Best Powder Prebiotic Supplements of 2026

This 2.2lb Organic Inulin FOS Powder is a water-soluble prebiotic fiber that promotes digestion, colon and gut health, and nourishes beneficial bacteria. It is vegan-friendly and contains no additives, preservatives, fillers, GMOs, artificial colors, soy, or gluten. A scoop is included for perfect measurement every time, and it can be added to shakes or smoothies for daily intake. The powder form allows for higher concentration, quicker absorption, and is gentler on the stomach.

NOW Inulin Prebiotic Powder is a certified organic and non-GMO prebiotic supplement that supports intestinal health. It contains inulin, a soluble fiber that nourishes friendly bacteria in the large intestine. This helps to maintain the health and function of the intestines. Inulin has a very low glycemic index and adds a mild sweetness to foods and drinks without negatively impacting blood sugar levels. The product is packaged in the USA by a family-owned company that has been in operation since 1968. With NOW Inulin Prebiotic Powder, you can conveniently provide your body with the beneficial effects of prebiotics and support your overall digestive well-being.

Kate Naturals Inulin Powder is a fantastic choice for enhancing your gut health. This organic prebiotic fiber is derived from Blue Agave, helping to improve digestion and alleviate issues like constipation. As a plant-based, gluten-free option, it fits perfectly into vegan and keto diets, allowing you to incorporate it easily into your daily routine. You can simply stir it into your favorite beverages or meals, providing an effortless way to boost your fiber intake. Additionally, this powder serves as a natural sweetener, making it a versatile ingredient for baking and cooking without altering the flavor of your dishes.

It's Just! Inulin Prebiotic Fiber Sweetener is a natural and water-soluble fiber that comes from the chicory root, which promotes healthy digestion and bowel function. It can also help improve blood sugar levels and mineral absorption, making it a great addition to your healthy lifestyle. Since it's a zero-calorie, indigestible fiber, it won't weigh you down, but keep you moving.

The NOW Foods Acacia Fiber is a highly soluble supplement that dissolves quickly, making it easy for you to mix into your favorite drinks or recipes without clumping. It provides gentle, natural fiber that supports healthy digestion and helps keep your intestines regular. This fiber also acts as a prebiotic, nourishing the good bacteria in your gut to promote a balanced and healthy digestive system. Additionally, you can trust the quality of this product, as it has been carefully tested and certified under strict GMP standards, ensuring you get a safe and reliable supplement every time.

SIMIFIBRA FORTE Fiber Powder is designed to support your digestive health by helping keep your bowel movements regular, which can lead to a healthier gut. This supplement contains natural fibers like wheat bran and maguey, which work together to ease digestion and help prevent occasional constipation, so you can feel more comfortable daily. It also provides a sense of fullness, which may help you manage your weight by reducing hunger and cravings. Plus, its blend of ingredients like soy protein, seaweed, cocoa, cinnamon, and essential vitamins offers extra health benefits to keep you feeling your best.

THORNE Complete Biotic combines three powerful ingredients—a prebiotic, probiotic, and postbiotic—to help keep your gut healthy and balanced. This blend supports your digestive system by easing occasional issues like constipation, diarrhea, gas, and bloating, making it suitable for adults and kids over 4 years old. The powder has a pleasant orange flavor and melts quickly in your mouth, offering a convenient way to take it anywhere with single-serving stick packs. Just one stick daily is designed to promote regular digestion and comfort, helping you feel better from the inside out.

Begin Health Prebiotics for Kids is specially crafted to support your child's digestive health. It features a unique 2'-FL HMO formula, similar to what’s found in breast milk, which helps maintain a healthy gut. Each serving includes 3 grams of high-quality fiber from chicory root, addressing the common issue of fiber deficiency in children. This product is designed to make bowel movements easier, ensuring your little one experiences comfortable potty times. Regular use can promote better digestion and regularity, making it a great addition to your child's daily routine.

Bulletproof Innerfuel Prebiotic Fiber Powder is a vegan dietary supplement that supports digestive health and gut health. This unflavored, quickly dissolving prebiotic supplement is keto-friendly, naturally sugar-free, gluten-free, non-GMO, soy-free and lab-tested for purity and potency. With 17g prebiotics, it feeds the beneficial bacteria in your gut to keep your microbiome thriving. For daily gut health support, mix 1-2 scoops into your favorite beverage. This science-backed ingredient supplement is perfect for adult health.

ZEBORA Probiotics for Women, Men and Kids is an advanced strength formula featuring 50 billion CFUs live cultures from 13 clinically proven strains including L. Acidophilus. It also combines 4 kinds of Organic Prebiotics Fiber for maximum effectiveness. The delay-release technology and delivery system allow strains to survive stomach acid and bile and reach deep enough and fully adhered to support a healthy gut. Our probiotics powder's mechanisms include activity against undesirable flora, intestinal barrier integrity support, immunity, and healthy inflammation response. It is hypoallergenic and helps achieve weight management goals, improve energy, and make life easier with good mood/health.