20 Best Fos Supplement [2024]

Are you looking for the best fos supplement? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling fos supplement.

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1 NOW Supplements, NutraFlora FOS (Fructooligosaccharides) Pure Powder, Prebiotic Fiber, 4-Ounce NOW Supplements, NutraFlora FOS (Fructooligosaccharides) Pure Powder, Prebiotic Fiber, 4-Ounce
2 Source Naturals FOS POWDER Dietary Supplement, Fructooligosaccharides Probiotic Enhancer - 200 Grams... Source Naturals FOS POWDER Dietary Supplement, Fructooligosaccharides Probiotic Enhancer - 200...
3 Organic Inulin FOS Powder (Jerusalem Artichoke), 2.2 Pounds (35 Ounce), Quick Water Soluble,... Organic Inulin FOS Powder (Jerusalem Artichoke), 2.2 Pounds (35 Ounce), Quick Water Soluble,...
4 Jarrow Formulas Prebiotic Inulin FOS - 180g - Promotes Friendly Bacteria - Soluble Prebiotic Fibers... Jarrow Formulas Prebiotic Inulin FOS - 180g - Promotes Friendly Bacteria - Soluble Prebiotic...
5 Phosphorus Supplement | Nausea | Supports Bone Health | Phos Formula Phosphorus Supplement | Nausea | Supports Bone Health | Phos Formula
6 Swanson Dr. Stephen Langer's Formula - Natural Probiotic w/Prebiotic FOS - 16-Strain Supplement... Swanson Dr. Stephen Langer's Formula - Natural Probiotic w/Prebiotic FOS - 16-Strain Supplement...
7 Solaray NutraFlora FOS Prebiotic | 60 ct 770 mg Solaray NutraFlora FOS Prebiotic | 60 ct 770 mg
8 Organic Inulin Powder - Natural Prebiotic Fiber for Gut Health. USDA Organic Raw Whole Food Plant... Organic Inulin Powder - Natural Prebiotic Fiber for Gut Health. USDA Organic Raw Whole Food Plant...
9 Swanson Lactobacillus Rhamnosus with FOS - Probiotic Supplement Supports Digestive Health - 5... Swanson Lactobacillus Rhamnosus with FOS - Probiotic Supplement Supports Digestive Health - 5...
10 Swanson Signature Line Ultimate Probiotic Formula with FOS - Probiotic Supplement Supporting... Swanson Signature Line Ultimate Probiotic Formula with FOS - Probiotic Supplement Supporting...
11 NOW Nutra Flora Fos, 4-Ounces (Pack of 2) NOW Nutra Flora Fos, 4-Ounces (Pack of 2)
12 Jarro-Dophilus + FOS, Promotes Intestinal and Immune Health, 3.4 Billion Organisms Per Cap (Cool... Jarro-Dophilus + FOS, Promotes Intestinal and Immune Health, 3.4 Billion Organisms Per Cap (Cool...
13 PetAg Bene-Bac Plus Pet Gel - FOS & Probiotics Gel Supplement with Naturally Occurring... PetAg Bene-Bac Plus Pet Gel - FOS & Probiotics Gel Supplement with Naturally Occurring...
14 OOFOS OOmg Fibre Low Shoe, Black & Gray - Lightweight Recovery Footwear - Reduces Stress on Feet,... OOFOS OOmg Fibre Low Shoe, Black & Gray - Lightweight Recovery Footwear - Reduces Stress on Feet,...
15 Swanson Dr. Stephen Langer's Formula - Natural Probiotic w/Prebiotic FOS - 16-Strain Supplement... Swanson Dr. Stephen Langer's Formula - Natural Probiotic w/Prebiotic FOS - 16-Strain Supplement...
16 DR. KATE’S BEST PROBIOTIC-NON-GMO, NO Gluten, Dairy, Soy Digestive Gut Health Supplement, 15... DR. KATE’S BEST PROBIOTIC-NON-GMO, NO Gluten, Dairy, Soy Digestive Gut Health Supplement, 15...
17 Layer Origin | PureHMO Tri-Prebiotic Powder - HMO, GOS, Inulin FOS - Supplements Support Robust Gut... Layer Origin | PureHMO Tri-Prebiotic Powder - HMO, GOS, Inulin FOS - Supplements Support Robust...
18 Prebiotic Fiber Supplement - Supports Gut Health and Digestive Regularity - Soluble Powder Fiber... Prebiotic Fiber Supplement - Supports Gut Health and Digestive Regularity - Soluble Powder Fiber...
19 Dr. Kate’s Best Digest Supplement for Digestive and Urinary Tract Health with FOS, Glucosamine,... Dr. Kate’s Best Digest Supplement for Digestive and Urinary Tract Health with FOS, Glucosamine,...
20 Prebiotin – Prebiotic Dietary Supplement Fiber Capsules – 120 Vegcaps – Professionally... Prebiotin – Prebiotic Dietary Supplement Fiber Capsules – 120 Vegcaps – Professionally...
SaleBestseller No. 1
NOW Supplements, NutraFlora FOS (Fructooligosaccharides) Pure Powder, Prebiotic Fiber, 4-Ounce
  • PURE POWDER: Concentrated fructooligosaccharides, a non-digestible carbohydrate which aids the growth of beneficial intestinal bacteria such as...
  • PREBIOTIC FIBER: 5 g of dietary fiber per 2 teaspoons
  • CERTIFICATIONS/CLASSIFICATIONS: Soy Free, Non-GMO, Vegan, Nut Free, Dairy Free, Egg Free, Low Sodium
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our...
  • Packaged in the USA by a family owned and operated company since 1968
