No-Fenol Ingredients & Drug Interactions
What is this page for?
First and foremost: checking No-Fenol 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 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 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 contains 4 active enzyme ingredients: Beta-Glucanase, Phytase, Xylanase, and Hemicellulase, plus proprietary enzyme blends (CereCalase and a Proprietary Enzyme Blend) whose complete compositions aren't listed on the label. These are digestive enzymes meant to help break down plant cell walls and starches during digestion.
The product also contains inactive ingredients — hypromellose (a capsule material), water, microcrystalline cellulose, and medium chain triglyceride powder — which are fillers and binders, not active components.
Does it work?
Couldn't assess
The evidence we hold doesn't establish that Phytase works for the uses sometimes mentioned — aging skin, iron deficiency anemia, zinc deficiency, child growth, or blepharospasm — because our data rates all of these as insufficient reliable evidence to rate. For the other active ingredients (Beta-Glucanase, Xylanase, and Hemicellulase), we don't hold effectiveness data.
This product's actual intended use — digestive support — isn't addressed in the ratings we have on file.
How safe is it?
Well-documented data
Phytase is generally considered low-risk in foods, but human supplement safety data are limited. The safety information for pregnancy is incomplete — we don't have enough data to say it's safe or unsafe, so if you're pregnant or planning to become pregnant, talk with your doctor before taking it.
Breastfeeding safety also hasn't been well studied; use caution and check with a doctor. One concern from occupational exposure: workers exposed to airborne powdered phytase have reported allergic reactions including occupational asthma and a lung inflammation called hypersensitivity pneumonitis (in one documented case after months of exposure).
You won't inhale powder from a capsule, but if you're sensitive to enzymes or have a history of respiratory allergies, mention this product to your doctor first.
Meds to double-check
No known interactions
No interactions are documented in our data for the ingredients we could check. However, because Beta-Glucanase, Xylanase, and Hemicellulase aren't in our database, and because the product contains proprietary enzyme blends we can't fully assess, use the medication search tool below to double-check your current drugs before taking this.
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.
This is a digestive enzyme blend intended to help break down plant material and carbohydrates. Because we can't fully verify the safety and interaction profile of all the ingredients — especially the proprietary blends — and because three of the named enzymes aren't in our database, it's a good idea to check your specific medications with the tool on this page before you start.
If you have a history of respiratory allergies or are pregnant or breastfeeding, talk with your doctor or pharmacist first.
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 Aug 23, 2023.
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, straight from the product label.
| Brand | Houston Enzymes |
|---|---|
| Barcode (UPC) | 898631000274 |
| Net contents | 90 Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Aug 23, 2023 |
| DSLD ID | 295281 |
| Product type | Non-nutrient/non-botanical |
| Supplement form | Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Vegetarian, Adult (18 - 50 Years) |
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 by Houston Enzymes, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Beta-Glucanase | 0 NP | -- |
| Phytase | 0 NP | -- |
| Xylanase | 0 NP | -- |
| Hemicellulase | 0 NP | -- |
| Proprietary Enzyme Blend | 288 mg | -- |
| CereCalase | 75 mg | -- |
Other ingredients: Hypromellose, Water, Microcrystalline Cellulose, Medium Chain Triglyceride, Powder
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.
Formula
No-Fenol May be helpful for digestion of those foods high in polyphenols. Digestion of fruits and vegetables may also be enhanced as No-Fenol includes enzymes that breakdown the components of plant fibers.
This product includes hemicellulase, which may interfere with sustained-release medications that use cellulose, hydroxypropyl cellulose, and/or hypromellose as part of the time-release mechanism.
Dr. Houston's Biochemist Formulated Enzymes
Enzyme for polyphenolic foods
Suggested/Recommended/Usage/Directions
Suggested use: One (1) capsule at the beginning of each meal. Capsules may be opened and contents mixed with food or beverage. Use care not to inhale enzyme powder. No-Fenol Maybe taken with other Houston enzymes products.
General Statements
No-Fenol was developed by Dr. Devin Houston, PhD Enzyme Biochemist
Dr. Houston's Biochemist Formulated Enzymes
Precautions
Do not use if tamper-proof seal is broken.
To report and adverse event, contact distributor:
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
All vegetarian
Supports digestion of foods high in polyphenols Enhances breakdown of fruit and vegetable fiber
Brand IP Statement(s)
The Authority on Enzymes
CereCalase is a registered trademark of Deerland Probiotic & enzymes.
FDA Statement of Identity
Dietary Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
No-Fenol 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 by Houston Enzymes
These are the 2 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Capsule(s) Dosage formCapsule 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.
Proprietary Enzyme Blend
- › Xylanase
- › CereCalase
Other (inactive) ingredients: Hypromellose, Water, Microcrystalline Cellulose, Medium Chain Triglyceride, Powder. These complete the product’s ingredient list but are not active constituents.
No-Fenol by Houston Enzymes Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in No-Fenol. 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, 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 by Houston Enzymes: Common Questions
Does No-Fenol by Houston Enzymes interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What are these enzymes supposed to do?
Is it safe to take if I'm pregnant?
What about while breastfeeding?
Can I be allergic to the enzymes?
What are the inactive ingredients?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if No-Fenol 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'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