--- product_id: 2367201 title: "7 Lights Sulfur Defense Opti-MSM 99.9% Pure MSM Powder | Dietary Supplement for Joints, Skin & Immune Support – Organic Methylsulfonylmethane Crystals, Vegan, Non-GMO, Gluten-Free – Made in USA (1 LB)" brand: "7 lights" price: "€ 86.49" currency: EUR in_stock: true reviews_count: 7 category: "7 Lights" url: https://www.desertcart.sk/products/2367201-7-lights-sulfur-defense-opti-msm-99-9-pure-msm store_origin: SK region: Slovakia --- # Vegan, Non-GMO, Gluten-Free 99.9% Pure MSM Crystals Joint & Immune Support 7 Lights Sulfur Defense Opti-MSM 99.9% Pure MSM Powder | Dietary Supplement for Joints, Skin & Immune Support – Organic Methylsulfonylmethane Crystals, Vegan, Non-GMO, Gluten-Free – Made in USA (1 LB) **Brand:** 7 lights **Price:** € 86.49 **Availability:** ✅ In Stock ## Summary > ✨ Elevate your wellness game with the purest MSM on the market! ## Quick Answers - **What is this?** 7 Lights Sulfur Defense Opti-MSM 99.9% Pure MSM Powder | Dietary Supplement for Joints, Skin & Immune Support – Organic Methylsulfonylmethane Crystals, Vegan, Non-GMO, Gluten-Free – Made in USA (1 LB) by 7 lights - **How much does it cost?** € 86.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/2367201-7-lights-sulfur-defense-opti-msm-99-9-pure-msm) ## Best For - 7 lights enthusiasts ## Why This Product - Trusted 7 lights brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Total Body Wellness Boost:** Supports joint comfort, immune resilience, and faster cell regeneration to keep you thriving daily. - • **Ultra-Pure MSM Powerhouse:** Experience the world’s cleanest, most bioavailable MSM for maximum joint and skin benefits. - • **Radiant Hair, Skin & Nails:** Amplify collagen production for youthful skin, stronger nails, and lustrous hair that turns heads. - • **Clean, Certified & Conscious:** Made in the USA, vegan, non-GMO, gluten-free, and allergen-free—because purity matters. - • **Optimized Nutrient Absorption:** Enhances your body’s ability to absorb essential vitamins and minerals for peak performance. ## Overview 7 Lights Sulfur Defense Opti-MSM is a premium dietary supplement featuring 99.9% pure methylsulfonylmethane crystals, meticulously distilled for unmatched purity and bioavailability. Designed to support joint comfort, immune function, and skin health, this vegan, non-GMO, gluten-free powder enhances collagen production and nutrient absorption. Made in the USA and allergen-free, it’s the trusted choice for professionals seeking holistic, clean wellness solutions. ## Description Buy 7 Lights Sulfur Defense Opti-MSM 99.9% Pure MSM Powder | Dietary Supplement for Joints, Skin & Immune Support – Organic Methylsulfonylmethane Crystals, Vegan, Non-GMO, Gluten-Free – Made in USA (1 LB) on desertcart.com ✓ FREE SHIPPING on qualified orders Review: 7 Lights - most TRUSTED seller - I have been purchasing products from this company for years and am so happy to see them now on desertcart! They are one of the most honest companies I know. All of their products are EXCELLENT - what is on the label is truly inside the product. Great costumer service as well. This is my third purchase of their sulfur crystals - the best and purest crystals I've seen available on the internet. I have felt so much better after taking them as well. My seasonal allergies seem to disappear when I take them, and my stomach feels so soothed. My mental well being has improved also. The 7 lights company backs many of their products with scientific evidence - articles written by research scientists, doctors, etc. They have an excellent article on the numerous things that pure sulfur crystals (they have to be pure - not powder form) can do - just check it out on their website - [...]. Hooray for 7 Lights and sulfur crystals!! Review: More Than I Could Have Ever Expected!! - I cannot say enough about this product!! I am a very overweight person with a few chronic health problems and I heard all the wonderful things about MSM online and decided to take the plunge and order some. Three months ago I started taking it and the results are absolutely staggering. I have not had this much energy in years. I feel like I'm young again and I wake up everyday ready to go. My heartburn stopped completely, my skin looks healthier, my energy levels are so high I don't even want to go to bed at night, and my joints, especially my knees, ache way less. In fact, if I skip a morning