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MSM

Also known as: Methylsulfonylmethane, dimethyl sulfone

Weak EvidenceSupplementAndrogenic Alopecia

Sulfur-containing supplement marketed for hair growth with minimal clinical evidence.

Regrowth Potential10%
Long-Term Viability40%

Mechanism of Action

MSM provides bioavailable sulfur, a component of keratin and the amino acids methionine and cysteine. Sulfur is essential for disulfide bonds that give hair its structural integrity. MSM also has anti-inflammatory and antioxidant properties that may support the scalp environment.

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