The 11 Best Fiber Supplements For Gut Health & Regularity, According To Experts*

With a unique blend of soluble, insoluble, and prebiotic plant fibers (via organic guar beans, mushrooms, and green kiwifruit) and 5 billion CFUs of resilient, spore-forming probiotic strain (Bacillus subtilis ATCC122264), this vegan powder delivers targeted ingredients to help diversify your gut microbiome, support short-chain fatty acid production (can aid intestinal barrier function), bolster gut immunity, and support healthy bowel movements. Plus, its high-potency dose of dietary fiber (six grams) helps bridge the fiber gap that faces 95% of the U.S. population (even kids!). Healthy poop and regularity, for all!*

Designed to support healthy intestinal transit time and regularity, this fiber blend delivers six grams of dietary fiber from oat hull and apple, making it perfect for individuals sensitive to psyllium, wheat, corn, or citrus. Packed with insoluble fiber (and soluble fiber, too!), this powder is a great addition to your morning coffee, tea, or smoothie to aid healthy bowel movements and overall gut health.*

Featuring seven Lactobacillus and Bifidobacterium strains (20 billion CFUs) and an organic prebiotic fiber blend of Jerusalem artichoke inulin and tapioca oligosaccharide, this fiber powder supports diversity and abundance of beneficial bacteria in the gut for immune health, mood balance, and healthy digestion. Choose from two delicious flavor profiles (apple raspberry and lavender lemonade) and mix a scoop into your chosen beverage for a sweet treat for you and your GI tract.*

Speaking of metabolic health… This oat bran supplement delivers activated oat fiber with 28% soluble oat beta-glucan to help support healthy cholesterol levels and overall cardiovascular function. In addition to “bad” cholesterol, soluble fiber binds to and removes other unwanted compounds—such as environmental toxins, extra hormones, and other waste. Consume one scoop per day for holistic cardiometabolic and digestive health support.*

Delivering organic chicory root inulin, acacia, and psyllium husk, this triple threat of prebiotic soluble fibers is your vegan solution to promoting healthy digestion, detoxification, gut microbiota balance, bowel movements, and more. Simply add a scoop to any beverage or food each day to give your GI tract the support it needs to maintain a healthy balance of beneficial bacteria.*

It’s challenging for most Americans to get enough dietary fiber each day, but this gut-critical carbohydrate can be especially tough to come by when you’re following a keto diet. This keto-friendly supplement delivers an excellent source of fiber (nine grams per serving) from an array of 15 raw, organic superfood seeds (flax, chia, sunflower, pumpkin, sesame) ancient grains (amaranth, quinoa, millet, buckwheat), legumes (garbanzo bean, lentil, adzuki bean), and nuts (coconut flour)—in a recyclable container, we might add.*

For those sensitive to FODMAP carbohydrates, this keto-friendly (and Monash University Low FODMAP certified) fiber blend of green banana powder resistant starch, soluble vegetable fiber (from corn), beta-glucan (from oats, and resistant potato starch is a great way to get an eight-gram serving of dietary fiber daily (without any added sugars). Mix the unflavored powder into your coffee, tea, oatmeal, or soup at home or on the go—the choice is yours, thanks to its individually packaged servings!*

Ladies, adding more dietary fiber to your diet can help promote regularity, ease bloat, aid vitamin and mineral absorption, regulate blood sugar levels, balance your gut microbiome, and support healthy, clear skin. So, what are you waiting for? This high-fiber blend delivers a daily, five-gram dose of soluble, insoluble, and prebiotic fibers from psyllium husk, flaxseeds, organic apples, peas, and chia seeds to promote gut, mood, and metabolic health.*

Our paleolithic ancestors consumed over 100 grams of dietary fiber on a daily basis! On average, Americans only consume around 16 grams per day. (Yikes.) Whether you follow the paleo diet or simply want a comprehensive fiber blend sans grains (e.g., wheat, oat, rice bran) and legumes (e.g., peas, beans, soy), this unflavored powder delivers: With an array of twelve types of soluble and insoluble fibers (i.e., acacia gum, cellulose, guar gum, cranberry seed powder, carrot fiber, inulin, orange fiber, apple pectin, glucomannan, psyllium husk, flax, and prune), this fiber supplement promotes healthy weight maintenance, glucose and lipid metabolism, gastrointestinal support, and more.*

This plant-based protein powder delivers an efficacious seven-gram dose of dietary fiber (from inulin, acacia, chia seeds, and guar gum), plus additional ingredients adults need later in life to support whole body-health and longevity—such as protein (from peas and sustainably grown chickpeas) for musculoskeletal function and strength and moringa powder for metabolic health and energy. (And did we mention the chocolate vanilla flavor profile? Yum!)*

While powder is an effective and popular delivery format for fiber supplements, it can be challenging to sneak into foods and drinks without your picky eaters noticing its distinctive flavor. Alternatively, these daily gummies come in three delicious flavors (strawberry, lemon, and orange) that will have your kiddos begging for more fiber without even realizing it. Take that, national fiber gap!*