FOS

Suggested Use

Suggested useAs a dietary supplement; 1/2 to 1 level teaspoon (1.25-2.5 grams) mixed in water if desired; two to four times daily between meals; or as directed by a healthcare practitioner.

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  Allergy Research Group Essential Biotic FOS

  DrHagmeyer.com1.0(1)

  $15.31
• 

  Allergy Research Group Phosphatidyl Choline Softgels

  boulevardcompounding.com4.8(21)

  $25.99
• 

  FOS Powder

  Get Complete Care

  $34.50
• 

  Source Naturals FOS

  Walmart - Health Chest4.6(391)

  $8.70Lowest
• 

  Allergy Research Group Phosphatidyl Choline

  mornatural.com4.8(21)

  $26.99
• 

  Allergy Research Evening Primrose Oil Softgels

  Allergy Research Group4.8(7)

  $38.29
• 

  Allergy Research Group Essential-Biotic Complete 60 Capsules

  Allergy Research Group4.7(149)

  $45.99
• 

  Allergy Research Group Arthred Collagen Formula

  Allergy Research Group4.7(36)

  $152.79

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• Nutrition Kingdom

  4.8 (118)

  Vitamin & supplements store

  1535 S Kipling Pkwy Unit G, Lakewood, CO 80232

  Directions(303) 862-9470

• Colorado Discount Nutrition

  5.0 (701)

  Vitamin & supplements store

  1945 S Sheridan Blvd Unit 103, Denver, CO 80227

  Directions(720) 328-8364

• Supplement Giant

  4.9 (330)

  Vitamin & supplements store

  98 Wadsworth Blvd #126, Lakewood, CO 80226

  Directions(303) 935-5516

• Colorado Discount Nutrition

  5.0 (201)

  Vitamin & supplements store

  8055 W Bowles Ave #2R, Littleton, CO 80123

  Directions(720) 696-7923

• NATURA, Hierbas Y Vitaminas

  4.8 (74)

  Vitamin & supplements store

  145 S Sheridan Blvd Ste 214, Lakewood, CO 80226

  Directions(303) 936-8886

• COLORADO DISCOUNT NUTRITION

  5.0 (397)

  Vitamin & supplements store

  9441 S University Blvd, Highlands Ranch, CO 80126

  Directions(720) 389-8109

• COLORADO DISCOUNT NUTRITION

  5.0 (1070)

  Vitamin & supplements store

  6975 W 88th Ave F, Westminster, CO 80021

  Directions(720) 920-9775

• Supplement Giant

  5.0 (369)

  Vitamin & supplements store

  5055 S Kipling St #C8, Littleton, CO 80127

  Directions(303) 933-3933

• Immunomodulation of B lymphocytes by prebiotics, probiotics and synbiotics: application in pathologies

  A Rousseaux, C Brosseau, M Bodinier - Nutrients, 2023 - mdpi.com

  … This study demonstrated that GOS/FOS supplementation … /FOS is a safe method to prevent the progression of allergies … with FOS, both in the healthy and endotoxemic groups. Then, …

  202391 citations

• Fructooligosaccharides on inflammation, immunomodulation, oxidative stress, and gut immune response: a systematic review

  GT Costa, QDJS Vasconcelos, GF Aragão - Nutrition Reviews, 2022 - academic.oup.com

  … FOS supplementation regarding its prebiotic and probiotic effects on the gut, which result in many changes in terms of host health… that FOS supplementation ameliorates food allergies, 2 …

  2022100 citations

• Fructooligosaccharides and immune health: immunomodulatory effects via gut microbiota and direct molecular mechanisms

  BJM Yap, SK Yeo, WK Ng, PVC Yong… - … Journal of Food …, 2025 - Taylor & Francis

  … infants who received FOS or a FOS/GOS combination prebiotic supplement alongside hepatitis B … airway inflammation, supplementation with 2.5% FOS for one week prior to allergen …

  20253 citations

• Immunonutritional effects elicited by a novel multicomponent food supplement in children with cow's milk allergy: results from a randomized, placebo-controlled trial

  L Carucci, E Caldaria, F Oglio, RF Iorio… - … in Allergy, 2026 - frontiersin.org

  … supplement containing butyrate, LGG postbiotic, FOS, vitamin … two study groups, only the active study product group showed … This research was funded by the Italian Ministry of Health—…

  20262 citations

• Prebiotics in the infant microbiome: the past, present, and future

  M Miqdady, J Al Mistarihi, A Azaz… - … Hepatology & Nutrition, 2020 - synapse.koreamed.org

  … In particular, the GOS/FOS … supplementing with a particular probiotic strain. In this review, we discuss the latest clinical evidence regarding prebiotics and its role in gut immunity, allergy, …

  2020100 citations

• Dietary fructooligosaccharides induce immunoregulation of intestinal IgA secretion by murine Peyer's patch cells

  A Hosono, A Ozawa, R Kato, Y Ohnishi… - Bioscience …, 2003 - Taylor & Francis

  … , deˆned as live microbial food ingredients beneˆcial to health… FOS acts as a preventive agent with regard to food allergy. … prebiotic as well as probiotic supplements are able to regulate …

  2003305 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2018-11-21. DSLD Label ID: 183300. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.