Best Flora Prebiotics in 2026

One package of 28 unflavored powder stick packs of Benefiber On the Go Prebiotic Fiber Supplement Powder for Digestive Health, Daily Fiber Powder

Benefiber prebiotic supplement made with wheat dextrin

Unflavored fiber powder that dissolves clear and completely in your favorite foods and beverages

Benefiber Original is a 100 percent natural daily prebiotic dietary fiber powder supplement

Unlike some other forms of fiber such as gummies, capsules, and tablets, Benefiber can be added to your favorite foods and beverages

Taste free, gluten free and sugar free and dissolves clear

The First Precision Prebiotic Supplement - Designed to selectively feed beneficial flora, this gut health support supplement is made up of clinically tested, non-digestible oligosaccharides that can increase microbial diversity. Designed to complement daily fiber intake and support gut health.*

Why Choose a 'Precision Prebiotic'? Standard bulky fiber supplements can also support ('feed') undesirable microorganisms in the GI tract. MegaPre unique gut health powder was designed to provide the intermediate byproducts (oligosaccharides) necessary to produce health-supportive flora, including Akkermansia muciniphila, Faecalibacterium prausnitzii, and Bifidobacteria.*

Combine with MegaSporeBiotic - Prebiotics and probiotics work together. MegaPre prebiotic fiber REINFORCES the beneficial microbial changes created by MegaSporeBiotic to promote a strong and diverse microbiome, and may be an ideal addition to your prebiotics and probiotics supplement regimen. Delicious pineapple orange guava flavored powder designed for adults, teens and kids (ages 3+). Mix with 16oz of water or blend into your favorite smoothie.

One 15 count package of Benefiber Advanced Digestive Health Prebiotic Fiber Supplement Powder with Probiotics for Digestive Health (1)

Dietary supplement for adults designed to help support gut health (1)

Fiber powder for adults that strengthen and nourish good bacteria to support gut health (1) using prebiotic fiber and probiotics

MER-MAZING SUPERFOOD POWDER: Our Mermaid Lemonade is a refreshing combo of spirulina, blue-green algae, lemon, and prebiotics. Spirulina is a potent microalga packed with vitamins and minerals that support eye and brain health. Blue-green algae help boost your energy and immune system.

DRINK BLUE, TASTE LEMON: Green juice isn’t the only healthy beverage option. This blue lemonade has a citrus taste and brings the wellness of increased energy, clarity, and eye and brain support. The added prebiotics can help your gut while your body absorbs all the spirulina goodness.

FOR YOUR ACTIVE LIFESTYLE: Just keep swimming forward with our spirulina and blue-green algae supplement packs. Work, family, kids—you do a lot. Our powder is ready to add to water so you can maintain a healthy, busy life. Take your superfoods on your schedule. We squeeze for you.

2 BILLION LIVE PROBIOTIC CULTURES + PREBIOTIC FIBER: Each stick contains a powerful, complementary blend of 2 clinically effective ingredients, including Bimuno Prebiotic Fiber and Bacillus coagulans Unique IS-2 probiotic. (1)

IMPROVES GUT HEALTH (1): Clinically shown to help retain optimal digestive balance and boost good gut bacteria in 7 days. (1) With regular use, Nature’s Bounty Prebiotic + Probiotic Powder sticks nourish good bacteria to help keep you regular and provide relief from occasional gas and bloating. (1)

TASTE-FREE FORMULA: Nature’s Bounty Prebiotic + Probiotic Powder Sticks mix easily, and are taste-free, so they can be added to your favorite hot or cold beverage or foods

Two Ingredients - Immune Booster features two clinically studied and supported ingredients (DE111 and PreforPro) to provide an easy way to help maintain your health.

Daily immune & digestive health - A scientifically advanced product for daily use to support immune and digestive health; Featuring a clinically supported probiotic strain and a patented prebiotic that work to promote good bacteria.

Convenient, single-serve packets - One packet per day helps maintain a healthy immune system, normal digestion and regularity anytime and anywhere—work, school, travel.

On-The-Go Immune Boost: Ciwoll prebiotic elderberry Mix Powder, 20 stick packs for your daily immune support by your entire family.*

Tasty Nutrition 3 in 1: Ciwoll prebiotic fiber + elderberry + vitamin C, support immune system + digestive health + anti-oxidation, and protect gut health.*

High Quality Standards: 100% plant-derived, pure prebiotic fiber and natural elderberry, Vegetarian and contains no gluten, milk, casein, soy, egg, artificial colors, flavors, artificial sweeteners, or GMOs, keto-friendly.