Your kidneys act like your body's natural water filters, cleaning gallons of fluid every single day to remove waste and keep your body running smoothly. NOW Foods Kidney Cleanse is a premium botanical formula designed to support this vital filtration system and maintain a clean urinary tract. Combining concentrated Uva Ursi leaf extract with time-tested flushing herbs like parsley seed, fennel seed, and horsetail, this formula promotes healthy fluid balance and normal urinary comfort.
✓Primary Cellular Target: Kidney nephron tubules, fluid filtration pathways, and the mucosal lining of the bladder and urinary tract.
✓Supply & Value Math: 90 veg capsules supply 45 full servings (a complete 3- to 6-week botanical cleansing cycle) at everyday discount pricing of just pennies per day.
✓Formulation Purity: Non-GMO, 100% vegetarian/vegan, allergen-friendly (free of gluten, soy, dairy, egg, tree nuts, and sesame), and bottled in 100% post-consumer recycled (PCR) resin.
Buyer's Guide: Why Multi-Herb Cleansing Blends Outperform Single Herbs
Why the Form Matters: Standardized Extracts vs. Cheap Raw Powders
Many discount big-box store supplements use plain, unstandardized ground plant powder that contains very little active botanical strength. In contrast, NOW Kidney Cleanse uses standardized extracts, meaning key active compounds like arbutin from Uva Ursi and protective polyphenols from rosemary and olive leaf are concentrated and guaranteed in every dose [1, 4]. Furthermore, this formula brings together both flushing herbs (like parsley and horsetail) and soothing botanicals (like fennel and nettle), cleansing both the upper filtration tubes (kidneys) and the lower bladder pathways at the same time.
Ideal For Shoppers Who:
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Want a targeted seasonal herbal cleanse to flush out water-soluble metabolic waste and support healthy kidney function.
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Seek botanical support to keep the bladder wall and urinary tract clean, comfortable, and refreshed.
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Refuse low-quality big-box store products and insist on pure, lab-tested vegetarian capsules free from toxic heavy metals and synthetic additives.
Consider Another Option If:
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You are pregnant, planning to become pregnant, or nursing (Uva Ursi can stimulate uterine muscles and must be avoided).
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You have an existing severe liver or kidney disease (potent flushing botanicals require direct supervision from your physician).
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You are looking for a non-stop, 365-day supplement (this formula is meant for focused cycles of 2 to 4 weeks; for year-round daily maintenance, single-ingredient cranberry PACs or D-Mannose are preferred).
Risk-Free VitaNet Assurance:
Every purchase is backed by VitaNet®, LLC's unconditional 100% money-back guarantee—even on opened bottles, with return shipping covered—so you can evaluate this formula completely risk-free.
How It Works: The Science of Kidney Filtration & Herbal Cleansing
Inside your body, your two kidneys work like microscopic cleaning machines. Blood flows into tiny units called nephrons, which filter out waste while holding onto vital proteins and minerals. This formula provides seven complementary herbs that work together across three main pathways:
1. Uva Ursi (Bearberry Leaf): Arbutin for Urinary Tissue Cleanliness
Uva Ursi leaf (Arctostaphylos uva-ursi) supplies a natural active compound called arbutin (chemical formula: C12H16O7). Once absorbed, arbutin travels through your bloodstream to the kidneys, where it is filtered into urine. In the urinary tract, it converts into active hydroquinone (chemical formula: C6H6O2) conjugates [1]. These active compounds provide a gentle astringent, toning effect along the mucosal lining of the bladder and urinary tubes, helping create an environment where unwanted microorganisms cannot thrive [1, 5].
2. Parsley Seed & Horsetail: Natural Fluid Flushing Without Mineral Loss
Parsley seed (Petroselinum crispum) acts as a natural aquaretic agent. It helps regulate sodium (Na+) and potassium (K+) pumps in kidney tubules, encouraging your kidneys to release extra fluid and flush out metabolic debris without depleting essential body electrolytes [2]. Horsetail (Equisetum arvense) provides soluble plant silica and bioflavonoids that strengthen urinary tract tissue structure while reinforcing steady, smooth urine flow [3].
Rosemary (Rosmarinus officinalis) and olive leaf (Olea europaea) are packed with concentrated plant antioxidants like rosmarinic acid and oleuropein. These compounds shield delicate kidney filtration cells from oxidative stress and free radical damage [4]. At the same time, fennel seed (Foeniculum vulgare) calms smooth muscle spasms in the urinary pathways, while nettle root (Urtica dioica) supports comfortable urinary volume and steady fluid flow [5].
Dosing Guide, Daily Timing & The Cleansing Protocol
Optimal Timing & Meal Pairing
Take 2 veg capsules daily with food and a large 8- to 12-ounce glass of pure water (H2O). Taking these herbal extracts with a meal slows down digestion slightly, allowing your body to absorb the plant compounds smoothly without stomach upset. Water is essential: drinking plenty of clean water gives your kidneys the fluid they need to wash out metabolic debris effectively.
