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Bio-Kult Pro-Cyan 45 Capsules

Bio-Kult Pro-Cyan 45 Capsules

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  • ✔️ Combines cranberry PACs, D-mannose, and live bacterial cultures
  • ✔️ Helps reduce frequency of recurrent urinary tract infections
  • ✔️ Targets bacterial adhesion in the urinary tract lining
  • ✔️ Suitable for adults seeking non-antibiotic UTI prevention
  • ✔️ 45-capsule pack provides over three weeks of daily support

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Is Bio-Kult Pro-Cyan the Right Cranberry Supplement for UTI Support?

 

Urinary tract infections are one of the most common bacterial infections in the UK, affecting millions of people every year — particularly women. If you find yourself reaching for antibiotics time and again, you might be wondering whether there's a more proactive approach. Bio-Kult Pro-Cyan 45 Capsules is a multi-action urinary tract health supplement designed to be taken daily, combining three distinct active components to help reduce the frequency of recurrent UTIs. It's available without a prescription and can be ordered conveniently from our vitamins and supplements range.

Each capsule contains cranberry extract standardised for proanthocyanidins (PACs), D-mannose, and live bacterial cultures. Together, these ingredients target the urinary tract from multiple angles — making this a notably different approach from simply drinking cranberry juice. The cranberry supplement for UTI market has grown considerably in recent years, and Bio-Kult Pro-Cyan stands out for its combination formula rather than relying on a single ingredient alone.

 

How Does Bio-Kult Pro-Cyan Work to Support Urinary Tract Health?

 

The mechanism behind Bio-Kult Pro-Cyan is genuinely interesting. Rather than simply acidifying urine (a common misconception about cranberry products), it works through a more targeted process:

  • Cranberry PACs (proanthocyanidins): These compounds prevent certain bacteria, particularly Escherichia coli, from adhering to the walls of the urinary tract. Without adhesion, bacteria are more easily flushed out during urination.
  • D-mannose: A naturally occurring simple sugar that binds to E. coli bacteria in the bladder, helping to carry them out of the body when you urinate. It does not get metabolised in the same way as other sugars, so it reaches the urinary tract largely intact.
  • Live bacterial cultures: These support a balanced urinary and gut microbiome, which plays a role in overall immune defence and may help reduce susceptibility to infection.

This three-pronged approach means the supplement addresses bacterial adhesion, bacterial clearance, and microbiome balance simultaneously — rather than relying on one mechanism alone.

 

Who Should Consider Using Bio-Kult Pro-Cyan Capsules?

 

This supplement is primarily aimed at adults who experience recurrent urinary tract infections or who want to take a preventative approach to urinary health. It's particularly relevant if you've had two or more UTIs in the past six months, or three or more in the past year — a pattern the NHS recognises as recurrent UTI. That said, it's not a treatment for an active infection; if you currently have symptoms of a UTI, you should speak to your GP or pharmacist first.

Bio-Kult Pro-Cyan may be suitable for you if you:

  • Experience recurrent urinary tract infections and want a non-antibiotic preventative option
  • Are looking to support urinary tract health alongside conventional treatment
  • Have been advised by a healthcare professional to try cranberry-based supplementation
  • Are an adult without known cranberry or fructose intolerance

It is not suitable for children, and those who are pregnant, breastfeeding, or immunocompromised should seek medical advice before use. If you're also managing a condition like cystitis or bladder infection, speak to your pharmacist about whether this supplement is appropriate alongside any other treatment you're using.

 

How Does Bio-Kult Pro-Cyan Compare to Other UTI Supplements?

 

Feature Bio-Kult Pro-Cyan Standard Cranberry Capsules
Active ingredients Cranberry PACs + D-mannose + live cultures Cranberry extract only
Mechanism of action Anti-adhesion, bacterial clearance, microbiome support Anti-adhesion only
Suitable for daily use Yes Yes
Prescription required No — OTC supplement No — OTC supplement

 

How Should You Store Bio-Kult Pro-Cyan and Is It Clinically Suitable for You?

 

Store Bio-Kult Pro-Cyan below 25°C in a cool, dry place away from direct sunlight. Keep the capsules in their original packaging and out of reach of children. Do not use after the expiry date printed on the pack. Because the product contains live bacterial cultures, avoid storing it in humid environments such as bathrooms.

