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Product features.
A good fit for Understanding the exact D-mannose product and serving behind urinary-health marketing.
- The ingredients identify D-mannose separately from the capsule shell and brown rice flour, making the formula easier to examine than a mixed cranberry product.
- The three-capsule serving and 180-capsule count are explicit; the retailer also allows the capsules to be opened into water.
A large placebo-controlled trial did not show fewer recurrent UTIs with daily D-mannose. A clear label does not make it an effective prevention or treatment option.
Check the exact version, pack size and seller terms before buying.
The details that matter.
- Main ingredient
- D-mannose
- Declared amount
- 2000 mg per three capsules
- Photographed pack
- 180 vegan capsules; 60 three-capsule servings
- Other listed ingredients
- Hydroxypropyl methylcellulose capsule shell; brown rice flour
- Format
- Capsules; retailer says the contents can be mixed with water
- Discuss recurrent urinary symptoms with a clinician. This supplement should not delay assessment or replace prescribed infection treatment.
- The NIHR summary reports no prevention benefit in women with recurrent UTIs taking 2 g daily in a large UK trial.
- Check the received label and seek individual advice with pregnancy, medicines or an existing medical condition; a retail serving is not a personal treatment plan.
Cycling & duration.
Ingredient timeframes describe the cited preparation; they do not establish a cycle for every finished formula.
D-mannose
- On/off pattern
- No validated preventive D-mannose cycle is established.
- Duration & evidence
- Study duration only: a large trial used daily D-mannose for 6 months and found no reduction in recurrent UTIs in women presenting to primary care. Six months is not a recommended course.
- When to review
- Discuss recurrent urinary symptoms and evidence-based prevention with a clinician instead of repeating supplement courses.
- A negative six-month trial does not establish a shorter successful cycle or a required washout.
- Do not delay assessment of an active suspected UTI while trying to finish the bottle.
Duration sources: NIHR Evidence: six-month D-mannose trial did not prevent recurrent UTIs. Checked 2026-11-06.
Read the guide to supplement cycling, courses and review periods
How we assessed it.
The exact Amazon UK retailer listing, ingredient information and product photograph were checked on 6 November 2026. Supplement context comes from the linked reading and public health sources. Gram Health has not independently tested this product, its purity, absorption or clinical effects.
Retailer source: Amazon UK retailer listing: VitaBright Clean D-Mannose 2000mg, 180 Capsules · Details checked 2026-11-06.
NIHR Evidence: D-mannose did not prevent recurrent UTIs in a large trial
These features explain the choice; individual fit, taste and health suitability can differ. Current stock, price and seller terms belong to the specific listing.
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