Sulfur Defense Opti-MSM 99.9% Pure MSM Powder Capsules, Made in USA

What the brand says

Sold as “Sulfur Defense Opti-MSM 99.9% Pure MSM Powder Capsules, Made in USA, Organic Methylsulfonylmethane, Non-GMO, Gluten-Free, Immune System Booster, Soothes Joint Pain, Younger Skin, Hair, Nails, 90 caps”