MSM for Hair

A sulfur-rich compound that may donate sulfur to keratin, strengthening hair and boosting growth.

Also known as: Methylsulfonylmethane • Dimethyl Sulfone

other Names
Organic Sulfur
primary Benefits
Strengthens hair and nails, supports joint health, reduces inflammation.
common Dose
1-3 grams (1,000-3,000mg) daily.
best Form
Distilled MSM powder or crystals (e.g., OptiMSM).
timing
Can be taken anytime, often split into multiple doses.
safety Rating
Very safe, with low toxicity.

Overview

Methylsulfonylmethane (MSM) is an organic sulfur-containing compound found naturally in some plants and animals. Sulfur is a critical building block for collagen and keratin, the primary proteins that make up hair, skin, and nails. By providing a bioavailable source of sulfur, MSM is thought to strengthen the disulfide bonds in keratin, making hair more resilient. It may also help lengthen the anagen (growth) phase of the hair cycle.

Key Benefits

Provides Sulfur for Keratin

MSM is a rich source of sulfur, which is a key component of the amino acid cysteine. Cysteine is crucial for forming the strong disulfide bonds that give keratin its strength and durability.

May Lengthen the Anagen Phase

Some research suggests that MSM can prolong the anagen (growth) phase of the hair cycle, leading to longer and thicker hair over time.

Reduces Inflammation

MSM has anti-inflammatory properties that can help soothe scalp conditions and create a healthier environment for hair growth.

Dosage & How to Take

Doses for hair health typically range from 1 to 3 grams per day.

PurposeDoseNotes
Hair, Skin, and Nail Support1-3 grams/dayStart with 1 gram and gradually increase to assess tolerance. Can be mixed with water or juice.
Joint Health and Inflammation3-6 grams/dayHigher doses are often used for managing joint pain and arthritis.

Best Time to Take

Best to split the dose (e.g., morning and evening) to maintain stable levels.

With or Without Food

Can be taken with or without food. Taking it with a source of Vitamin C may enhance absorption and utilization.

Forms & Bioavailability

FormAbsorptionBest ForNotes
Distilled MSM (e.g., OptiMSM)HighPurity and avoiding potential contaminants.Multi-stage distillation is considered the gold standard for producing pure MSM, free from heavy metals and impurities.
Crystallized MSMGoodGeneral use.A common form, but may not have the same purity guarantee as distilled MSM.

Side Effects & Safety

Common

  • Generally well-tolerated.

Rare

  • May cause mild digestive issues like bloating or diarrhea in sensitive individuals, especially at higher doses.
  • Headaches.

Contraindications

  • None well-documented, but those on blood thinners should consult a doctor.

Interactions

None knownNone

MSM is considered very safe and does not have significant known drug interactions.

Scientific Research

2019Natural Medicine Journal

The Effect of Methylsulfonylmethane on Hair and Nail Health

A 2019 study on women showed that taking MSM (at 1g or 3g per day) resulted in statistically significant improvements in the appearance and condition of hair and nails as rated by both subjects and experts.

Food Sources

Milk
Tomatoes
Tea
Leafy green vegetables (in very small amounts)

Frequently Asked Questions

Medical Disclaimer

This content is for educational and informational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen, especially if you have pre-existing health conditions or are taking medications. The statements on this page have not been evaluated by the Food and Drug Administration.