The 6 Best Fiber Supplements for Women, According to Experts

ProsProvides 7 grams of soluble fiber per servingSingle-ingredient formula without fillers or sweetenersExcellent value for the amount of fiber you getConsThickens quickly after mixingThe only ingredient is psyllium husk, one of the most well-studied sources of soluble fiber for supporting digestive, heart, and metabolic health. It also delivers an impressive 7 grams of fiber per serving, making it one of the best values on this list.You don’t have to use a full serving every time—you can easily adjust the amount to fit your needs. I also add it to oatmeal, yogurt, smoothies, or chia pudding instead of drinking it on its own.Just keep in mind that psyllium thickens quickly once it’s mixed, so it’s best enjoyed right away.Read More: Best High-Fiber FoodsFiber Type(s)PsylliumFiber per Serving7gDose1 TbspCost per Serving$0.30ProsProvides soluble, prebiotic, and insoluble fibersAvailable in unflavored and cinnamon varietiesTravel packs available for on-the-go convenienceConsMore expensive than single-fiber supplementsThis formula provides 6 grams of fiber from three sources: soluble fiber from psyllium husk, prebiotic fiber from resistant potato starch, and insoluble fiber from rice bran hull.Psyllium provides well-studied soluble fiber, while resistant potato starch acts as a prebiotic to nourish beneficial gut bacteria. Rice bran hull rounds out the blend by adding insoluble fiber to help promote regular bowel movements.It’s available in both unflavored and cinnamon varieties, as well as convenient travel packs for days you're away from home—when getting enough fiber can be extra challenging.Read More: Best Supplements for WomenFiber Type(s)Psyllium, resistant potato starch, rice bran hullFiber per Serving6gDose2 scoopsCost per Serving$1.33Advertisement - Continue Reading BelowProsProvides 7 grams of prebiotic fiber per servingContains partially hydrolyzed guar gum (PHGG), a well-studied prebiotic fiberMixes easily with minimal thickeningConsPricier than many other fiber supplementsAvailable only in an unflavored optionThis prebiotic fiber blend provides 7 grams of fiber per serving, primarily from partially hydrolyzed guar gum (PHGG), a well-studied soluble fiber known for its prebiotic effects.Studies suggest PHGG helps nourish beneficial gut bacteria and supports regular bowel movements. Unlike psyllium, which forms a gel when mixed with liquid, it dissolves with little change in texture.The formula also includes smaller amounts of arabinogalactan, pectin, and rice bran, which add a variety of prebiotics and soluble fibers to the blend, potentially supporting the gut in different ways.Fiber Type(s)Partially hydrolyzed guar gum, arabinogalactan, pectin, rice branFiber per Serving7gDose1 scoopCost per Serving$1.50ProsExceptional value for the priceEasy to customize your fiber intakeOne container will likely last for monthsConsMay require multiple scoops to reach your fiber goalNo flavored optionsAt about $27 for 680 servings, you’ll get far more servings per container than with many other fiber supplements—even if you use multiple scoops at a time.Because each scoop provides 1 gram of fiber, you don’t have to commit to a large serving right away. That’s especially helpful if you're new to fiber supplements or only need a little extra fiber to fill the gaps in your diet.Fiber Type(s)PsylliumFiber per Serving1gDose¼ tspCost per Serving$0.04Advertisement - Continue Reading BelowProsAvailable in several flavored optionsProvides 9 grams of fiber per servingOffers a blend of soluble and prebiotic fibersConsContains stevia and monk fruit, which may not appeal to everyonePricier than some single-fiber powdersHigher fiber content may cause gas or bloating if introduced too quicklyAvailable in chocolate, mango pineapple, and mixed berry, this multi-fiber supplement makes adding fiber to water, smoothies, or your morning protein shake a little more enjoyable. There’s also an unflavored option if you’d rather add it to recipes without changing the taste.Each scoop provides a generous 9 grams of fiber from three sources. Psyllium provides soluble fiber, while soluble corn fiber and inulin have prebiotic effects that help nourish beneficial gut bacteria.If you’re new to fiber supplements, start with a partial serving. At 9 grams of fiber per scoop, this is one you’ll want to ease into.Fiber Type(s)Psyllium, soluble corn fiber, inulinFiber per Serving9gDose1 scoopCost per Serving$1.03ProsConvenient, mess-free alternative to fiber powdersProvides a well-studied source of soluble fiberEasy to adjust your dose by taking fewer or more capsules as neededConsRequires five capsules for a full servingNot suitable for vegans (contains gelatin)More expensive per gram of fiber than most powdersIf you’ve tried psyllium powder but couldn't get past the texture—or simply prefer the convenience of capsules—this is a practical alternative.Each five-capsule serving provides 2 grams of soluble fiber from psyllium—no mixing required. While five capsules may sound like a lot, you can start with fewer and gradually increase the amount based on your needs.The capsules are more expensive per gram of fiber than most powdered options, but if they’re easier for you to take consistently—whether at home, at work, or while traveling—that added convenience may be well worth it.Fiber Type(s)PsylliumFiber per Serving2gDose5 capsulesCost per Serving$0.60