Protocol·Urinary Health·Intermediate·Reviewed June 9, 2026
UTI Prevention Protocol.
Adjunctive prevention support for recurrent uncomplicated urinary tract infection risk, focused on urinary adhesion, urogenital microbiome balance, and vitamin D status. It is not treatment for an active infection; fever, flank pain, pregnancy, male UTI, blood in urine, or persistent symptoms need prompt care.
The uti prevention protocol in brief.
A quick summary. The full stack, with dose and timing for each supplement, is below.
The UTI Prevention Protocol is an intermediate stack of 3 supplements aimed at urinary health: D-Mannose, Lactobacillus Rhamnosus, and Vitamin D3. 2 are core and the rest are optional add-ons, at roughly $25-45/mo. Each supplement below lists its dose, timing, role, and the evidence behind it.
What is in the uti prevention protocol.
Dose, timing, role, and evidence tier for each supplement. Core items carry the protocol; optional ones are situational. Open any name for the full profile.
| Supplement | Dose | Timing | Role | Evidence |
|---|---|---|---|---|
| D-Mannose | 2 g | Daily with water, or after common personal triggers | Optional | Emerging |
| Lactobacillus Rhamnosus | 1-10 billion CFU | Daily with food | Core | Emerging |
| Vitamin D3 | 1000-2000 IU, guided by 25-hydroxyvitamin D level | With the largest meal | Core | Emerging |
D-Mannose is biologically plausible for reducing bacterial adhesion, but evidence is mixed and a large recent randomized trial found no meaningful prevention benefit in primary care. Treat it as optional rather than foundational.
Lactobacillus strategies aim to support urogenital microbial balance, but product strain and delivery route matter and clinical effects are inconsistent. This is adjunctive prevention, not active infection care.
Vitamin D supports antimicrobial peptide biology in the urinary tract, and small trials suggest deficiency correction may reduce recurrence in some groups. It should be targeted to low or borderline status.
How the pieces combine.
The mechanistic rationale for stacking these together rather than taking them in isolation.
- This protocol is prevention-only; active UTI symptoms require testing and appropriate medical care.
- D-Mannose has mixed evidence, so it should not displace proven risk-reduction steps or clinician-directed prevention plans.
- Lactobacillus Rhamnosus and Vitamin D3 are most rational when recurrent infections coincide with microbiome disruption or low vitamin D status.
Cost and commitment.
A rough monthly cost and how involved the protocol is to run.
The evidence behind it.
Overview citations for this protocol. Each supplement's own profile carries its full source list.
- Beerepoot M et al. Non-Antibiotic Prophylaxis for Urinary Tract Infections. Pathogens. 2016;5(2).
- Hayward G et al. d-Mannose for Prevention of Recurrent Urinary Tract Infection Among Women: A Randomized Clinical Trial. JAMA Intern Med. 2024;184(6):619-628.
Common questions.
Quick answers drawn from the stack above.
What is in the UTI Prevention Protocol?
The UTI Prevention Protocol combines 3 supplements for urinary health: D-Mannose, Lactobacillus Rhamnosus, and Vitamin D3. 2 are core; the rest are optional.
How much does the UTI Prevention Protocol cost?
NutriStack estimates the UTI Prevention Protocol at about $25-45/mo, depending on the forms and brands you choose and whether you run the optional add-ons.
Is the UTI Prevention Protocol backed by evidence?
Each supplement in the protocol carries its own evidence tier (0 rated strong here) and links to PubMed-cited sources. NutriStack does not rank or score brands and takes no manufacturer payments; this is an informational reference, not medical advice.
Build it in the app
Run the uti prevention protocol in NutriStack.
Add the stack to NutriStack to track timing, screen it for interactions, and see a Stack Score that updates as you tune it.