Circadian & Split-Dosing Strategy
You can take both capsules together with breakfast, or split your serving: take 1 capsule with breakfast and 1 capsule with lunch. Splitting the dose keeps active herbal compounds flowing evenly through your urinary system throughout daytime hours. It is best to avoid taking your dose late in the evening so your sleep is not disrupted by nighttime trips to the bathroom.
Smart Synergies & Important Spacing Rules
✓Drink 8 to 10 Glasses of Pure Water Daily: Flushing botanicals need adequate water (H2O) to work properly. Staying well-hydrated helps your kidneys filter waste freely.
✓Pairs Well With D-Mannose: While NOW Kidney Cleanse flushes the kidneys and tones tissues, D-Mannose binds to microscopic bacterial hooks, creating a powerful dual-action defense for bladder cleanliness.
✘Space Acidic Juices and High-Dose Vitamin C: Uva Ursi's active arbutin works best in neutral to slightly alkaline urine. Avoid drinking large amounts of acidic cranberry juice or taking mega-dose vitamin C (ascorbic acid) at the exact same hour; space acidic items at least 2 hours apart.
Timeline of Expectations
Days 1–3: Active botanicals enter the urinary system within hours. As you drink plenty of water, you may notice clearer urine output and a refreshed feeling of urinary comfort.
Weeks 2–3: Ongoing fluid balance support helps maintain normal kidney filtration and keeps the bladder mucosal barrier clean and toned.
Weeks 4–6 & Cycling: Complete your 45-day bottle to reset baseline urinary wellness. Because Uva Ursi is designed for cyclical use, take a 2- to 4-week break after finishing the bottle before starting another cycle.
NOW Kidney Cleanse is encapsulated in clear, two-piece vegetarian capsules made from hypromellose (plant-derived cellulose). These capsules are smooth, lightweight, and easy to swallow with a standard glass of water. Because they are 100% plant-based, they break down quickly in your stomach without causing heaviness or indigestion.
Natural Aroma, Taste & Color Realities
Inside each transparent capsule, you will see a speckled, earthy golden-tan and olive herbal powder. When opening the bottle, you will notice a fresh, natural herbal scent with subtle notes of fennel and rosemary. There are no artificial perfumes, synthetic dyes, or chemical coatings. Because NOW uses authentic whole plant extracts, slight natural color variations between harvest seasons are completely normal.
Other Ingredients Demystified
Hypromellose (Cellulose Capsule): A 100% plant-based material derived from natural wood pulp that forms the vegetarian capsule shell, dissolving cleanly in stomach acid.
Maltodextrin (Non-GMO): A clean, plant-derived carbohydrate used in tiny amounts to carry and protect delicate botanical extracts during blending.
Rice Flour: A pure, hypoallergenic gluten-free grain powder used as a natural filler to ensure every capsule is filled evenly.
Ascorbyl Palmitate: A fat-soluble form of vitamin C that acts as a natural antioxidant, keeping delicate plant oils fresh and potent.
Silicon Dioxide: A naturally occurring mineral compound (silica) that prevents herbal powders from clumping together during encapsulation.
Storage & Eco-Friendly Packaging
Store your bottle in a cool, dry place after opening, away from kitchen steam and direct sunlight. NOW packages this product in a bottle made from 100% post-consumer recycled (PCR) resin, helping protect the planet by keeping plastic out of landfills.
Other Ingredients: Hypromellose (cellulose capsule), Maltodextrin (non-GMO), Rice Flour, Ascorbyl Palmitate and Silicon Dioxide.
Allergen Declaration: Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Caution: For adults only. Not for pregnant/nursing women. Consult physician prior to use if taking medication or have a medical condition (especially liver or kidney conditions). Do not exceed recommended dose. Prolonged use only under the supervision of a physician. Keep out of reach of children.
NOW Brand Lab Testing: Advanced Contaminant Screening
Botanical roots and seeds absorb minerals and water directly from agricultural soil. If a manufacturer does not test rigorously, herbal supplements can easily become contaminated with toxic heavy metals, synthetic pesticides, or harmful bacteria. Budget brands found in big-box stores often skip detailed testing to keep prices low. NOW Foods operates one of the most advanced private analytical testing programs in the nutritional industry:
✓Over 16,000 Tests Every Month in ISO/IEC 17025 Accredited Labs: NOW performs more than 16,000 tests and assays monthly across its state-of-the-art facilities. Their in-house analytical chemistry and microbiology laboratories hold formal ISO/IEC 17025 accreditation, confirming international scientific competence.
