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Acacia fiber

Supplement soluble fiber gut
Aka: gum arabic, acacia gum
Brands seen in Singapore: NOW Foods, Nutricost, Micro Ingredients, Sports Research, Organic Traditions
Third-party tested: Sports Research certifies other products with NSF Certified for Sport, but nothing for acacia fiber.Certification is granted per product, so check the tub you actually own. Not being listed is not the same as failing.
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
Prebiotic fibre · 10 g a day raised gut bifidobacteria
Take with
Water · the trial doses were stirred into water
Pros & cons
Pros
  • 10 g a day raised bifidobacteria and lactobacilli
  • At 10 g it beat inulin on those counts in one trial
  • FDA counts acacia gum toward dietary fibre
Cons
  • That dose-finding trial ran 4 weeks in healthy adults
  • Bacterial counts are not a symptom or health outcome
  • The 2023 gut-health source is an editorial letter
Sources
  1. Gum arabic establishes prebiotic functionality in healthy human volunteers in a dose-dependent manner (Calame et al., British Journal of Nutrition 2008) — main result; abstract read via the Europe PMC record, full text is not open access · read 2026-08-27
    what it says
    “Compared with the negative control the numbers of Bifidobacteria and Lactobacilli 4 weeks after consumption were significantly higher for gum arabic: the optimal dose being around 10 g”
  2. Calame et al., British Journal of Nutrition 2008 — study design and tolerance · read 2026-08-27
    what it says
    “Human healthy volunteers consumed various daily doses (5, 10, 20, 40 g) of gum arabic (EmulGold) in water for up to 4 weeks … 10 g inulin as the positive control … No significant drawback was encountered during the study”
  3. Calame et al., British Journal of Nutrition 2008 — authors' conclusion · read 2026-08-27
    what it says
    “at this dose the numbers of Bifidobacteria, Lactobacilli and Bacteroides were significantly higher for gum arabic than for inulin … It is concluded that gum arabic establishes prebiotic efficacy, at least as good as inulin”
  4. Prebiotic potential of gum Arabic for gut health (Elnour, Abdurahman, Musa & Rasheed; International Journal of Health Sciences 2023) — an editorial letter, not a systematic review · read 2026-08-27
    what it says
    “GA, a dietary fiber with a bifidogenic effect, increases the proportion of lactic acid bacteria and bifidobacteria in healthy subjects. Augmenting stool water content also increases stool output. Intestinal tolerance to GA has also been excellent”
  5. US FDA — Questions and Answers on Dietary Fiber (page current as of 25 July 2024), actions taken on dietary fiber · read 2026-08-27
    what it says
    “December 2021: FDA added "acacia (gum arabic)" to the existing list of isolated or synthetic non-digestible carbohydrates that FDA intends to propose to be added to the definition of dietary fiber.”
  6. HSA Singapore — Guidelines on Prohibited and Restricted Ingredients in Health Supplements and Traditional Medicines, GL-CHPB-1-012 Rev. No. 001 (October 2025) — Annex A (118 rows) and Annex B (4 rows): acacia fibre / gum arabic / acacia gum / Acacia senegal is NOT LISTED in either; an Acacia entry would have sat between 1. Abrus and 2. Aconitum, and a gum arabic entry between 52. Gluta usitata and 53. Hydrastis canadensis, and neither exists · read 2026-08-27
    what it says
    “The objective of this guideline is to highlight the substances of concern when used in HS and TM and is not meant to be an exhaustive list.”
  7. HSA Singapore — Health Supplements Guidelines GL-CHPB-3-001 (January 2026), clause 4.8 with Tables 4–5, which list vitamins and minerals only — no botanical or fibre rows · read 2026-08-27
    what it says
    “4.8 HS for use by the general adult population should not contain vitamins and minerals exceeding the stipulated limits stated in Tables 4 and 5.”
  8. iHerb Singapore — Acacia Fiber category page, default listing order, 27 Aug 2026 · read 2026-08-27
    what it says
    “1 - 13 of 13 results: NOW Foods, Certified Organic Acacia Fiber Pure Powder; Nutricost, Organic Acacia Fiber Powder; Micro Ingredients, Organic Triple Fiber; Sports Research, Organic MCT Oil Powder; Organic Traditions, Fiber Flow Variety Pack”
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Updated 2026-08-30. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.