Best Slippery Elm Supplements (2026)
Slippery elm bark has been used for centuries as a natural remedy for digestive discomfort, sore throats, and irritated mucous membranes. The inner bark contains mucilage, a gel-like substance that coats and soothes the GI tract, making it a go-to supplement for anyone dealing with acid reflux, IBS symptoms, or general digestive irritation. Here are the best slippery elm supplements available right now.
Quick Comparison
| Product | Key Feature | Form | Best For | Rating |
|---|---|---|---|---|
| Zazzee Organic Slippery Elm | 8,000 mg (20:1 Extract) | Capsules | Best Overall | 9.5/10 |
| USDA Organic Slippery Elm (Women & Men) | Micronized Bark Powder | Capsules | Best for Gut Lining | 9.2/10 |
| NOW Slippery Elm 400 mg | 400 mg Pure Bark | Capsules | Best Trusted Brand | 9.1/10 |
| Nature’s Way Slippery Elm Bark | 1,600 mg Per Serving | Capsules | Best Traditional Formula | 9.0/10 |
| Nutricost Slippery Elm Bark | 1,000 mg Per Serving | Capsules | Best Budget Pick | 8.9/10 |
| Deal Supplement Slippery Elm | 6,000 mg, 300 Capsules | Capsules | Best Value Pack | 8.8/10 |
| Oregon’s Wild Harvest Slippery Elm | Certified Organic Inner Bark | Capsules | Best Organic | 8.7/10 |
1. Zazzee USDA Organic Slippery Elm Bark 20:1 Extract – Best Overall
- OUTSTANDING VALUE / 4 MONTH SUPPLY: Our Certified Organic Slippery Elm Extract contains 8000 mg strength per capsule, 120 capsules per bottle AND is USDA Certified Organic – an amazing value! Compare this to other leading brands that contain less capsules, are not Certified Organic and use a much less potent, non-extract powder. Our Certified Organic Slippery Elm Extract is a bargain not be found elsewhere!
- USDA CERTIFIED ORGANIC: Any Slippery Elm that is not CERTIFIED organic can be highly contaminated and even harmful. With Zazzee Naturals Certified Organic Slippery Elm, you can be sure your Slippery Elm is organic, all-natural, vegan, and non-GMO. More, while other competing products use various chemicals as fillers, binders, and excipients, our Organic Slippery Elm instead uses a unique blend of organic stabilizers.
- 8000 MG STRENGTH / POTENT 20:1 EXTRACT: Each capsule contains 8000 mg strength of Slippery Elm Extract from a potent, powerful 20:1 extract. Combine that with USDA Organic Certification, and our Extra Strength Organic Slippery Elm Extract is one of the strongest dosages available!
- NATURAL, VEGAN & NON-GMO: All ingredients, including the capsule, are 100% vegan. Our Extra Strength Slippery Elm Extract does not contain any sweeteners, artificial flavors, wheat, corn, gluten, soy, milk, egg, fish, shellfish, or tree nut ingredients. Enjoy the amazing benefits of our potent Slippery Elm Extract without worrying about what else might be hiding in each capsule!
- GOLD STANDARD PRODUCTION: Your health and safety mean everything to us. For that reason, our Extra Strength Slippery Elm Extract is manufactured in the USA, in a fully certified facility with adherence to good manufacturing policies and under the most stringent quality control. You can rest assured that you get the best value for your money!
Zazzee delivers the most potent slippery elm extract on the market with a concentrated 20:1 ratio and full USDA organic certification.
Each capsule provides 8,000 mg strength of slippery elm bark extract, making it one of the strongest options available. The 120-capsule bottle lasts a full four months, and every capsule is 100% vegan with no artificial fillers, sweeteners, or common allergens. Manufactured in the USA in an FDA-certified, cGMP-compliant facility with ISO lab testing for purity and potency.
- Pros:
- Highest potency available with 20:1 concentrated extract
- USDA certified organic with clean ingredient profile
- 4-month supply per bottle offers outstanding value
- Cons:
- Extract form may differ from traditional whole bark experience
- Higher price point than basic powder options
Best for: Anyone wanting the strongest, cleanest slippery elm supplement with organic certification and long-term value.
2. USDA Organic Slippery Elm for Women & Men – Best for Gut Lining Support
- Don’t be fooled. Slippery Elm Bark capsules that aren't Organic can contain unwanted contaminants. Peak Performance ensures you have a USDA Organic, high quality supplement that is 3rd party tested for purity.
- Research from the National Institute of Integrative Medicine showed that a multi-herbal formula including slippery elm improved gastrointestinal symptoms and supported gut health in adults with digestive issues.
