MSM (Methylsulfonylmethane)

Also known as: msm, methylsulfonylmethane, dimethyl sulfone

Grade C — Preliminaryjointrecoveryskin-hair
1000–3000 mgWith meals; can split into 2 doses

Organic sulfur compound with evidence for joint pain relief in osteoarthritis. Extremely safe with very few interactions. Also used for skin and hair health due to its role in keratin and collagen synthesis. Often stacked with glucosamine and chondroitin.

💪Muscle & Recovery✨Skin & Hair
Last reviewed: 2026-03-12

Quick Facts

Evidence

Grade C

Studies

1

Interactions

1

Forms

1

Evidence Rating: Grade C — Preliminary

Limited human trials, mostly animal or in-vitro data. Promising but not yet proven in robust human studies.

Interaction Warnings

Blood thinnersLow

Theoretical mild anticoagulant effect — likely clinically insignificant at normal doses.

Important Notes

  • Very safe — one of the best-tolerated joint supplements
  • May cause mild GI upset at high doses
  • Organic sulfur donor — supports connective tissue and glutathione production

Clinical Evidence (1 study)

Efficacy of methylsulfonylmethane (MSM) in osteoarthritis pain of the knee

Debbi EM et al. (2011) — Osteoarthr Cartil

MSM 3g/day for 12 weeks significantly improved pain and physical function in knee OA

View on PubMed

Alternatives to Consider

These supplements target similar goals and may be worth considering alongside or instead of MSM (Methylsulfonylmethane).

Hyaluronic Acid (Oral)

Grade C

Naturally occurring glycosaminoglycan in skin and joint fluid. Oral supplementation shows modest evidence for skin hydration and joint comfort. Very safe but questions remain about oral bioavailability. Low molecular weight forms may be preferrable.

✨ Skin & Hair💪 Muscle & Recovery

Magnesium Glycinate

Grade A

Highly bioavailable form of magnesium. Strong evidence for sleep quality, muscle relaxation, and stress reduction. Most adults are deficient.

💪 Muscle & Recovery

Tart Cherry

Grade B

Natural source of melatonin and anti-inflammatory compounds. Evidence for sleep quality improvement and one of the best supplements for DOMS reduction.

💪 Muscle & Recovery

Related Supplements

Hyaluronic Acid (Oral)

Grade C — Preliminary

Naturally occurring glycosaminoglycan in skin and joint fluid. Oral supplementation shows modest evidence for skin hydration and joint comfort. Very safe but questions remain about oral bioavailability. Low molecular weight forms may be preferrable.

Zinc

Grade A — Strong Evidence

Essential mineral for immune function, wound healing, and testosterone production. Lozenges reduce cold duration by ~33%.

Collagen Peptides

Grade B — Moderate Evidence

Evidence for connective tissue repair (with vitamin C + exercise), skin elasticity, and joint pain. Timing matters for tendons.

Glucosamine

Grade B — Moderate Evidence

Building block for cartilage with solid evidence for knee osteoarthritis pain and function. Glucosamine sulfate is the preferred form. Takes weeks to show benefit. Safe long-term with few interactions.

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⚕️ Important Disclaimer

This information is for educational purposes only. It is not medical advice. Always consult a healthcare provider before starting any supplement regimen, especially if you take medications or have health conditions.

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