From a clinical suitability perspective, this cranberry supplement for UTI prevention is generally well tolerated in healthy adults. However, cranberry products may interact with warfarin (an anticoagulant), potentially affecting how the drug works. If you take warfarin or any other blood-thinning medication, do not use this supplement without first consulting your GP or pharmacist. Similarly, those with fructose intolerance should check the full ingredient list before use, as D-mannose is a sugar-based compound.

This product is a supplement, not a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Bio-Kult Pro-Cyan 45 Capsules specifications
Treatment category Urinary tract health / UTI prevention
Mechanism of action Bacterial anti-adhesion (PACs), bacterial clearance (D-mannose), microbiome support (live cultures)
Effective for Reducing frequency of recurrent urinary tract infections in adults
Suitable for Adults; not suitable for children, those with cranberry/fructose intolerance, or those on warfarin without medical advice
Active ingredients Cranberry extract (standardised for PACs), D-mannose, live bacterial cultures
Pack size 45 capsules
UK classification Food supplement (not a licensed medicine)
Preparation Hard capsule
Route of administration Oral

Specifications of Bio-Kult Pro-Cyan 45 Capsules

 

What Is Bio-Kult Pro-Cyan and What Is It Used For?

 

Bio-Kult Pro-Cyan 45 Capsules is an over-the-counter food supplement formulated to support urinary tract health in adults. It is not a licensed medicine and does not treat an active urinary tract infection. Instead, it is designed to be taken daily as a preventative measure — particularly for people who experience recurrent UTIs. The NHS notes that recurrent UTIs are common, especially in women, and that lifestyle and dietary measures can play a role in reducing their frequency.

The supplement combines three active components: cranberry proanthocyanidins (PACs), D-mannose, and live bacterial cultures. Each of these contributes to urinary tract health through a different mechanism, making this a multi-action approach to UTI prevention. It is taken orally in capsule form and does not require a prescription.

 

What Do You Need to Know Before Using Bio-Kult Pro-Cyan?

 

Before starting any new supplement, it's important to check whether it's appropriate for your individual circumstances. Please read the following carefully.

Do not use Bio-Kult Pro-Cyan if you:

  • Are allergic to cranberry or any other ingredient in the product
  • Have a known fructose intolerance (D-mannose is a sugar-based compound)
  • Are under 18 years of age
  • Have been diagnosed with kidney stones related to oxalate (cranberry may increase urinary oxalate levels)

Speak to your GP or pharmacist before use if you:

  • Are pregnant or breastfeeding
  • Are immunocompromised or have a serious underlying health condition
  • Have diabetes (D-mannose is a sugar; monitor blood glucose if relevant)
  • Are currently being treated for an active urinary tract infection

Known drug interactions:

  • Warfarin: Cranberry products may affect the anticoagulant activity of warfarin. The MHRA has previously issued guidance on this interaction. Do not use this supplement if you take warfarin without first consulting your doctor.
  • Other anticoagulants: Exercise caution and seek medical advice.

 

How Should You Use Bio-Kult Pro-Cyan Correctly?

 

Using this supplement consistently is key to getting the most from it. Follow these steps:

  1. Take one capsule twice daily — once in the morning and once in the evening.
  2. Swallow the capsule whole with a full glass of water.
  3. Take with food to minimise any potential digestive discomfort.
  4. Continue taking daily, even when you have no symptoms — this is a preventative supplement.
  5. Do not exceed two capsules per day unless directed by a healthcare professional.
Indication Age Group Dose Frequency
UTI prevention / urinary tract support Adults (18+) 1 capsule Twice daily
Not recommended Under 18

If you are also exploring other options for urinary health, our women's health range includes additional products that may complement your approach.

 

What Are the Possible Side Effects of Bio-Kult Pro-Cyan?

 

Bio-Kult Pro-Cyan is generally well tolerated. Side effects are uncommon, but as with any supplement, some people may experience mild reactions — particularly when first starting use.

Common side effects:

  • Mild bloating or flatulence (often related to the live bacterial cultures)
  • Loose stools or mild diarrhoea
  • Mild stomach discomfort

These effects typically resolve within a few days as your digestive system adjusts. Taking the capsule with food can help reduce them.