SaleBestseller No. 2
Source Naturals FOS POWDER Dietary Supplement, Fructooligosaccharides Probiotic Enhancer - 200 Grams...
  • SOURCE NATURALS FOS BENEFITS. This supplement is a complex of fructooligosaccharides, a group of naturally occurring carbohydrates that can help...
  • SUGGESTED USE. 1 rounded teaspoon daily, mixed in water or juice as desired.
  • SUITABLE FOR VEGETARIANS. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial...
  • TRUSTED FOR OVER 35 YEARS. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.
  • MANUFACTURED IN THE USA. Our facility is located in Scotts Valley California.
Bestseller No. 3
Organic Inulin FOS Powder (Jerusalem Artichoke), 2.2 Pounds (35 Ounce), Quick Water Soluble,...
  • Inulin Powder Organic, Inulin Prebiotic Fiber Organic, 35 Ounce (2.2 Pounds), Premium Inulin Fiber, Vegan Friendly.
  • Natural Prebiotics Supplement (Water Soluble Dietary Fiber) to Promote Digestion, Colon & Guts Health & Nourish Beneficial Guts.
  • No Additives, No Preservatives, No Fillers, No GMOs, No Artificial Colors, No Flavor, No Soy and Gluten Free.
  • Scoop included to get the perfect measurement every time. Take it daily with or between meals by adding it to a shake or smoothie, and see what the...
  • Powder Lover? Take it naturally in powder for higher concentration, quicker absorption, easier on the stomach, and more ways to have fun.
Bestseller No. 4
Jarrow Formulas Prebiotic Inulin FOS - 180g - Promotes Friendly Bacteria - Soluble Prebiotic Fibers...
  • Promote Friendly Bacteria - Inulin and FOS (fructooligosaccharides) are soluble prebiotic fibers that promote friendly bacteria growth to yield...
  • Enriches & Nourishes the Gut Microbiome - Lactic acid helps to maintain proper pH in the gut. Moreover, acetate, propionate, and butyrate promote the...
  • Suggested Use - Mix one rounded scoop into water, juice, protein drink mix, smoothie, or other beverages. Take once or twice per day or as directed by...
  • Rated #1 - With innovative, science-based probiotic products that consumers trust, Jarrow Formulas has again been recognized as the #1 probiotic brand...
  • Enhances Calcium Absorption
Bestseller No. 5
Phosphorus Supplement | Nausea | Supports Bone Health | Phos Formula
  • Phosphorus may increase the rate at which fats and carbohydrates are metabolized.
Bestseller No. 6
Swanson Dr. Stephen Langer's Formula - Natural Probiotic w/Prebiotic FOS - 16-Strain Supplement...
  • PROMOTES DIGESTIVE HEALTH: Featuring probiotic FOS, Swanson's Dr. Stephen Langer formula is specially formulated with diverse strains to promote...
  • POWERFUL FORMULA: Our natural digestive supplement features 16 strains of probiotics — almost 4x the strains of other popular formulations — with...
  • DOSAGE INSTRUCTIONS: Our wellness supplements offer everyday solutions for an enhanced mind, body, and home using only the purest ingredients. For...
  • OUR QUALITY COMMITMENT: For nearly 50 years, Swanson has delivered science-backed health products worldwide. Each wellness supplement is made in our...
  • MONEY BACK GUARANTEE: At Swanson, we guarantee that every health product is made from the purest, freshest ingredients. If you aren't satisfied with...
Bestseller No. 7
Solaray NutraFlora FOS Prebiotic | 60 ct 770 mg
  • Let Solaray help you Shine
  • Our goal is to bring all of the earth's healthful nutrients to you
  • Every Solaray product is rigorously tested to ensure you get the results you expect
SaleBestseller No. 8
Organic Inulin Powder - Natural Prebiotic Fiber for Gut Health. USDA Organic Raw Whole Food Plant...
  • Don’t Be Fooled By Cheap Inulin! Not all inulin powders are created equal! Many of them are mass produced, untested and are sourced from...
  • What's In Your Supplement? - Many supplements on the market use standard formulas that may contain cheap fillers and sometimes questionable...
  • Prebiotic Fiber + Gut Benefits: Inulin is a popular herb from Jerusalem Artichoke. As a fructooligosaccharide (FOS), it is a soluble prebiotic fiber...
  • Vegan Formulated & Allergy Free - Free Of Soy, Milk, Egg, Shellfish, Corn, Wheat & Peanuts. Contains No Gluten Or Preservatives. Manufactured Under...
  • Over 400,000 Happy Customers + 1-for-1 Donation To Vitamin Angels. Peak Performance is celebrating over 400,000 happy customers and we are also very...
SaleBestseller No. 9
Swanson Lactobacillus Rhamnosus with FOS - Probiotic Supplement Supports Digestive Health - 5...
  • PROMOTES HEALTH: Offering 5 billion CFU in each veggie capsule, Lactobacillus Rhamnosus supplement is a probiotic support which helps to replenish...
  • GI TRACT HEALTH SUPPORT: While supporting overall health, our powerful Lactobacillus Rhamnosus capsules are especially popular for helping to protect...
  • DOSAGE INSTRUCTIONS: Our wellness supplements offer everyday solutions using only the purest ingredients. For best results, take one veggie capsule...
  • OUR QUALITY COMMITMENT: For nearly 50 years, Swanson has delivered science-backed health products worldwide. Each wellness supplement is made in our...
  • MONEY BACK GUARANTEE: At Swanson, we guarantee that every health product is made from the purest, freshest nutrients. If you aren't satisfied with any...
Bestseller No. 10
Swanson Signature Line Ultimate Probiotic Formula with FOS - Probiotic Supplement Supporting...
  • PROMOTES DIGESTIVE HEALTH: Delivering 66 billion CFU each, Swanson's probiotic veggie capsules are a highly potent probiotic support aiding digestive...
  • PH LEVEL SUPPORT: Our Ultimate Probiotic Formula includes 100mg of prebiotic NutraFlora short chain FOS to help nourish the probiotic organisms and...
  • DOSAGE INSTRUCTIONS: Our wellness supplements offer everyday solutions for an enhanced mind, body, and home using only the purest ingredients. For...
  • OUR QUALITY COMMITMENT: For nearly 50 years, Swanson has delivered science-backed health products worldwide. Each wellness supplement is made in our...
  • MONEY BACK GUARANTEE: At Swanson, we guarantee that every health product is made from the purest, freshest nutrients. If you aren't satisfied with any...
Bestseller No. 11
NOW Nutra Flora Fos, 4-Ounces (Pack of 2)
  • Pleasant-tasting, concentrated source of fructooligosaccharides
  • 100% Pure Powder
  • Probiotic enhancer
  • Vegetarian product
Bestseller No. 12
Jarro-Dophilus + FOS, Promotes Intestinal and Immune Health, 3.4 Billion Organisms Per Cap (Cool...
  • For Intestinal Health and Immune Support
  • No wheat, no gluten, no egg, no fish/shellfish, no peanuts/tree nuts
  • Synbiotic Formula with Inulin-Fructooligosaccharides (FOS)
  • 3 Units Cool Shipped with Sustainable Insulation and Reusable Ice Packs
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when...
Bestseller No. 13
PetAg Bene-Bac Plus Pet Gel - FOS & Probiotics Gel Supplement with Naturally Occurring...
  • Contains Fructooligosaccharide (FOS): A prebiotic to support the growth of probiotic organisms
  • Contains Lactobacillus Acidophilus: Includes seven common bacillus found in healthy digestive tracts
  • Helps Pets in Adverse Conditions: Great for dogs who are showing, breeding, traveling, or post-birth
  • Nutritional Support: Probiotic supplements for dogs may help speed the growth of bottle-fed newborns
  • Excellent Care Solution: PetAg delivers top-quality products for owners and animal professionals
Bestseller No. 14
OOFOS OOmg Fibre Low Shoe, Black & Gray - Lightweight Recovery Footwear - Reduces Stress on Feet,...
  • Feel the OO - The OOmg Fibre Low Shoe is made with our Fibreflex fabric, offering a durable yet breathable feel that perfectly molds to the foot. Like...
  • OOfoam Technology - Our revolutionary OOfoam technology absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your...
  • Patented Footbed - Our patented footbed cradles and supports arches to reduce energy exertion in the ankles by up to 47% compared to competitors’...
  • Backed by Science - Research shows OOFOS reduce load, decrease compressive forces, and support foot mobility when compared to traditional footwear. As...
  • Made for Recovery - When you’re always on the go, the demand on your joints can translate into fatigue, muscle tightness & pain. At OOFOS, we...
Bestseller No. 15
Swanson Dr. Stephen Langer's Formula - Natural Probiotic w/Prebiotic FOS - 16-Strain Supplement...
  • PROMOTES DIGESTIVE HEALTH: Featuring probiotic FOS, Swanson's Dr. Stephen Langer formula is specially formulated with diverse strains to promote...
  • POWERFUL FORMULA: Our natural digestive supplement features 16 strains of probiotics — almost 4x the strains of other popular formulations — with...
  • DOSAGE INSTRUCTIONS: Our wellness supplements offer everyday solutions for an enhanced mind, body, and home using only the purest ingredients. For...
