No-Fenol Chewable Ingredients & Drug Interactions
What is this page for?
First and foremost: checking No-Fenol Chewable against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
No-Fenol Chewable is a dietary supplement by Houston Enzymes with 2 active ingredients.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.
HelloPharmacist Scorecard of No-Fenol Chewable by Houston Enzymes
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Low disclosure
No-Fenol Chewable contains 4 active ingredients: an enzyme blend, xylanase, beta-glucanase, phytase, and hemicellulase — all designed to support carbohydrate and fiber digestion. These are plant-derived enzymes meant to help break down complex carbohydrates, proteins, and plant cell walls so your digestive tract can absorb nutrients more easily.
The product also includes several inactive ingredients — isomaltose, natural flavor, stearic acid, citric acid, magnesium stearate, and stevia — which function as sweeteners, binders, and flow agents in the tablet.
Does it work?
Couldn't assess
The evidence supporting these enzymes for their intended uses isn't established in the data we hold. Phytase — one of the active ingredients — has been studied for aging skin, iron deficiency anemia, zinc deficiency, child growth, and a neurologic condition called blepharospasm, but in each case the evidence was rated insufficient to draw a firm conclusion about whether it works.
The facts don't provide effectiveness data for the other enzyme components of this product.
How safe is it?
Well-documented data
Phytase is generally considered low-risk in foods, but human supplement data are limited, so there isn't enough reliable information to rule out concerns entirely. There are reports of allergic and respiratory reactions in workers exposed to airborne phytase powder in animal-feed facilities — for instance, some people developed asthma or a lung inflammation condition called hypersensitivity pneumonitis — though this typically happened with occupational inhalation, not oral supplement use.
The safety data for pregnancy and breastfeeding aren't well studied. If you're pregnant, planning to become pregnant, or breastfeeding, talk with your doctor or pharmacist before taking this product — they can help you weigh what you know about your individual health against any possible risks.
Meds to double-check
No known interactions
No interactions are documented in our data for the ingredients we could check in this product.
The bottom line
Scorecard at a glanceFormula with limited ingredient disclosure with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.
No-Fenol Chewable is an enzyme supplement aimed at people who want support for digesting complex carbohydrates and fiber. Since no interactions are documented for the ingredients we checked, it's unlikely to interfere with most medications — but that's not a green light for everyone.
If you take prescription drugs or have questions about whether this product fits your health situation, check with your doctor or pharmacist before you start.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated May 23, 2014.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about No-Fenol Chewable, straight from the product label.
| Brand | Houston Enzymes |
|---|---|
| Barcode (UPC) | 898631000236 |
| Net contents | 180 Chewable Tablet(s) |
| Market status | On market |
| Date entered into DSLD | May 23, 2014 |
| DSLD ID | 33807 |
| Product type | Non-nutrient/non-botanical |
| Supplement form | Tablet Or Pill |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Vegan, Vegetarian, Adult (18 - 50 Years), Dairy Free |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for No-Fenol Chewable by Houston Enzymes, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Enzyme Blend | 332 mg | -- |
| Xylanase | 32000 XU | -- |
| Beta-Glucanase | 0 NP | -- |
| Phytase | 0 NP | -- |
| Hemicellulase | 0 NP | -- |
| CereCalase(R) | 75 mg | -- |
Other ingredients: Isomaltose, Natural flavor, Stearic Acid, Citric Acid, Magnesium Stearate, Stevia
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Storage
Keep container closed and store at room temperature or in freezer, but do not place in refrigerator due to humid conditions.
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Formulation
VEGETARIAN AND VEGAN FORMULA
Brand IP Statement(s)
The AUTHORITY on Enzymes.(TM)
CereCalase(R) is a registered trademark of National Enzyme Company.
Seals/Symbols
HCI
DR. HOUSTON'S HIGHEST QUALITY PLANT ENZYMES
General Statements
Multi-Enzyme Produt for Digestion of Phenolic Foods and Fiber
HIGHEST QUALITY ENZYMES SUPPORT DIGESTION
No-Fenol Chewable from HOUSTON ENZYMES
No-Fenol may be helpful for digestion of those foods high in phenols and salcytates. Digestion of fruits and vegetables may also be enhanced as No-Fenol contains enzymes that break down the components of plant fibers. No-Fenol was developed by Dr. Devin Houston, PhD enzyme biochemist.
