If you exercise regularly, you are putting your joints under load every time you train. Over years of running, cycling, lifting or playing sport, that accumulates. The cartilage in your knees, hips and shoulders is not passive tissue — it is alive, metabolically active, and capable of regeneration given the right conditions. The question most active people eventually ask is: what can I actually do to support it? Not to mask symptoms, but to address the underlying biology.
MSM is one of the most well-researched answers to that question. It is not a painkiller and it is not a quick fix. It is a nutrient that works at the level of cartilage structure, inflammatory signalling, and oxidative stress — which is precisely where exercise-induced joint damage begins.
What is MSM?
MSM stands for methylsulfonylmethane. It is the most bioavailable form of sulphur available to the body — the form your cells can most readily absorb and use. Sulphur is the fourth most abundant mineral in the human body. It is a structural component of collagen, cartilage, and keratin, and a precursor to glutathione, one of the body’s primary antioxidants.
In food, sulphur is found in garlic, onions, cruciferous vegetables and eggs. In supplement form, MSM is a white crystalline powder derived from dimethyl sulphoxide (DMSO). It crosses cell membranes easily, which is one reason it appears to act systemically rather than locally.
For anyone who exercises, its relevance is threefold: it supports cartilage structure, it reduces the inflammatory response to physical stress, and it counters the oxidative damage that exercise generates.
What the research shows for exercise and recovery
The most directly relevant clinical evidence comes from a pilot study by Nakhostin-Roohi and colleagues, published in the Journal of the International Society of Sports Nutrition in 2011. Participants took 3g of MSM daily and were then subjected to acute exercise. Compared to placebo, the MSM group showed significantly reduced post-exercise muscle and joint pain.
One of those markers was protein carbonylation, a measure of oxidative damage to proteins caused by free radicals. Exercise, particularly intense or prolonged exercise, generates a substantial free radical load. MSM was shown to reduce protein carbonylation and elevate plasma antioxidant capacity after acute exercise — meaning it appeared to both limit oxidative damage and increase the body’s capacity to neutralise it.
The study also found that MSM increased levels of IL-10, an anti-inflammatory cytokine that plays a central role in regulating the post-exercise inflammatory response. IL-10 is part of the resolution pathway — the process by which the body moves from acute inflammation towards repair. By supporting this process, MSM appears to help the body recover more effectively rather than simply suppressing inflammation.
Separately, research into MSM’s mechanism of action has shown it inhibits NF-κB, a master regulator of inflammation, and reduces pro-inflammatory cytokines including IL-1, IL-6 and TNF-α. In someone who trains regularly, keeping this inflammatory background lower over time is not a trivial benefit.
How MSM protects cartilage
Cartilage is not simply a cushion. It is a highly specialised connective tissue made up of water, collagen fibres, and proteoglycans — large molecules that give cartilage its ability to hold water and absorb compressive force. The health of your cartilage under load depends substantially on the integrity of those proteoglycans.
MSM supports proteoglycan synthesis. This matters because proteoglycans are the molecules responsible for the water-retaining properties of cartilage. When cartilage is well-hydrated, it is resilient. It deforms under load and springs back. When proteoglycan content falls — which happens with age, chronic inflammation, and cumulative joint stress — cartilage becomes less able to absorb shock. That is the starting point for degenerative joint disease.
MSM also supplies sulphur directly to cartilage tissue. Sulphur is required for the synthesis of glucosamine and chondroitin, both of which are structural components of the cartilage matrix. It is, in this sense, a raw material as well as a signalling agent.
For active people in their 30s, 40s and 50s, this is the more important argument for MSM. It is not about treating an existing problem. It is about maintaining the structural integrity of cartilage during the years when cumulative load is highest and natural regenerative capacity is beginning to slow.
The OSKIA story
OSKIA’s relationship with MSM began not in a laboratory but on a ski slope. Georgie Cleeve, founder of OSKIA, underwent knee surgery as a teenager and was told by her doctors that she would never ski again. Her father, whose company NAF (Natural Animal Feeds) had been using MSM as a joint supplement for horses for over 35 years, suggested she try it.
Her knees recovered fully. She went on to compete in triathlons and marathons.
That personal experience became the founding insight of OSKIA — that nutrition at the cellular level, beginning with the most bioavailable form of sulphur, could do things that conventional medicine had written off. The brand was built on that principle: intelligent skin nutrition, starting with MSM, because the body needs the right raw materials before it can repair and perform.
MSM is not a trend ingredient at OSKIA. It is the origin of the brand.
OSKIA MSM Bio-Plus
OSKIA MSM Bio-Plus is a high-strength oral MSM supplement formulated to deliver the clinically studied dose of methylsulfonylmethane in a bioavailable form. It is designed for consistent daily use and is suitable for active adults who want to support joint health, reduce exercise-related inflammation, and maintain cartilage integrity over time.
The formulation reflects the same standard OSKIA applies to all its products: ingredients chosen for function, at doses that reflect the evidence, without fillers or unnecessary additions.
How to use it
Take MSM Bio-Plus daily. Consistent use matters more than timing — MSM works cumulatively rather than acutely, so the benefits build over weeks rather than hours. It can be taken with or without food.
For active adults using it specifically to support recovery and joint health, daily use aligned with a regular training schedule is the most effective approach. Most people begin to notice a difference within four to six weeks of consistent use, though individual response varies depending on baseline levels, training load, and overall dietary intake of sulphur.
Frequently asked questions
Is MSM a painkiller?
No. MSM does not mask pain. It works on the underlying biology — reducing inflammation, supporting cartilage structure, and countering oxidative stress.
How long does it take to see results?
Most people notice a meaningful difference within four to six weeks of daily use. MSM is not a supplement with an immediate, acute effect. Its benefits are cumulative and build with consistent use over time.
Can I take MSM alongside other joint supplements such as glucosamine or collagen?
Yes. MSM is well-tolerated alongside other joint-support supplements. It works at a more foundational level than glucosamine or chondroitin, rather than duplicating them.
Is MSM safe for long-term use?
MSM has a strong long-term safety profile. It is a naturally occurring compound that the body recognises and uses. Clinical studies and decades of use in both human and veterinary medicine have not identified safety concerns at standard supplementation doses.
Is this relevant only to people with existing joint problems?
No. MSM is arguably most valuable as a preventive measure — maintaining cartilage integrity and keeping the inflammatory background low during years of high training load. The evidence supports starting earlier.
Clinical references
- Nakhostin-Roohi B, et al. “Effects of supplementation with methylsulfonylmethane on oxidative stress following acute exercise in untrained healthy men.” Journal of the International Society of Sports Nutrition, 2011.
- Ahn H, et al. “Methylsulfonylmethane inhibits NF-κB signalling and reduces inflammatory cytokines.” Phytomedicine, 2015.
- Parcell S. “Sulphur in human nutrition and applications in medicine.” Alternative Medicine Review, 2002; 7(1):22–44.
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