Best Kirkland Signature Dietary Fiber Supplements in 2026

Prebiotics

Relieves constipation

Mix it in your favorite foods

5 grams of fiber to support regularity and support digestive health[1]

6 high potency B vitamins to support fat, carb and protein metabolism for cellular energy[1]

Natural Peach, Raspberry and Berry Flavors

STAY CLEAN, STAY READY: Our Stay Ready premium fiber pill keeps you feeling light—and your runway clear for landing! Take control of your digestive health with our proprietary fiber blend made with clean, plant-based ingredients for a more confident you.

SUPPORTS DIGESTIVE HEALTH & REGULARITY: When combined with water, psyllium husk forms a gel that can help keep your bowels regular and helps support digestive health. Get rid of excess weight & get yourself regular.

TRAP & REMOVE EXCESS WASTE: Stay Ready Fiber has been known to be very useful as a cleanliness tool. Our leading fiber supplement is 100% vegan & has 50% more fiber per capsule than other competitors.

Natural Fiber Supplement

Completely Dissolves in Water

Non-Thickening and Grit-Free

Compare to Benefiber Powder active ingredient.

100% Natural Fiber Supplement.

Clear, Non-Thickening Powder.

With 6 grams of soluble fiber per serving, Sunfiber helps alleviate both occasional constipation and diarrhea by promoting regular, healthy bowel movements*

Sunfiber ferments slowly in the gut, promoting digestive health without excess gas or bloating;* Our gentle, low FODMAP-certified formula is typically well-tolerated by individuals with sensitive stomachs*

Supports healthy weight management by increasing satiety and keeping you full for longer;* Controls the glycemic index of foods while decreasing post-meal glucose spikes*

Supports Digestive Health: Healthy Fiber (Sunfiber) is a plant-based dietary fiber supplement powder that supports gut health and helps relieve occasional constipation

Plant-Based Fiber Powder: This fiber powder is made from partially hydrolyzed guar gum, a plant fiber that is gentle on the digestive system

Colon Support and Gut Health: This high fiber supplement aids your colon while supporting the regularity and growth of beneficial microorganisms

✅ ARE YOU GETTING ENOUGH FIBER? Health authorities recommend 25 to 40 grams of daily fiber for good health. But many Americans only get 10g - 15g of fiber a day. Change that with these easy to take fiber caps.

✅ FIVE FIBER TYPES: Many bulking supplements only contain psyllium husks. This premium bulking formula has all 5 types of fiber for superior results for both men and women.

✅ SOLUBLE FIBER BENEFITS: Helps to support the population of friendly bacteria in the colon, softens the stools, helps promote overall health.*

120 GUMMIES | 2 MONTH SUPPLY - Made with Naturally sourced Fiber with Prebiotic properties - Based on serving size, Serving size is 2 gummies, Take 2 to 4 gummies daily for best results. Expiration date for the product can be found stamped on the bottom of each bottle or stamped on designated white area on the bottom right side of the label. KOSHER CERTIFIED - Produced and formulated to a higher standard.

ZERO SUGAR ADDED TASTEFUL, DELICIOUS SUPPLEMENTS - Our great zero sugar added fruit flavored gummy, makes your daily dose of much needed nutrition's, fun easy and tasty.

DIGESTIVE HEATH REGULARITY SUPPORT - With our specially Formulated Prebiotic Fiber gummies. Viteey's Gastroenterologist recommended Digestive Heath Properties, delivers the prefect combination to help your Regularity support system. Viteeys Gummies ingredients are perfectly Formulated and combined for adults and kids, Just give it a chew, and let it work for you!

DELICIOUS GUMMY FORMULA FROM THE FIBER BRAND YOU TRUST: Metamucil Fiber Gummies are from the makers of the #1 selling fiber supplement brand

CONTAINS 5G OF FIBER PER SERVING: Getting more fiber in your diet has never been easier – taking just three delicious Metamucil Fiber Gummies adds 5g of fiber to your diet!