FDA Statement of Identity
Dietary Supplement
Formula
This product contains cellulase, which may interfere with sustained-release medications that use cellulose, hydroxypropyl cellulose, and/or hypromellose.
Precautions
This product contains cellulase, which may interfere with sustained-release medications that use cellulose, hydroxypropyl cellulose, and/or hypromellose.
Do not use if tamper-proof seal is broken.
General
ITEM NO. HN003-T180 REV 04/11
Suggested/Recommended/Usage/Directions
SUGGESTED USE: Two (2) tablets prior to meals. For smaller meals, one (1) tablet may be adequate. More tablets may be taken as desired. Two (2) chewable tablets are equivalent to one (1) No-Fenol in capsule form. Tablets may be crushed, using care not to inhale enzyme powder.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
No-Fenol Chewable by Houston Enzymes label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in No-Fenol Chewable by Houston Enzymes
These are the 2 active ingredients this product is made of. Select any to open its full monograph.
Serving size2 Tablet(s) Dosage formTablet Or Pill Servings per container90 Amounts shown are per serving.
Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.
Enzyme Blend
- › Xylanase
- › CereCalase(R)
Other (inactive) ingredients: Isomaltose, Natural flavor, Stearic Acid, Citric Acid, Magnesium Stearate, Stevia. These complete the product’s ingredient list but are not active constituents.
No-Fenol Chewable by Houston Enzymes Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in No-Fenol Chewable. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for No-Fenol Chewable, from the product label.
Houston Enzymes
See all Houston Enzymes products- Name
- Houston Nutraceuticals, Inc. (HNI)
- Street Address
- 116 N. Broadway St.
- City
- Siloam Springs
- State
- AR
- ZipCode
- 72761
- Phone Number
- 866-757-8627
- Web Address
- www.houston-enzymes.com
No-Fenol Chewable by Houston Enzymes: Common Questions
Does No-Fenol Chewable by Houston Enzymes interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What does this enzyme blend actually do?
Are there any ingredients I should know I'm allergic or sensitive to?
Does this work for iron or zinc deficiency?
Can I take this if I'm pregnant or breastfeeding?
What are the side effects?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if No-Fenol Chewable is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
Sources & How We Checked
No-Fenol Chewable's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 7 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Phytase 7 references
- Lei XG, Weaver JD, Mullaney E, Ullah AH, Azain MJ. Phytase, a new life for an "old" enzyme. Annu Rev Anim Biosci. 2013;1:283-309. PubMed
- Smuts CM, Matsungo TM, Malan L, et al. Effect of small-quantity lipid-based nutrient supplements on growth, psychomotor development, iron status, and morbidity among 6- to 12-mo-old infants in South Africa: a randomized controlled trial. Am J Clin Nutr. 2 PubMed
- van Heemst RC, Sander I, Rooyackers J, et al. Hypersensitivity pneumonitis caused by occupational exposure to phytase. Eur Respir J. 2009;33(6):1507-9. PubMed
- Baur X, Melching-Kollmuss S, Koops F, Strassburger K, Zober A. IgE-mediated allergy to phytase -- a new animal feed additive. Allergy. 2002;57(10):943-5. PubMed
- Doekes G, Kamminga N, Helwegen L, Heederik D. Occupational IgE sensitisation to phytase, a phosphatase derived from Aspergillus niger. Occup Environ Med. 1999;56(7):454-9. PubMed
- Brnic M, Hurrell RF, Songré-Ouattara LT, et al. Effect of phytase on zinc absorption from a millet-based porridge fed to young Burkinabe children. Eur J Clin Nutr. 2017;71(1):137-141. PubMed
- Koshy JC, Sharabi SE, Feldman EM, Hollier LH Jr, Patrinely JR, Soparkar CN. Effect of dietary zinc and phytase supplementation on botulinum toxin treatments. J Drugs Dermatol. 2012;11(4):507-12.
Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC