyl Sulfone, Methyl Sulfonyl Methane… 

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Overview Information

Methylsulfonylmethane (MSM) is a chemical found in green plants, animals, and humans. It can also be made in a laboratory. MSM has become popular because of the book The Miracle of MSM: The Natural Solution for Pain. But there is little published scientific research to support its use. Contrary to some literature that promotes MSM, there is no Recommended Dietary Allowance (RDA) for MSM or sulfur, which is in MSM. Sulfur deficiency has not been described in the medical literature.

People take MSM by mouth and apply it to the skin for chronic painosteoarthritis, joint inflammationrheumatoid arthritisosteoporosisinflammation around the joints (bursitis), tendinitis, swelling around the tendons (tenosynovitis), nerve pain (neuropathy) caused by cancer drugs, musculoskeletal pain, muscle cramps, hardened skin condition called scleroderma, scar tissue, stretch marks, hair loss, wrinkles, protection against sun/wind burn, eye inflammation, oral hygiene, gum disease, wounds, cuts, and abrasions/accelerated wound healing.

People also take MSM by mouth for relief of allergies, chronic constipation, “sour stomach”, ulcers, a bowel disease called diverticulosispremenstrual syndrome (PMS), mood elevation, obesity, poor circulation, high blood pressure, and high cholesterol. It is also taken by mouth for type 2 diabetesliver problemsAlzheimer’s disease, to control snoring, lung disorders including emphysema and pneumonia, chronic fatigue syndromeautoimmune disorders (systemic lupus erythematous), HIV infection and AIDS, and cancer (breast cancer and colon cancer).

MSM is also taken by mouth for eye inflammation, mucous membrane inflammation, temporomandibular joint (TMJ) problems, leg cramps, migraine, headaches, hangover, parasitic infections of the intestinal and urogenital tracts including Trichomonas vaginalis and Giardia, yeast infectioninsect bites, radiation poisoning, and to boost the immune system.

How does it work?

MSM might supply sulfur to make other chemicals in the body.

Uses & Effectiveness?

Possibly Effective for

  • Hemorrhoids. Research shows that applying a specific gel containing MSM together with hyaluronic acid and tea tree oil (Proctoial, BSD Pharma) for 14 days can reduce pain, bleeding, and irritation in people with hemorrhoids.
  • Osteoarthritis. Research shows that taking MSM by mouth in two to three divided doses daily, either alone or together with glucosamine, can slightly reduce pain and swelling and improve function in people with osteoarthritis. But the improvements might not be clinically significant. Also, MSM might not improve stiffness or overall symptoms. Some research has looked at taking MSM with other ingredients. Taking an MSM product (Lignisul, Laborest Italia S.p.A.) together with boswellic acid (Triterpenol, Laborest Italia S.p.A.) daily for 60 days might reduce the need for anti-inflammatory drugs but does not reduce pain. Taking MSM, boswellic acid, and vitamin C (Artrosulfur C, Laborest Italia S.p.A.) for 60 days might reduce pain and improve walking distance. The effects appear to persist for up to 4 months after stopping treatment. Taking MSM, glucosamine, and chondroitin for 12 weeks may also reduce pain in people with osteoarthritis. Also, early research suggests that taking a combination product containing MSM (AR7 Joint Complex, Robinson Pharma) by mouth for 12 weeks improves rating scores for joint pain and tenderness in people with osteoarthritis, but does not improve the appearance of joints.

Possibly Ineffective for

  • Varicose veins and other circulatory problems (chronic venous insufficiency). Research shows that applying MSM and EDTA to the skin can reduce swelling in the calf, ankle, and foot in people with chronic venous insufficiency. But applying MSM alone seems to actually increase swelling.
  • Exercise performance. Research shows that taking MSM daily for 28 days does not improve exercise performance. Also, applying a specific cream containing MSM (MagPro, Custom Prescription Shoppe) before stretching does not seem to improve flexibility of endurance.

Insufficient Evidence for

  • Hay fever. Early research suggests that taking MSM (OptiMSM 650 mg) by mouth for 30 days can relieve some symptoms of hay fever.
  • Shoulder surgery. Early research suggest that taking a specific combination product containing MSM (Tenosan, Agave s.r.l.) for 3 months can reduce pain after surgery and slightly improve healing. But it does not seem to help the overall function of the shoulder after surgery.
  • Reducing nerve pain (neuropathy) caused by cancer drugs. Early research shows that taking a specific combination product (OPERA, GAMFARMA s.r.l) containing MSM and other ingredients for 12 weeks reduces nerve pain caused by cancer drugs compared to baseline. It’s unclear if this change is due to a placebo effect.
  • Muscle damage caused by exercise. Evidence for using MSM to reduce muscle damage caused by exercise is unclear. Some research shows that taking MSM daily beginning 10 days before a 14-km running exercise can help reduce muscle damage. But other research shows that taking MSM daily beginning 21 days before a 13.1-mile running exercise does not help to reduce muscle damage.
  • Joint pain. Research shows that taking a specific combination product (Instaflex Joint Support, Direct Digital) containing MSM daily for 8 weeks reduces joint pain. But this product does not seem to improve stiffness or function.
  • Rosacea. Research shows that applying an MSM cream to the skin twice daily for one month can improve redness and other symptoms of rosacea.
  • Tendon pain due to overuse. Early research suggests that taking a specific combination product containing MSM (Tenosan, Agave s.r.l.) might improve the outcomes of extracorporeal shock wave therapy (ESWT) in people with tendon pain. But it is not clear if the benefits are from MSM or other ingredients in this product.
  • Allergies.
  • Alzheimer’s disease.
  • Asthma.
  • Autoimmune disorders.
  • Cancer.
  • Chronic pain.
  • Constipation.
  • Dental disease.
  • Eye swelling.
  • Fatigue.
  • Fatigue.
  • Hair loss.
  • Hangover.
  • Headaches and migraines.
  • High blood pressure.
  • High cholesterol.
  • Insect bites.
  • Leg cramps.
  • Liver problems.
  • Lung problems.
  • Mood elevation.
  • Muscle and bone problems.
  • Obesity.
  • Parasite infections.
  • Poor circulation.
  • Premenstrual syndrome (PMS).
  • Protection against sun/wind burn.
  • Radiation poisoning.
  • Scar tissue.
  • Snoring.
  • Stomach upset.
  • Stretch marks.
  • Type 2 diabetes.
  • Wrinkles.
  • Wounds.
  • Yeast infections.
  • Other conditions.

