NOW D-Mannose 500 mg Urinary Support (60 Veg Capsules)

At-a-Glance Summary

NOW Foods D-Mannose delivers a pure, bioavailable simple sugar (chemical formula C₆H₁₂O₆) designed to cleanse the bladder and keep the urinary tract lining smooth and healthy [1]. Because your body absorbs it quickly without burning it for energy or converting it into stored sugar, it travels straight to your kidneys and urinary tract [1, 2]. Once there, it gently flushes out microscopic debris and bacteria every time you empty your bladder [1].

Quick Specs Snapshot

• ✓ Active Form & Potency: 1.5 grams (1,500 mg) of pure D-mannose per 3-capsule serving (500 mg per vegetarian capsule).
• ✓ Primary Cellular Target: Bladder lining (urothelium) and urinary tract mucosa [1].
• ✓ Supply & Value Math: 20 full 3-capsule servings (60 total veg capsules) per bottle at everyday discount family pricing.
• ✓ Formulation Purity: Non-GMO, vegan/vegetarian, gluten-free, dairy-free, and packaged in a 100% post-consumer recycled (PCR) resin bottle.

Buyer's Guide & Form Comparison

Why D-Mannose Outperforms Cranberry Alone

Many people drink cranberry juice when they want bladder support, but standard juice is packed with sugar, and plain cranberry pills are very acidic and can upset your stomach [2]. D-mannose is the exact active molecule that makes urinary defense work, delivering targeted anti-sticking power straight to the bladder without unwanted fruit acids or high calories [1, 3].

Is This Formula Right for You?

Ideal For Shoppers Who:

• ✓ Want a direct, fast-acting way to naturally cleanse and flush the urinary tract [1].
• ✓ Experience stomach sensitivity to acidic cranberry capsules or citrus remedies.
• ✓ Prefer a clean, pure vegetable capsule with zero added sugar or artificial fillers.

Consider Another Option If:

• ✗ You have trouble swallowing pills (a pure soluble D-mannose powder mixed into water is a better fit).
• ✗ You are seeking an all-in-one multivitamin or herbal blend containing uva ursi or dandelion leaf.
• ✗ You require medical treatment for an active infection (supplements support normal wellness and cannot replace prescription antibiotics).

Risk-Free Assurance

Every order is backed by VitaNet®, LLC's unconditional 100% money-back guarantee—even on opened bottles, with return shipping covered—so you can experience this formula completely risk-free.

Biochemical Mechanisms & Cellular Pathways

The Molecular Decoy: How Anti-Adhesion Works

Think of common bacteria in the urinary tract like burrs that stick to your socks when you walk through tall grass. Unwanted microbes, such as common Escherichia coli (E. coli), use tiny microscopic hairs tipped with a special adhesive protein called FimH [4]. These hair-like grips search for natural mannose sugars that line your bladder wall so they can latch on [4].

When you take NOW D-Mannose, a healthy amount of free-floating C₆H₁₂O₆ flows into your bladder urine [1, 2]. The bacteria get tricked by this "decoy." They grab onto the free-floating D-mannose instead of your bladder tissue [1, 4]. Once attached to the loose mannose, the bacteria cannot hold onto you, and they wash away naturally whenever you go to the bathroom [1, 2].

Gentle Processing With No Sugar Spikes

Even though D-mannose is technically a simple sugar, your digestive system handles it completely differently than table sugar or honey [3]. Over 90% of it passes quickly through your bloodstream without being used for energy, turned into glycogen, or causing an insulin surge [1, 3]. Your kidneys swiftly filter it out of the blood and send it directly into the urine, giving you full urinary support while protecting your everyday carbohydrate balance [1, 3].

Dosing, Timing & Synergy Protocol

Optimal Timing & Hydration

Take 3 veg capsules 1 to 3 times daily with a full 8-ounce glass of water. Because D-mannose works by carrying unwanted particles out with your urine, drinking plenty of fresh water throughout the day is key [1, 2]. Avoid drinking massive amounts of water immediately after swallowing your dose so the mannose has time to gather in the bladder; then drink another glass about an hour later to trigger a strong, cleansing flow.

Bedtime & Daily Schedule

If you take D-mannose multiple times a day, space your servings out between morning and night. Taking your final dose right before bedtime is especially smart. Your body holds urine in the bladder longer during sleep, giving the D-mannose several quiet, uninterrupted hours to attract and bind stray bacteria [1, 2].

Smart Synergies & Combinations

D-mannose pairs wonderfully with daily probiotics (especially Lactobacillus strains that support healthy microflora) and low-acid cranberry supplements [2, 3]. It does not interfere with daily multivitamins, minerals, or food, so you can safely take it with or between regular meals.