  • OUR QUALITY COMMITMENT: For nearly 50 years, Swanson has delivered science-backed health products worldwide. Each wellness supplement is made in our...
  • MONEY BACK GUARANTEE: At Swanson, we guarantee that every health product is made from the purest, freshest ingredients. If you aren't satisfied with...
Bestseller No. 16
DR. KATE’S BEST PROBIOTIC-NON-GMO, NO Gluten, Dairy, Soy Digestive Gut Health Supplement, 15...
  • DIGESTIVE SUPPORT: Best Probiotic is an original dietary supplement trusted by Dr. Kate, a holistic healthcare provider for 30 years. The...
  • IMMUNE SYSTEM SUPPORT: Probiotics support immune system health by restoring a balance of good bacteria in the gut
  • NON-DAIRY DIFFERENCE: Best Probiotic with 15 billion CFU contains 5 billion microorganisms per capsule with 8 different strains from non-dairy...
  • FULL BODY BENEFITS: Best Probiotic may also help with constipation, diarrhea, mental health conditions, heart health, allergies, eczema, immune system...
  • APPROPRIATE FOR ALL AGES: Children over the age of 4, adults, and seniors can take the bottle’s listed dosage for each age group, twice a day after...
Bestseller No. 17
Layer Origin | PureHMO Tri-Prebiotic Powder - HMO, GOS, Inulin FOS - Supplements Support Robust Gut...
  • Produce More Probiotics in Your Gut: like humans, probiotics also have their favorite foods. The combination of three best prebiotics: HMO, GOS and...
  • Enhance Gut Functions: a higher diversity of gut microbiota means your gut is more resilient and can help digest food more efficiently, which helps...
  • Strengthen Gut Barriers: the HMO/GOS/FOS combination feeds Akkermansia Muciniphila and other key probiotics living on the gut barrier. They help build...
  • Unflavored and Easy-to-Mix: the product is unflavored and can be easily mixed with your cold and hot drinks, such as coffee, milk, juices, water,...
  • Original Formulation and Latest Science: at Layer Origin Nutrition, each of our gut health products is originally formulated based on the most...
SaleBestseller No. 18
Prebiotic Fiber Supplement - Supports Gut Health and Digestive Regularity - Soluble Powder Fiber...
  • 🌿ORGANIC & PLANT-BASED GUT BACTERIA SUPPORT: Prebiotics are essential for healthy bacteria to thrive within your digestive tract and to ease...
  • 💪DON’T JUST LOOK GOOD, BUT FEEL GOOD: This cutting-edge stool hardener & keto fiber supplement blend helps promote OPTIMAL DIGESTIVE FUNCTION,...
  • 🔄 OPTIMAL DIGESTIVE FUNCTION FOR ANY DIET: No matter which diet you are on, you probably don’t incorporate enough of these food types into your...
  • ❌NO ARTIFICIAL OR REFINED SUGARS + LOW CARB: Looking for unflavored prebiotic fiber powder? At Gobiotix we NEVER use artificial sugars, added...
  • ✅ FOR YOUR 100% SATISFACTION - A HEALTHY GUT, GUARANTEED: Our commitment is simple: We are so confident that you will experience the immediate...
Bestseller No. 19
Dr. Kate’s Best Digest Supplement for Digestive and Urinary Tract Health with FOS, Glucosamine,...
  • DOCTOR APPROVED: Dr. Kate’s Best Digest is an original dietary supplement brought to you by Dr. Kate, a trusted holistic healthcare provider for 30...
  • GET A BETTER GUT: Advanced blend contains 250 mg of N-Acetyl Glucosamine to support the mucosal lining of your digestive and urinary tracts,...
  • BETTER BODY BENEFITS: Dr. Kate’s Best Digest is a great source of fiber so it can help relieve constipation.
  • BETTER MENTAL HEALTH: Dr. Kate’s Best Digest can also boost your mood making every day life easier.
  • SATISFACTION GUARANTEED: If for any reason you’re not completely satisfied with your purchase, please let us know and we will gladly replace or...
Bestseller No. 20
Prebiotin – Prebiotic Dietary Supplement Fiber Capsules – 120 Vegcaps – Professionally...
  • EVERYTHING YOU NEED IN ONE: All the extra healthy prebiotic fiber you need, plus it’s fat free, cholesterol free, sodium free, gluten free,...
  • FULL SPECTRUM PREBIOTIC: Unlike ordinary prebiotics, Oligofructose-Enriched Inulin (OEI) ensures that Prebiotin nourishes beneficial bacteria...
  • SCIENTIFICALLY PROVEN HEALTH & IMMUNITY SUPPORT: Scientific studies have linked prebiotics to smoother digestion, better immune function, lower...
  • EASY TO CONSUME: Capsules should be taken with at least 8 ounces of water but do not need to be taken with food unless preferred.
  • ALL NATURAL: Non-GMO, Gluten-Free powder conveniently mixes with any food or liquid

Having trouble finding a great fos supplement?

This problem is well understood by us because we have gone through the entire fos supplement research process ourselves, which is why we have put together a comprehensive list of the best fos supplements available in the market today.

After hours of searching and using all the models on the market, we have found the best fos supplement for 2023. See our ranking below!

How Do You Buy The Best Fos Supplement?

Do you get stressed out thinking about shopping for a great fos supplement? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching fos supplement, which is why we have assembled a comprehensive list of the greatest fos supplement available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for fos supplement that you consider buying. Your questions might include the following:

  • Is it worth buying an fos supplement?
  • What benefits are there with buying an fos supplement?
  • What factors deserve consideration when shopping for an effective fos supplement?
  • Why is it crucial to invest in any fos supplement, much less the best one?
  • Which fos supplement are good in the current market?
  • Where can you find information like this about fos supplement?

We’re convinced that you likely have far more questions than just these regarding fos supplement, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for fos supplement, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible fos supplement. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an fos supplement buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available fos supplement currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of fos supplement has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an fos supplement?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your fos supplement.
  5. Customer Ratings: Number ratings grade fos supplement objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their fos supplement.
  7. Product Quality: You don’t always get what you pay for with an fos supplement, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an fos supplement is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining fos supplement information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding fos supplement is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is fructooligosaccharides side effects?

A: cramps nausea bloating gas diarrhea

Q: What are short chain fructooligosaccharides?

A: Bananas Onions Tomatoes Chicory Sunchokes or Jerusalem artichokes Yacón Barley Wheat

Q: What is fiber dietary supplement?

A: Fiber is a type of complex carbohydrate that the human body cannot digest. It has numerous benefits for human health. People usually get fiber from food, but people can also take fiber supplements.

Q: What is inulin Fos?

A: Inulin is a long-chain polymer, and FOS the short-chain version. Both substances pass through the digestive system into the colon where they provide nourishment for bacteria. FOS is short for fructooligosaccharides and may also go by the name oligofructose or oligofructan. FOS is widely used as an alternative sweetener and food additive.