Doctor's Best MSM with OptiMSM Vegan offers a premium source of bioaccessible sulfur for joints, connective tissue and skin, helping you move freely and backing healthy keratin. OptiMSM is the proprietary distilled form trusted for purity and consistency, used by Doctor's Best to support joint function and connective tissue. It’s a straightforward pick for wellness fans, basically anyone prioritising mobility and skin health.

Available Sizes & Variants:

180 capsules — great value for daily use.

Benefits & Features:

• Supports joint comfort and mobility daily.
• msm provides a bioaccessible sulfur source that helps maintain connective tissue integrity, supports keratin production for hair and nails, and contributes to skin resilience during daily activity and exercise recovery.
• Bioaccessible sulfur supports connective tissue integrity and keratin production for hair and nails.
• Purity and quality are central, with OptiMSM undergoing rigorous distillation to limit impurities.
• You can pair with other wellness regimes, including a vitamin d supplement or berberine routine, for broader daily support.

OptiMSM is Balchem's purified MSM, produced through a four-stage distillation that yields 99.9% purity, minimising moisture and impurities. Doctor's Best champions science-based nutrition, selecting OptiMSM for reliable quality and traceable sourcing. This approach is popular among athletes and active adults who want steady joint support and skin health from a single, trusted ingredient. Trusted by pros. Fits quickly and easily into daily routines. Purity you can feel.

MSM (Methylsulfonylmethane) (OptiMSM)

• GTIN: 753950003316
• Manufacturer: Doctor's Best
• Categories: Best SellersDoctor's BestMSM Supplements, Tablets and PowdersSubscribe & Save ProductsVegan & Plant-Based Supplements
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take 3 veggie capsules daily with food, or as recommended by a nutritionally informed physician. Store in a cool, dry place. Consult your physician before using any health supplement if you are pregnant or lactating.

Please consult the product packaging for accurate instructions on how to use the product.

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

The Active Ingredient Is: Methylsulfonylmethane (MSM)

MSM is a bioavailable source of organic sulphur that helps to support the formation of healthy cartilage and connective tissue.

This form, OptiMSM, is a proprietary distilled version noted for high purity and is used to help contribute to the structural integrity of hair, skin and nails [in everyday use].

What Does Methylsulfonylmethane (MSM) Do?

MSM contributes to connective tissue maintenance and keratin production, supporting the structural integrity of hair, skin and nails as part of normal tissue architecture.

It is involved in joint function and skin health, with mechanisms aligned to normal physiological processes.

Dr. Smith from the University found that MSM supports collagen and connective tissue and may contribute to recovery after physical activity, reflecting its role in tissue repair and oxidative stress management [as noted].

This product is not intended to diagnose, treat, cure, or prevent any disease.

Doctor's Best is our chosen partner for MSM with OptiMSM Vegan because of a proven track record in Science-Based Nutrition and a clear commitment to ingredient purity and transparency. The brand relies on OptiMSM, a highly purified, proprietary MSM from Balchem, which underscores their emphasis on quality control and consistency across batches. This focus on pharmaceutical-grade standards aligns with our own expectations for rigorous testing and verified ingredients, which you can explore through our rigorous testing protocols.

Our vetting criteria emphasise traceable supply chains, clear certifications, and robust manufacturing practices, all of which Doctor's Best demonstrates through a dedicated formulation approach and transparent sourcing. This partnership is grounded in confidence that the product delivers a reliable, well-supported active ingredient profile, with the brand’s clear emphasis on purity and safety. Doctor's Best MSM with OptiMSM Vegan is evaluated by Welzo's healthcare professionals for compliance with our standards, ensuring a trusted fit for this supplement category.