- Many Benefits - Slippery Elm Bark is traditionally used to soothe the GI tract and support the gut lining, promote healthy digestion and help reduce bloat and digestive discomfort, and provide natural mucilage to soothe the throat and esophagus.*
- Vegan & Allergy-Free - No soy, milk, egg, shellfish, corn, wheat, peanuts, gluten, or preservatives. Manufactured under the highest GMP quality standards in the USA.
- 1-For-1 Donation Match Program! Through our 1-for-1 partnership with the nonprofit Vitamin Angels, every purchase provides a child at risk of malnutrition with vitamins for a full year. To date we have helped over 3 million children through this partnership, so thank you for supporting this mission.
This micronized slippery elm bark powder delivers enhanced absorption for targeted digestive and gut lining support.
The micronization process breaks down the bark into finer particles for improved bioavailability compared to standard ground bark capsules. Formulated for both men and women, this USDA organic supplement supports digestion, bloating relief, and gut lining health. The vegan capsules contain pure slippery elm bark with no unnecessary additives, and the mucilage content helps soothe throat and airways as well.
- Pros:
- Micronized powder for better absorption
- USDA organic and vegan-friendly
- Supports both digestive and respiratory comfort
- Cons:
- Smaller capsule count than some competitors
- Not a concentrated extract like 20:1 options
Best for: Those looking for a well-rounded, organic slippery elm supplement with enhanced absorption for gut lining support.
3. NOW Supplements Slippery Elm 400 mg – Best Trusted Brand
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NOW Foods brings over 50 years of supplement manufacturing expertise to this straightforward, reliable slippery elm capsule.
Each vegetarian capsule delivers 400 mg of pure slippery elm bark, with a recommended dose of 2 capsules taken 1-3 times daily. The formula is GMP Quality Assured with an NPA A-rated certification, meaning every aspect of manufacturing has been independently examined. Free from major allergens including soy, wheat, gluten, corn, milk, egg, fish, and shellfish. Non-GMO verified and keto-friendly.
- Pros:
- Backed by NOW Foods’ decades of quality manufacturing
- NPA A-rated GMP certification for verified quality
- Clean formula free from all major allergens
- Cons:
- Lower per-capsule dosage requires multiple capsules per serving
- Not organically certified
Best for: Anyone who values a proven, trusted brand with rigorous third-party quality testing.
4. Nature’s Way Slippery Elm Bark – Best Traditional Formula
- Nature's Way Slippery Elm Bark provides traditional GI support.* It has traditionally been used to soothe the digestive tract*
- Provides 1,600 mg slippery elm bark per 4-capsule serving with slippery elm Natures Way
- Adults take 4 slippery elm bark capsules three times daily between meals with warm water
- Gluten-free and vegan. No wheat, corn, soy, dairy, gelatin, or artificial colors or flavors. Non-GMO Project Verified
- At Nature’s Way, we believe nature is the ultimate problem solver. For over 50 years, we have looked to the natural world for inspiration. Our quality vitamins and supplements are formulated to help you find your way to wellness
Nature’s Way offers a traditional slippery elm bark supplement backed by the brand’s 50+ year heritage in herbal remedies.
Each 4-capsule serving provides 1,600 mg of slippery elm bark, following the traditional usage pattern of taking with warm water between meals. The formula is TRU-ID certified, confirming the botanical identity through DNA testing. Non-GMO Project Verified, vegan, and free from wheat, corn, soy, dairy, gelatin, and artificial colors or flavors. The bark is sustainably harvested to preserve slippery elm tree populations.
- Pros:
- TRU-ID certified for verified botanical identity
- Sustainably harvested bark sourcing
- Non-GMO Project Verified with clean label
- Cons:
- Requires 4 capsules per serving
- 100-capsule bottle runs out faster at full dosage
Best for: Users who want a traditional, identity-verified slippery elm supplement from an established herbal brand.
5. Nutricost Slippery Elm Bark 1000 mg – Best Budget Pick
- 120 Slippery Elm Bark Capsules Per Bottle
- 1,000mg Of Slippery Elm Bark Per Serving
- 2 Plant-Based Capsules Per Serving
- Non-GMO, Gluten Free, Vegetarian Friendly
- Made in a GMP Compliant Facility
Nutricost delivers a no-frills slippery elm supplement at one of the lowest prices per serving on the market.
Each 2-capsule serving provides 1,000 mg of pure slippery elm bark powder. The 120-capsule bottle gives you 60 servings at a price point that is hard to beat. Manufactured in a GMP-compliant facility, and the formula is non-GMO, gluten-free, and vegetarian-friendly. No concentrated extract here — just straightforward bark powder in a clean capsule.
- Pros:
- Excellent price-to-serving ratio
- Simple, clean formula with no unnecessary additives
- GMP-compliant manufacturing
- Cons:
- Standard bark powder rather than concentrated extract
- Not organically certified
Best for: Budget-conscious buyers who want a reliable, basic slippery elm supplement without paying for premium features.
