No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

D-Mannose Powder Ingredients & Drug Interactions

by Protocol For Life Balance

Powder Category: Fiber And Other Nutrients
No known interaction
The interaction bottom line No known interaction

D-Mannose Powder is a dietary supplement by Protocol For Life Balance with 1 active ingredient. Its ingredients are commonly taken for preventing urinary tract infections (utis), treating mild utis, urinary tract health.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 D-Mannose Powder by Protocol For Life Balance

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.

From our pharmacy team — supplement deep dive

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: D-mannose, a simple sugar. It's included because some research suggests it may help with certain conditions affecting how your body processes carbohydrates and glycoproteins—complex molecules made of sugar and protein.

The product is a powder with no other inactive ingredients listed.

Does it work?

Leans against
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Leans against

The strongest graded evidence we hold for the stated purpose leans against a benefit.

Why this rating?
  • The label markets this product for: support healthy urinary tract and bladder.
  • We looked for evidence on: Urinary tract infections (UTIs), urinary tract health, bladder health.
  • The closest evidence on file: D-mannose is rated "Possibly Ineffective" for Urinary tract infections (UTIs) (Natural Medicines).

D-mannose is rated likely effective for carbohydrate-deficient glycoprotein syndrome type 1b, a rare genetic condition affecting how your body makes and uses certain proteins. For urinary tract infections (UTIs), though, the evidence we hold rates it as possibly ineffective—meaning the data don't support it as a reliable treatment for that purpose.

The evidence, ingredient by ingredient D-mannose

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

D-mannose is generally well tolerated over the short term, but we don't have strong long-term safety data, so extended use is something to discuss with your doctor. The most common side effects are bloating, diarrhea, and nausea.

Higher doses—especially a single dose over 200 mg/kg (roughly 14 grams for a 150-pound adult)—are more likely to cause osmotic diarrhea (loose stools from the sugar drawing water into your bowel). Safety during pregnancy is not well studied, so the data advise against use during pregnancy unless your doctor recommends it.

Safety while breastfeeding is also not well studied; caution is advised, and you should talk it over with your healthcare provider.

Side effects, ingredient by ingredient D-mannose

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for the ingredients we could check. That said, confirm with your own doctor or pharmacist before adding this to your medications, since our data are not exhaustive.

The bottom line

Scorecard at a glanceFully disclosed formula with graded evidence leaning against its stated purpose. No medication interactions are currently documented, and safety information is well characterized.

D-mannose is a reasonable choice if your doctor has recommended it for carbohydrate-deficient glycoprotein syndrome type 1b. It's not reliable for UTIs based on current evidence.

Keep in mind side effects like bloating and diarrhea are possible, especially at higher doses. Run this by your own doctor or pharmacist before starting, especially if you're pregnant, breastfeeding, or planning to use it long-term.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated May 24, 2017.

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

At a glance

General information

Key facts about D-Mannose Powder, straight from the product label.

Brand Protocol For Life Balance
Barcode (UPC) 707359128101
Net contents 3 oz.; 85 Gram(s)
Market status On market
Date entered into DSLD May 24, 2017
DSLD ID 73732
Product type Fiber And Other Nutrients
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Gluten Free, Dairy Free
From the label
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 D-Mannose Powder by Protocol For Life Balance, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 tsp
Maximum serving Sizes:
1 tsp
Servings per container
43
UPC/BARCODE
707359128101
IngredientAmount% DV
Calories10 Calorie(s)--
Total Carbohydrates2 Gram(s)1%
Total Sugars2 Gram(s)--
D-Mannose2 Gram(s)--

Other ingredients: None

Tap any ingredient to jump to its full detail below.

Label statements
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.
Suggested/Recommended/Usage/Directions

Suggested Usage: Take 1 level teaspoon 1 to 2 times daily with water or unsweetened juice, or as directed by your healthcare practitioner.

General Statements

How It Works: D-Mannose is a simple sugar that is taken up in the GI tract and rapidly excreted in the urine without affecting blood sugar regulation.* D-Mannose helps to support a normal environment within the bladder by maintaining a healthy mucosal lining and promoting proper flushing of foreign particles.* Clinical studies indicate that D-Mannose can help to maintain normal urinary tract health when used regularly.*

Natural color variation may occur in this product.

~ Promotes flushing or foreign particles* ~ Supports a healthy urinary tract*

This product is sold by weight not volume.

Precautions

Cautions/Interactions: There are no known drug interactions. May cause mild, but transient GI discomfort.

Do not eat freshness packet enclosed.

Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

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.

General

CODE P2810 V5

Seals/Symbols

Non-GMO

Formulation

Non-GMO

Vegetarian/Vegan

Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.

FDA Statement of Identity

A Dietary Supplement

See for yourself

D-Mannose Powder by Protocol For Life Balance label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in D-Mannose Powder by Protocol For Life Balance

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 tsp Dosage formPowder Servings per container43 Amounts shown are per serving.

D-Mannose

No known
interactions
2 Gram(s) per serving

D-mannose is a natural sugar most often used to help prevent urinary tract infections, especially those caused by E. coli. Early research is promising...

D-Mannose monograph & interactions

Other (inactive) ingredients: None. These complete the product’s ingredient list but are not active constituents.

Interaction report

D-Mannose Powder by Protocol For Life Balance Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in D-Mannose Powder. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

Manufacturer and brand details for D-Mannose Powder, from the product label.

Protocol For Life Balance

See all Protocol For Life Balance products
Name
Protocol For Life Balance
Street Address
395 S. Glen Ellyn Rd.
City
Bloomingdale
State
IL
ZipCode
60108
Web Address
www.protocolforlife.com
Pharmacist Counseling Corner

D-Mannose Powder by Protocol For Life Balance: Common Questions

Does D-Mannose Powder by Protocol For Life Balance interact with any medications?
We do not currently list a known interaction for the mapped ingredients in D-Mannose Powder. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
D-Mannose Powder contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take D-Mannose Powder while pregnant?
Safety data during pregnancy are not well studied. The available information advises against use in pregnancy unless your doctor recommends it. Talk with your doctor or pharmacist to weigh whether it's right for you.
Is D-Mannose Powder safe while breastfeeding?
Safety during breastfeeding is not well studied, so caution is advised. Discuss this with your doctor or pharmacist before starting.
Does D-Mannose Powder help with urinary tract infections?
The evidence we hold rates D-mannose as possibly ineffective for UTIs. If you're considering it for that reason, talk with your doctor about proven treatment options instead.
What are the main side effects I might experience?
The most common side effects are bloating, diarrhea, and nausea. Higher doses are more likely to trigger loose stools. Start with a lower dose and see how your body responds.
Is this product just D-Mannose, or are there other ingredients?
It's D-Mannose only—no fillers or other active ingredients listed.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if D-Mannose Powder is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.

D-Mannose Powder label
Go deeper

The Full Monographs Behind D-Mannose Powder’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Sources

Sources & How We Checked

D-Mannose Powder'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.

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 6 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.

D-mannose 6 references
  1. Westphal V, Kjaergaard S, Davis JA, et al. Genetic and metabolic analysis of the first adult with congenital disorder of glycosylation type Ib: long-term outcome and effects of mannose supplementation. Mol Genet Metab 2001;73:77-85. PubMed
  2. Kranjcec B, Papes D, Altarac S. D-mannose powder for prophylaxis of recurrent urinary tract infections in women: a randomized clinical trial. World J Urol. 2014 Feb;32(1):79-84.
  3. de Lonlay P, Seta N. The clinical spectrum of phosphomannose isomerase deficiency, with an evaluation of mannose treatment for CDG-Ib. Biochim Biophys Acta. 2009;1792(9):841-3. PubMed
  4. Harms HK, Zimmer KP, Kurnik K, Bertele-Harms RM, Weidinger S, Reiter K. Oral mannose therapy persistently corrects the severe clinical symptoms and biochemical abnormalities of phosphomannose isomerase deficiency. Acta Paediatr. 2002;91(10):1065-72. DOI
  5. . Damen G, de Klerk H, Huijmans J, den Hollander J, Sinaasappel M. Gastrointestinal and other clinical manifestations in 17 children with congenital disorders of glycosylation type Ia, Ib, and Ic. J Pediatr Gastroenterol Nutr. 2004;38(3):282-7. DOI
  6. Lenger SM, Bradley MS, Thomas DA, Bertolet MH, Lowder JL, Sutcliffe S. D-mannose vs other agents for recurrent urinary tract infection prevention in adult women: a systematic review and meta-analysis. Am J Obstet Gynecol. 2020;223(2):265.e1-265.e13. PubMed

See these in context on the D-mannose monograph →

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

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