PLANT-BASED FIBER BLEND: Metamucil Gummies contain a plant-based fiber blend including Fibersol that together create an exclusive blend of fibers that can help you achieve your fiber intake goals

Next level acacia fiber for faster support of gut health and leaky gut; Easily mixes, tasteless and no extra gas or bloating; Purity you will feel to support normal, easy bowel movements; A true soluble fiber superfood to support your gut for overall wellness; Multiple verifications, USDA organic, cGMP manufacturing facility & see the seals in the images; Digestive discomfort will be in the past

Whether your goal is to have easy regularity and support the gut lining, increase soluble fiber or good bacteria (aka probiotics), support normal gut inflammation or support healthy levels; Advanced Acacia Fiber will help you reach your goals faster and quicker with only real organic pristine acacia powder; A truly unprocessed, organic and pure with all its gut restoring nutrients intact

Whether your goal is to have easy regularity, restore and support the gut lining, increase soluble fiber or good bacteria (aka probiotics), support normal gut inflammation or support healthy cholesterol levels; Advanced Acacia Fiber will help you reach your goals faster and quicker with only real organic pristine acacia powder; Only tan color acacia fiber is truly unprocessed, organic and pure with all its gut restoring nutrients intact

ORGANIC PREBIOTIC FIBER: 100% soluble adult prebiotic fiber for both men and women has no taste, no texture and dissolves completely in foods and beverages (Package May Vary)

HEALTHY WEIGHT MANAGEMENT FOR ADULTS: Prebiotic powder and fiber supplement helps you feel less hungry for healthy weight management

NON-GMO PROJECT VERIFIED: Daily fiber supplement is USDA Organic, gluten free, dairy free and soy free, and Non-GMO Project Verified; Made in the USA using only the highest quality global ingredients

Prebiotic Fiber Supplements: These gummies are convenient prebiotic fiber supplements to help support regularity; Also available in chewable tablets

Plant-Based Fiber: Made with a prebiotic fiber found in a variety fruits and vegetables which helps balance the digestive tract by support the growth and activity of beneficial bacteria in the gut. Perfect for our vegetatian friends!

Gummies: Fiber Choice gummies are a simple and tasty way to get the additional fiber you need in your daily diet

180 GUMMIES | 2 MONTH SUPPLY - Made with Naturally sourced Fiber with Prebiotic properties - Based on serving size, Serving size is 3 gummies, Take 3 to 6 gummies daily for best results. KOSHER CERTIFIED - Produced and formulated to a higher standard.

ZERO SUGAR ADDED TASTEFUL, DELICIOUS SUPPLEMENTS - Our great sugar free fruit flavored gummy, makes your daily dose of much needed nutrition's, fun easy and tasty.

DIGESTIVE HEATH REGULARITY SUPPORT - With our specially Formulated Prebiotic Fiber gummies. Viteey's Gastroenterologist recommended Digestive Heath Properties, delivers the prefect combination to help your Regularity support system. Viteeys Gummies ingredients are perfectly Formulated and combined for adults and kids, Just give it a chew, and let it work for you!

Makes taking fiber easier

Completely dissolves in beverages and good for cooking

Clear, non-thickening powder

UCll Undenatured Type II Collagen, Boron, Hyaluronic Acid

Helps Preserve Joints and Maintain Cartilage

Helps Support Joint Mobility, Flexibility and Comfort

Organic Triple Soluble Fiber Powder (Chicory Root Inulin Fiber, Acacia Fiber and Psyllium Husks Fiber Blend 3 in 1 Complex Formula), 2 Pounds (32 Ounce), Daily Fiber Advanced Powder, Unflavored, Hunger Control and Vegan Friendly.

Fiber Powder Organic, Promote Digestion, Colon and Guts Health and Nourish Beneficial prebiotics and probiotics.

Powder Lover? Take it naturally in powder for higher concentration, quicker absorption, easier on the stomach, and more ways to have fun.

FIBER SUPPLEMENT FOR ADULTS AND KIDS 4 AND UP: Raw Organic Fiber powder supports bowel regularity and elimination of toxins, providing 9g of fiber per serving (32% DV) along with 8 grams of protein, probiotics, and Omega 3 fatty acids for overall health

SUPERFOOD FIBER: Our Fiber powder is made with 15 Raw and Certified Organic superfoods—sprouted seeds, grains & legumes like Flax, Quinoa and Chia—without any filler ingredients and 0g of sugar; Can your fiber gummies, capsules or bars do that?

CONSTIPATION RELIEF: This Paleo and Keto friendly Organic Fiber supports healthy gut flora balance, but we didn't stop there; It also supports regular bowel function and helps relieve occasional constipation, without any harsh fibers such as psyllium

BOOST ENERGY LEVELS: A Polyphenol-rich superfood greens blend with 11 of the most powerful vegetable polyphenols to help boost your energy and refresh your skin.*

ENHANCE DIGESTION: Primal Plants includes Pectin, a powerful kind of dietary fiber that serves two roles in digestion: It feeds the healthy probiotics in your gut, and helps ease digestion. It may even help your body absorb vital nutrients like calcium more efficiently.*

IMPROVE MENTAL CLARITY AND FOCUS: The supplement contains nutrients like vitamin B6, which are important for brain health and can help improve mental clarity and focus. This can help you stay focused and productive throughout the day.*

This advanced strength formula contains the highly bioavailable form of B-12. This is an active form of B-12 as it does not need to be converted.Each sublingual lozenge ensures that B-12 is optimally delivered to the body

b12 Vitamin Sublingual 5000 Mcg With excellent cherry flavor, support fast dissolution under the tongue,Believe that you will expect to take it all the time, which is good for brain and heart function

Maintaining adequate levels of vitamin B12 is essential for our health, and therefore the key enzymatic processes in the body are functioning normally to support the nervous system and brain function. It helps to keep us all busy

Excellent source of insoluble fiber to support bowel function

Supports healthy elimination and digestive regularity*

Suggested Use: Drink 1 teaspoon mixed with water 2 or 3 times daily before meals, or as directed

LESS BLOATING AND DISCOMFORT: Each Ultra-Fiber caplet features a balanced blend of soluble and insoluble fiber that supports improved regularity, but without the gassy discomfort often prompted by other fiber supplements*

MORE FIBER IN A SMALLER PILL: Each Ultra-Fiber caplet contains 48% more fiber than the leading psyllium capsule in a smaller, easy to swallow coated caplet. This is the convenient way to boost daily fiber intake

FIBER FROM 6 DIFFERENT PLANT SOURCES: Ultra-Fiber contains fiber from chicory, citrus, psyllium, oats, apples, and prunes. It’s balanced for comfort and dependable results

RESTORE DIGESTIVE BALANCE - A blend of natural, prebiotic fibers that work together to feed the good bacteria in your gut, helping to promote healthy digestion and regularity. myfy is clear, unflavored, and easily dissolvable in most foods and beverages. Boost your fiber intake with one daily serving, often equivalent to two servings of other fiber supplements – making it easier and more convenient to add to your wellness routine.

CLEAN SOLUBLE BLEND - With myfy what you see is what you get, it's made from just 2 plant-based ingredients. We use the soluble form of wheat fiber, Wheat Dextrin sourced from France with partially Hydrolyzed Guar Gum, a fiber from the seed of the guar plant, sourced from Japan which promotes a feeling of fullness that can help decrease appetite.

STAY FULLER LONGER - Fiber is digested more slowly than simple carbs, which helps you feel fuller for longer and helps to control digestion. It also helps lower your cholesterol naturally. Soluble fiber has been clinically proven to increase the satiety effect – satisfying your appetite and helping you avoid those pesky cravings.

Sugar Free Fiber Gummies: Nature's Choice Natural Fiber Gummies are pectin based sugar free fiber gummies that support your overall gut health

Soluble Fiber: Soluble fiber is the part of plant based food that soaks up water as it passes through your digestive system and creates a gel to support your digestion

Digestion Support: Soluble fiber supports digestion by supporting the number of Lactobacilli in your gut

Vital Fiber has been formulated by natural digestive care expert Brenda Watson, CNC to provide a combination of Organic Flax, Pea, & Hemp Fiber.

The Vital Fiber supplement contains a blend of both soluble and insoluble fiber from natural sources like flax, pea, and hemp. It helps with occasional constipation and promotes bowel regularity. Vital Fiber does not contain Psyllium.

Organic fiber powder helps support healthy digestion, as well as the elimination of waste and impurities. Fiber has also been shown to maintain healthy blood sugar and cholesterol levels.

Natural Fiber Supplement, flavor free, sugar free, lactose free, no artificial coloring

Completely Dissolves in Water

Non-Thickening and Grit-Free

TOTAL GUT HEALTH - Good health starts in your gut! Fortify it with our groundbreaking Prebiotics, Probiotics, and unique GI Health Blend

PROBIOTIC BLEND - delivers 5 powerful strains of “good bacteria” to help optimize your digestion, support your immune health, and reduce gas and bloating

PREBIOTIC POWER - gives you the benefits of high quality fiber — critical for feeding your probiotics, enhancing digestion, and supporting maximum nutrient absorption