6. Deal Supplement Slippery Elm Capsules – Best Value Pack
- Special Features – Max strength slippery elm bark capsules, high concentrated extract made from organic inner bark, natural plant based herbal support.
- Benefits & Use – By using the inner bark, this ensures a potent and pure product that harnesses the full benefits of slippery elm, it may support soothing mucilage properties for the throat and GI tract.
- Dosage & Servings – 300 capsules per bottle, 2 capsule serving size, delivers organic slippery elm bark as ulmus rubra from 400mg of extract per dose, 150 servings.
- Purpose – Slippery elm bark has been a trusted herb utilized for its naturally occurring bioactive nutrients and Deal Supplement’s extract amplifies its concentration for maximized benefits.
- Quality Ensured – Non-GMO ingredients that are 3rd party lab tested and passed. Made without gluten, dairy, eggs, peanuts, soy, wheat, & yeast.
With 300 capsules per bottle and organic inner bark extract, Deal Supplement provides one of the longest-lasting slippery elm options available.
Each 2-capsule serving delivers 400 mg of organic slippery elm bark extract, and the massive 300-count bottle lasts up to 150 servings. The product uses a 15:1 concentrated extract derived from organic inner bark, which is the most beneficial part of the tree. Third-party lab tested, non-GMO, and free from gluten, dairy, eggs, peanuts, soy, wheat, and yeast.
- Pros:
- 300-capsule bottle offers exceptional long-term value
- Made from organic inner bark with concentrated extract
- Third-party tested for purity and quality
- Cons:
- Lower extract ratio (15:1) compared to Zazzee’s 20:1
- Smaller brand with less market recognition
Best for: Anyone who wants to stock up on slippery elm for daily, long-term use without frequent reordering.
7. Oregon’s Wild Harvest Slippery Elm – Best Organic
- 90 organic vegan capsules
- Made with certified organic Slippery Elm inner bark, sustainably harvested to ensure a long, healthy lifespan for the Slippery Elm tree
- FREE FROM gluten, dairy and soy allergens
- Product verified non-GMO by SGS, an independent, third-party lab
- USDA certified organic by Oregon Tilth & Manufactured with love by us in Redmond, Oregon USA
Oregon’s Wild Harvest uses sustainably harvested, certified organic slippery elm inner bark with absolutely nothing else in the capsule.
The formula contains just two ingredients: organic slippery elm inner bark and an organic pullulan capsule made from naturally fermented tapioca starch. No fillers, no excipients, no stearates. The 90-capsule bottle is designed for 30 servings at 3 capsules per day. The bark is hand-harvested from trees at least 15 years old, ensuring sustainability and tree preservation.
- Pros:
- Purest formula — only two ingredients
- Sustainably hand-harvested from mature trees
- Organic pullulan capsules (no gelatin or chemical capsule materials)
- Cons:
- Only 90 capsules per bottle (30 servings)
- Higher cost per serving than larger bottles
Best for: Purists who want the cleanest possible slippery elm supplement with nothing artificial and fully sustainable sourcing.
8. NOW Supplements Slippery Elm Powder – Best Powder Form
- HERBAL SUPPLEMENT: Slippery elm, also known as red elm, moose elm, or Indian elm, is a small North American tree that has been traditionally used by herbalists for over 100 years
- HELPS COAT AND SOOTHE GI TRACT*: Its bark is known for its mucilage constituents, which can help to coat and soothe the tissues of the GI tract*
- CERTIFICATIONS/CLASSIFICATIONS: Soy Free, Non-GMO, Vegan, Nut Free, Made without Gluten, Corn Free, Dairy Free, Egg Free, Keto Friendly, Kosher
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
- Packaged in the USA by a family owned and operated company since 1968
For those who prefer mixing their supplements into teas or beverages, NOW’s slippery elm powder offers versatile dosing and traditional preparation.
This 4-ounce container of pure slippery elm bark powder can be stirred into water and simmered to create a soothing tea, or gargled for throat relief. The powder form allows for flexible dosing and mimics the traditional way slippery elm has been used for centuries. Non-GMO Project Verified, soy-free, vegan, and GMP Quality Assured. Made in the USA by a family-owned company since 1968.
- Pros:
- Versatile powder form for teas, gargles, and custom dosing
- Traditional preparation method for maximum mucilage benefit
- Non-GMO Project Verified with clean sourcing
- Cons:
- Requires preparation — not as convenient as capsules
- Taste and texture may not appeal to everyone
Best for: Those who prefer a traditional powder form for making slippery elm tea or want flexible dosing options.