Timeline of Expectations

• ✓ Days 1–3: Fast absorption into the bloodstream and swift transport to the bladder for active physical flushing [1].
• ✓ Weeks 2–4: Ongoing clearance of microscopic debris and reliable baseline urinary comfort [1, 2].
• ✓ Months 2–3+: Continued cellular protection and long-term maintenance of a clean, balanced bladder environment [1, 2].

Physical Profile & Excipient Breakdown

Capsule Size & Sensory Expectations

NOW D-Mannose comes in standard clear vegetarian capsules ("00" size). They are lightweight, completely smooth, and easy to swallow with a standard sip of water. Inside the clear shell is a pure white-to-ivory powder that has a naturally faint, slightly sweet taste if you choose to open it. It has zero chemical odor, zero artificial dyes, and zero bitter herbal aftertaste.

Other Ingredients Explained in Plain English

• ✓ Hypromellose (Cellulose Capsule): A plant-fiber shell made from vegetable cellulose that dissolves rapidly in your stomach. It is 100% vegetarian and replaces animal gelatin.
• ✓ Rice Flour: Clean, ground non-GMO rice flour used as a gentle, natural filler to make sure every capsule contains the exact same amount of active ingredient.
• ✓ Stearic Acid (Vegetable Source): A natural fatty acid from plant oils that allows the pure powder to flow evenly through packaging machinery.
• ✓ Magnesium Stearate (Vegetable Source): A plant-and-mineral compound that prevents powder particles from sticking to equipment during encapsulation.
• ✓ Silicon Dioxide: Pure, natural silica (a mineral found widely across the earth) that keeps moisture away so the capsules stay dry and fresh.

Storage & Bottle Eco-Design

This bottle is made from 100% post-consumer recycled (PCR) resin to keep plastic waste out of landfills. After opening, store your bottle in a cool, dry spot like a pantry or bedroom drawer. Keep the lid twisted tight, and avoid humid spaces like the bathroom.

Supplement Facts & Quality Standards

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

NOW Foods Lab Testing & Contaminant Controls

NOW Foods runs one of the most advanced private testing facilities in North America, with over 100,000 square feet of in-house laboratories located in Bloomingdale, Illinois and Sparks, Nevada. Every month, their scientists run more than 19,000 independent analytical tests on raw materials and finished products:

• ✓ Heavy Metal Screening (ICP-MS): Using Inductively Coupled Plasma Mass Spectrometry, NOW checks raw D-mannose down to parts-per-billion (ppb) for lead, mercury, cadmium, and arsenic to ensure absolute safety.
• ✓ Microbial Testing: Every batch is tested for harmful bacteria, mold, yeast, Salmonella, and pathogenic E. coli to confirm biological purity.
• ✓ Molecular Identity (HPLC & FTIR): High-Performance Liquid Chromatography and infrared light testing verify that the material is 100% genuine D-mannose with zero diluted fillers.
• ✓ cGMP Certified: Manufactured in facilities audited and certified by the Natural Products Association (NPA) and Underwriters Laboratories (UL).

Curator's Quality Note & Review

Curated and verified by the nutritional biochemistry team at VitaNet®, LLC. Founded in 1995, VitaNet® has spent 31+ years providing independent, science-backed supplement curation. Every bottle is stored in our climate-regulated Hartville, Ohio facility and shipped fresh to your door.

*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.

Scientific References

1. Kranjčec, B., Papeš, D., & Altarac, S. (2014). D-mannose powder for prophylaxis of recurrent urinary tract infections in women: a randomized clinical trial. World Journal of Urology, 32(1), 79-84. PMID: 23633128.
2. Altarac, S., & Papeš, D. (2014). Use of d-mannose in prophylaxis of recurrent urinary tract infections: a systematic review. BJU International, 113(1), 9-10. PMID: 24341908.
3. Domenici, L., et al. (2016). D-mannose: a promising support for acute urinary tract infections in women. A pilot study. European Review for Medical and Pharmacological Sciences, 20(13), 2920-2925. PMID: 27424987.
4. Sharon, N. (2006). Carbohydrates as future anti-adhesion drugs for infectious diseases. Biochimica et Biophysica Acta (BBA) - General Subjects, 1760(4), 527-537. PMID: 16564634.

Frequently Asked Questions

Can I open the capsules and mix the powder into water or juice?

Yes. You can gently twist apart the vegetable capsules and stir the clean powder directly into water, unsweetened tea, or juice. It dissolves quickly, carries a mild and naturally sweet taste, and does not lose its potency when mixed into cool or room-temperature liquids.