✓ICP-MS Heavy Metal Testing (Parts-Per-Billion Precision): Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS), every batch of raw herbs is tested down to parts-per-billion (ppb) levels for toxic lead, arsenic, cadmium, and mercury, strictly clearing California Proposition 65 limits.
✓500+ Multi-Residue Pesticide Screening: Dual GC-MS/MS and LC-MS/MS tandem mass spectrometers screen incoming botanical lots against more than 500 agricultural pesticides and chemical solvent residues.
✓HPTLC Botanical Identity Fingerprinting: High-Performance Thin-Layer Chromatography (HPTLC) verifies that every botanical matches its exact species fingerprint, preventing adulteration or cheap herbal fillers.
✓Microbiological Pathogen Clearance: Automated culture testing validates the total absence of harmful pathogens including Salmonella spp., Escherichia coli, and Staphylococcus aureus, alongside strict yeast and mold limits.
Why Order from VitaNet®, LLC? (Family-Owned Since 1995)
Where you buy your supplements is just as important as the brand you choose. Open online marketplaces are filled with unverified third-party sellers, counterfeit labels, and heat-damaged bottles stored in hot warehouses.
✓31+ Years of Dedicated Expertise: Founded in 1995 in Hartville, Ohio, VitaNet®, LLC brings over 31 years of direct hands-on human biochemistry and natural supplement curation experience.
✓Direct Manufacturer Sourcing: All inventory is sourced directly from authorized brand distribution and kept in climate-controlled facilities to ensure maximum active potency.
✓Unconditional 100% Money-Back Guarantee: If you are not completely satisfied, we refund your purchase and cover return shipping costs—even on opened bottles.
✓Real Human Support & BBB A+ Rating: Have questions? Call our experienced Ohio team directly at (330) 877-8786.
*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.
Authoritative Scientific References:
Garcia de Arriba, S., Naser, B., & Algermissen, B. (2013). Vascular and antibacterial properties of Arctostaphylos uva-ursi and its main active constituent arbutin. Phytomedicine, 20(14), 1275–1282.
Kreydiyyeh, S. I., & Usta, J. (2002). Diuretic effect and mechanism of action of Petroselinum crispum seeds. Journal of Ethnopharmacology, 79(3), 353–357.
Carneiro, D. M., et al. (2014). Randomized, double-blind clinical trial to assess the acute diuretic effect of Equisetum arvense (field horsetail) in healthy volunteers. Evidence-Based Complementary and Alternative Medicine, 2014, Article ID 760683.
Seddik, L., et al. (2010). Antioxidant and renoprotective effects of rosemary extract against acute renal failure. Journal of Functional Foods, 2(4), 261–268.
European Medicines Agency (EMA). (2018). European Union herbal monograph on Arctostaphylos uva-ursi (L.) Spreng., folium. Committee on Herbal Medicinal Products (HMPC). EMA/HMPC/750269/2016.
Frequently Asked Questions
Can I open the capsules and mix the powder into water or a smoothie?
Yes. If you prefer not to swallow capsules, you can gently pull the two halves apart and empty the herbal powder into a small glass of water, unsweetened juice, or a smoothie. Keep in mind that natural herbs like Uva Ursi, parsley seed, and rosemary have a strong, earthy herbal flavor because this product contains zero artificial flavorings or added sugars.
How does NOW Kidney Cleanse compare to cheap big-box store kidney pills or cranberry juice?
Standard grocery store cranberry juices are loaded with up to 30 grams of sugar per glass, which feeds unwanted bacteria. Generic big-box store pills often use unstandardized plant powders that may harbor heavy metal contamination. NOW Kidney Cleanse provides a targeted 7-herb synergistic formula with standardized Uva Ursi leaf, tested for heavy metal purity down to parts-per-billion in ISO 17025 accredited labs, with zero added sugars or synthetic binders.
Why should I use this formula in cycles instead of taking it all year without stopping?
This formula contains concentrated Uva Ursi, which delivers natural arbutin. Arbutin is an effective botanical compound designed for targeted, short-term support. Taking it continuously for many months without breaks can overwork the liver and kidneys. Using this formula for 3 to 6 weeks followed by a 2- to 4-week break delivers optimal cleansing benefits while keeping your body balanced.
How much water should I drink while taking this herbal kidney flush?
You should drink at least 8 to 10 full glasses of pure water (H2O) throughout the day. Flushing botanicals like parsley seed and horsetail encourage natural fluid excretion, and plenty of clean water is required to continuously wash out filtered metabolic debris through the urinary tract.
Will taking NOW Kidney Cleanse break an intermittent fast?
A standard 2-capsule serving contains negligible calories and zero grams of sugar, so it will not spike your blood sugar or kick you out of ketosis. However, because herbal extracts absorb more comfortably and smoothly with food, we recommend taking your capsules alongside a meal during your normal daily eating window.