taking it, I immeditely notice. I found the key for me was to start with a smaller dose than recommended. The first time I took it, I used a teaspoon and I became very nauseous so I started with a 1/4 teaspoon and worked my way up over two and half weeks to a full teaspoon every morning. I also found that their recommendation for filtered water is incredibly important. If I don't use it, I notice that my energy is down because the supplement isn't working as well. I mix it with about two ounces of cranberry juice in a double shot glass because that masks the flavor pretty well (the one downside to the supplement is that it tastes disgusting, but I guess that's the payoff) and I drink that and then chase it with another six ounces of water. I also found that if it makes my stomach queesy, eating some breakfast immediately afterwards quells the feeling. I know that the product makes the body go through a sort of detox and my first week, I peed like crazy. The first three days, I peed like every hour at least and more urine than I even thought possible. It actually freaked me out, but then after a few days I felt so good I just continued. Figured I'd just throw this in there in case anyone else had the same thing happen to them. Lastly, I know some take it at bedtime because the product recommends that, but I haven't tried yet because I'm worried I won't be able to sleep. Either way, good luck and I hope it works for you as well as it has for me! ## Features - 99.9% Pure MSM Crystals: Sulfur Defense Opti-MSM undergoes multi-stage distillation to remove impurities, delivering the world’s purest, safest, and most bioavailable MSM for maximum benefits. - Total Body Support: This premium MSM dietary supplement promotes joint comfort, immune function, faster cell regeneration, and antioxidant protection – helping you feel your best from the inside out. - Stronger Hair, Skin & Nails: Sulfur Defense Opti-MSM boosts collagen production, reducing fine lines, wrinkles, and dryness while strengthening hair and nails for a radiant, youthful appearance. - Enhanced Nutrient Absorption: Supports cellular function by improving nutrient delivery, helping your body absorb key vitamins and minerals more efficiently for optimal health. - Clean, Safe & Certified: Made in the USA, vegan, non-GMO, gluten-free, and allergen-free. The only GRAS-designated MSM supplement, ensuring safety, purity, and effectiveness for all lifestyles. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B009K62S28 | | ASIN | B009K62S28 | | Age Range Description | Adult | | Best Sellers Rank | #135,020 in Health & Household ( See Top 100 in Health & Household ) #70 in MSM Nutritional Supplements | | Brand Name | 7 Lights | | Color | Multi | | Customer Reviews | 4.5 4.5 out of 5 stars (550) | | Date First Available | October 1, 2012 | | Dosage Form | Powder | | Flavor | Unflavored | | Is Discontinued By Manufacturer | No | | Item Dimensions | 4 x 2 x 4 inches | | Item Form | Powder | | Item Weight | 1 Pounds | | Manufacturer | 7 Lights Nutrition | | Manufacturer | 7 Lights Nutrition | | Manufacturer Part Number | 7 Lights Nutrition | | Material Features | Allergen Free, Certified Organic, GMO Free, Gluten Free, Kosher Certified, Vegan | | Number of Items | 1 | | Primary Supplement Type | MSM | | Product Benefits | Antioxidant | | Product Dimensions | 4 x 2 x 4 inches; 1 Pounds | | Special Ingredients | Methylsulfonylmethane | | Specific Uses For Product | personal, family, men, women, seniors, adults | | UPC | 813011001344 795186475079 | | Unit Count | 16.0 Ounce | ## Product Details - **Age Range (Description):** Adult - **Brand:** 7 Lights - **Flavor:** Unflavored - **Item Form:** Powder - **Item Weight:** 1 Pounds - **Item dimensions L x W x H:** 4 x 2 x 4 inches - **Primary Supplement Type:** MSM - **Product Benefits:** Antioxidant - **Special Ingredients:** Methylsulfonylmethane - **Unit Count:** 16.0 Ounce ## Images ![7 Lights Sulfur Defense Opti-MSM 99.9% Pure MSM Powder | Dietary Supplement for Joints, Skin & Immune Support – Organic Methylsulfonylmethane Crystals, Vegan, Non-GMO, Gluten-Free – Made in USA (1 LB) - Image 1](https://m.media-amazon.com/images/I/81bwqsMfccL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ 7 Lights - most TRUSTED seller *by J***. on January 21, 2013* I have been purchasing products from this company for years and am so happy to see them now on Amazon! They are