9. Slippery Elm for Women – Best for Women’s Wellness
- IN THE BEDROOM: This vaginal health supplement contains active ingredients to support your vaginal lining for enhanced pleasure and intimacy*. Vaginal wetness can be as easy as two capsules a day!*
- SLIPPERY ELM BARK & SEA BUCKTHORN: Gently formulated with Sea Buckthorn and Slippery Elm Bark capsules, with hydrating complexes to effectively soothe and support vaginal dryness relief.*
- POWER: As a woman, life changes shouldn’t dictate your intimate comfort. If you've wondered how to increase vaginal moisture, look no further for holistic herbal support and reclaim your confidence.*
- EASY TO TAKE: Our easy-to-swallow capsules are made with premium vaginal moisturizers like MCT Oil and Vitamin E. Just two capsules per day provide 750mg of our Sea Buckthorn and Slippery Elm Bark complex.
- MADE WITH YOU IN MIND: Our female dryness supplements are free of the Top 9 Allergens. They are Third-Party Tested to ensure quality and efficacy with every serving.
This slippery elm supplement is specifically formulated to support vaginal moisture and dryness alongside general digestive health benefits.
While slippery elm is traditionally known for gut health, this formula targets women’s wellness by leveraging the mucilage-producing properties of slippery elm bark for internal moisture support. The supplement provides a focused approach for women dealing with dryness-related discomfort, while still delivering the standard digestive and throat-soothing benefits of slippery elm.
- Pros:
- Targeted formula for women’s specific wellness needs
- Dual benefit for both digestive and moisture support
- Unique positioning in the slippery elm market
- Cons:
- Narrower use case than general-purpose slippery elm
- Limited reviews compared to established brands
Best for: Women looking for a slippery elm supplement that supports vaginal moisture and dryness alongside digestive comfort.
How to Choose the Best Slippery Elm Supplement
The most important factor when choosing a slippery elm supplement is whether you want a concentrated extract or whole bark powder. Concentrated extracts (like 10:1 or 20:1) deliver more active mucilage compounds per capsule, while whole bark powder provides the full spectrum of bark constituents in a more traditional form. Both approaches work — extracts are more potent per capsule, while whole bark may provide a more complete nutrient profile.
Dosage varies significantly between products. Whole bark powders typically require 400-1,600 mg per serving, while concentrated extracts deliver equivalent potency at much lower raw weights. Look for products that clearly state the extract ratio and the equivalent strength so you know what you are actually getting.
Organic certification matters more with slippery elm than many other supplements because the bark is harvested from wild trees that can be exposed to environmental contaminants. USDA organic and Non-GMO Project Verified labels provide meaningful quality assurance. Also look for GMP certification and third-party testing as additional quality indicators.
Form is largely a matter of preference. Capsules offer convenience and consistent dosing, while powder allows for traditional tea preparation and flexible amounts. Powder mixed with water activates the mucilage more directly, which some users prefer for throat and upper GI soothing.
Frequently Asked Questions
What is slippery elm and what does it do?
Slippery elm (Ulmus rubra) is a North American tree whose inner bark contains mucilage — a gel-like substance that forms when mixed with water. This mucilage coats and soothes the mucous membranes of the digestive tract, throat, and airways. It has been used in traditional medicine for centuries to address digestive discomfort, sore throats, coughs, and irritated bowels.
How much slippery elm should I take daily?
For whole bark powder capsules, typical dosages range from 800 mg to 1,600 mg taken 2-3 times daily with water. For concentrated extracts (10:1 or 20:1), a single capsule per day is often sufficient due to the higher potency. For powder, 1 teaspoon stirred into 1 cup of water and simmered makes one serving. Always follow the specific product’s label instructions.
When is the best time to take slippery elm?
Slippery elm is best taken between meals with warm water. Because the mucilage can coat the digestive tract and potentially slow the absorption of medications and other supplements, it should be taken at least 1-2 hours before or after other medications. Taking it 30 minutes before meals can help soothe the stomach lining before food arrives.
Are there any side effects of slippery elm?
Slippery elm is generally well tolerated. The most common consideration is that its mucilage can interfere with the absorption of other medications when taken simultaneously. Some people may experience mild allergic reactions, particularly with topical use. Pregnant or nursing women should consult a healthcare provider before use, as traditional sources suggest caution during pregnancy.
Can I take slippery elm with other supplements?
Yes, but spacing is important. Because slippery elm’s mucilage can coat the GI tract and slow absorption, take it at least 1-2 hours apart from other supplements or medications. It pairs well with marshmallow root, DGL licorice, and aloe vera for comprehensive digestive support, as long as they are not taken at the exact same time.
How long does it take for slippery elm to work?
Many users notice throat soothing and mild digestive relief within 30 minutes to an hour of taking slippery elm, especially in tea or powder form. For ongoing digestive issues like IBS or acid reflux, consistent daily use for 2-4 weeks typically provides the best results as the mucilage helps maintain a protective coating over irritated tissues.