More evidence is needed to rate MSM for these uses.

MSM is POSSIBLY SAFE for most people when taken by mouth for up to 3 months or when applied to the skin in combination with other ingredients, such as silymarin or hyaluronic acid and tea tree oil, for up to 20 days. In some people, MSM might cause nausea, diarrhea, bloating, fatigue, headache, insomnia, itching, or worsening of allergy symptoms.

Special Precautions & Warnings:

Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking MSM if you are pregnant or breast feeding. Stay on the safe side and avoid use.

Varicose veins and other circulatory problems (chronic venous insufficiency): Applying a lotion that contains MSM to the lower limbs can increase swelling and pain in people with varicose veins and other circulatory problems.


We currently have no information for METHYLSULFONYLMETHANE (MSM) Interactions.

Here is what the AMAZON website says:

For internal consumption, add 1 to 5 drops in 8 ounces of your favorite beverage once per day, or as directed by your healthcare professional. For eyes, use 1 to 3 drops in each eye, 1 to 3 times per day, or as directed by your health care professional. For eye drops, it’s best to start with less drops, and work up slowly.

Distilled Water, Organic MSM (methylsulfonylmethane), and Naturally-Derived Vitamin C (Calcium Ascorbate) as a Natural Preservative.

  • NATURAL EYE CARE: Liquid MSM with Vitamin C is most commonly used as eye drops, particularly in the treatment of floaters. This product is sterile and non-toxic, and thus safe to apply directly to the eyes. Using Liquid MSM as eye drops is any easy, safe way to assist in removing unwanted residue, and to help maintain the cleanliness of the eyes.
  • FIX FLOATERS IN THE EYES: Dr. Eric Berg has a very detailed, very informative video for how Liquid MSM can be used to treat floaters in the eyes. To view this video, search on YouTube for “eric berg liquid msm” to find a video called, “Fix Floaters in the Eyes”.
  • 100% SAFE, NATURAL, AND NON-TOXIC: Our Liquid MSM with Vitamin C is safe, sterile, and non-toxic. Thousands of customers have safely and effectively used this product, both for internal consumption and applied directly to the eyes.
  • HIGH QUALITY AND ORGANIC INGREDIENTS: The MSM in this product is derived from an all-natural, organic compound. This product also contains high quality Vitamin C, in the form of Calcium Ascorbate, which studies have shown is the most efficient form of Vitamin C on the market. Lastly, the base liquid is distilled water mixed with our Homeopathic Cell Salt Blend.
  • GOLD STANDARD PRODUCTION: Your health and safety mean everything to us. For that reason, our Liquid MSM with Vitamin C is manufactured in the USA, in an FDA approved facility with adherence to good manufacturing policies (GMP) and under the most stringent quality control. You can rest assured that you get the BEST VALUE for your money!


Pubmed Publications about MSM Drops: Methylsulfonylmethane Drops: Could find NONE so far:

A. Search terms: methylsulfonylmethane drops: yielded 0 relevant articles to my knowledge: see below A.
B. Search terms: methylsulfonylmethane Dry Eye: yielded 0 relevant articles to my knowledge–see below B photo.

A. Search terms: methylsulfonylmethane drops: yielded 0 relevant articles to my knowledge

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Chenyu Wu, Nathaniel Corrigan, Chern-Hooi Lim, Kenward Jung, Jian Zhu, Garret Miyake, Jiangtao Xu, Cyrille Boyer

Published in final edited form as: Macromolecules. 2019 Jan 8; 52(1): 236–248. Published online 2018 Dec 20. doi: 10.1021/acs.macromol.8b02517
Jeffrey S. McFarlane, Richard A. Hagen, Annemarie S. Chilton, Dianna L. Forbes, Audrey L. Lamb, Holly R. Ellis
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Natasha DeLeon-Rodriguez, Terry L. Lathem, Luis M. Rodriguez-R, James M. Barazesh, Bruce E. Anderson, Andreas J. Beyersdorf, Luke D. Ziemba, Michael Bergin, Athanasios Nenes, Konstantinos T. Konstantinidis
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B. Search terms: methylsulfonylmethane Dry Eye: yielded 0 relevant articles to my knowledge

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