one of the most honest companies I know. All of their products are EXCELLENT - what is on the label is truly inside the product. Great costumer service as well. This is my third purchase of their sulfur crystals - the best and purest crystals I've seen available on the internet. I have felt so much better after taking them as well. My seasonal allergies seem to disappear when I take them, and my stomach feels so soothed. My mental well being has improved also. The 7 lights company backs many of their products with scientific evidence - articles written by research scientists, doctors, etc. They have an excellent article on the numerous things that pure sulfur crystals (they have to be pure - not powder form) can do - just check it out on their website - [...]. Hooray for 7 Lights and sulfur crystals!! ### ⭐⭐⭐⭐⭐ More Than I Could Have Ever Expected!! *by V***K on January 27, 2017* I cannot say enough about this product!! I am a very overweight person with a few chronic health problems and I heard all the wonderful things about MSM online and decided to take the plunge and order some. Three months ago I started taking it and the results are absolutely staggering. I have not had this much energy in years. I feel like I'm young again and I wake up everyday ready to go. My heartburn stopped completely, my skin looks healthier, my energy levels are so high I don't even want to go to bed at night, and my joints, especially my knees, ache way less. In fact, if I skip a morning taking it, I immeditely notice. I found the key for me was to start with a smaller dose than recommended. The first time I took it, I used a teaspoon and I became very nauseous so I started with a 1/4 teaspoon and worked my way up over two and half weeks to a full teaspoon every morning. I also found that their recommendation for filtered water is incredibly important. If I don't use it, I notice that my energy is down because the supplement isn't working as well. I mix it with about two ounces of cranberry juice in a double shot glass because that masks the flavor pretty well (the one downside to the supplement is that it tastes disgusting, but I guess that's the payoff) and I drink that and then chase it with another six ounces of water. I also found that if it makes my stomach queesy, eating some breakfast immediately afterwards quells the feeling. I know that the product makes the body go through a sort of detox and my first week, I peed like crazy. The first three days, I peed like every hour at least and more urine than I even thought possible. It actually freaked me out, but then after a few days I felt so good I just continued. Figured I'd just throw this in there in case anyone else had the same thing happen to them. Lastly, I know some take it at bedtime because the product recommends that, but I haven't tried yet because I'm worried I won't be able to sleep. Either way, good luck and I hope it works for you as well as it has for me! ### ⭐⭐⭐⭐⭐ Joints do feel better but won't happen over night but will happen way before jar is empty . *by L***E on May 26, 2025* I could not care less about hair nor stronger fingernails though this certainly kicks in for that I use this as it helps me with joints and notice difference when do not take it for awhile . Little salty but who cares if it helps so much and if it bothered me could mix it with juice , etc but as of now drink it in cold water and no big deal considering it helps with my joints . Edit , let me add the manufacturer does not suggest tap water so I use it in bottled purified drinking water which I never drink as drink cold tap water but to take this daily I do use the bottled water ( I take it 2x a day in am and afternoon ) . ## Frequently Bought Together - 7 Lights Sulfur Defense Opti-MSM 99.9% Pure MSM Powder | Dietary Supplement for Joints, Skin & Immune Support – Organic Methylsulfonylmethane Crystals, Vegan, Non-GMO, Gluten-Free – Made in USA (1 LB) - REDMOND REAL SALT Ancient Fine Sea, 26oz, 108764 - CELTIC SEA SALT Fine Ground - (1) 16 Ounce Resealable Bag of Nutritious, Classic Great for Cooking, Baking, Pickling, Finishing and More, Pantry-Friendly, Gluten-Free --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/2367201-7-lights-sulfur-defense-opti-msm-99-9-pure-msm](https://www.desertcart.sk/products/2367201-7-lights-sulfur-defense-opti-msm-99-9-pure-msm) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-07-25*