Less common side effects:

  • Nausea
  • Headache
  • Allergic reaction (rash, itching, swelling) — stop use immediately and seek medical advice if this occurs

If you experience any severe or persistent side effects, stop taking the supplement and contact your GP or pharmacist. This is a supplement, not a medicine, but that doesn't mean side effects should be ignored.

 

How Should You Store Bio-Kult Pro-Cyan Safely?

 

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and moisture
  • Do not store in a bathroom or near a heat source
  • Keep the capsules in their original packaging
  • Keep out of reach and sight of children
  • Do not use after the expiry date printed on the pack
  • Do not freeze

Because Bio-Kult Pro-Cyan contains live bacterial cultures, storage conditions matter more than they might for a standard vitamin tablet. Excessive heat or humidity can reduce the viability of the cultures. If you're unsure whether your product has been stored correctly, contact your pharmacist for advice. You can also browse our full vitamins and supplements collection for further urinary and general health support options.

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Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Bio-Kult Pro-Cyan 45 Capsules online in the UK?

You can buy Bio-Kult Pro-Cyan 45 Capsules directly from Cured Pharmacy online for £16.95 per pack. It is available without a prescription as an over-the-counter food supplement. Simply add it to your basket and choose your preferred delivery option at checkout.

How does Bio-Kult Pro-Cyan work in the body?

Bio-Kult Pro-Cyan works through three complementary mechanisms. Cranberry proanthocyanidins (PACs) prevent bacteria from sticking to the urinary tract lining, D-mannose binds to E. coli to help flush it out during urination, and live bacterial cultures support a healthy urinary and gut microbiome. Together, these actions help reduce the likelihood of recurrent urinary tract infections.

How do I use Bio-Kult Pro-Cyan step by step?

Take one capsule twice daily — once in the morning and once in the evening — with a full glass of water. It is best taken with food to reduce the chance of any mild digestive discomfort. Swallow the capsule whole and use it consistently every day for ongoing urinary tract support.

What is the best time of day to take Bio-Kult Pro-Cyan?

There is no single "best" time, but taking one capsule in the morning and one in the evening with meals helps maintain a consistent level of active ingredients throughout the day. Spacing doses roughly 10–12 hours apart is a practical approach for most people. Consistency matters more than the exact time.

What are the side effects of Bio-Kult Pro-Cyan and how do I manage them?

Side effects are uncommon but may include mild bloating, loose stools, or stomach discomfort — particularly in the first few days of use as your body adjusts to the live bacterial cultures. Taking the capsule with food usually helps. If symptoms persist beyond a week or are severe, stop use and speak to your pharmacist or GP.

Who is eligible to take Bio-Kult Pro-Cyan?

Bio-Kult Pro-Cyan is suitable for adults aged 18 and over who want to support urinary tract health or reduce the frequency of recurrent UTIs. It is not suitable for children, those with cranberry or fructose intolerance, or those taking warfarin without first consulting a doctor. Pregnant or breastfeeding individuals should seek medical advice before use.

What happens if I miss a dose of Bio-Kult Pro-Cyan?

If you miss a dose, take it as soon as you remember — unless it is nearly time for your next scheduled dose, in which case simply skip the missed one and carry on as normal. Never take a double dose to make up for a missed one. Missing the occasional dose is unlikely to significantly affect the supplement's overall benefit.

Can I take Bio-Kult Pro-Cyan if I am on warfarin?

No — you should not take Bio-Kult Pro-Cyan if you are on warfarin without first consulting your GP or pharmacist. Cranberry products have a known potential interaction with warfarin that may affect how the anticoagulant works, and the MHRA has previously issued guidance on this. Your doctor can advise whether it is safe in your specific case.

Is Bio-Kult Pro-Cyan suitable during pregnancy or breastfeeding?

The safety of Bio-Kult Pro-Cyan during pregnancy and breastfeeding has not been established, so it is not recommended without medical supervision. If you are pregnant, trying to conceive, or breastfeeding, speak to your GP or midwife before starting any new supplement. They can help you weigh up the potential benefits and risks for your individual situation.

How long should I take Bio-Kult Pro-Cyan for?

Bio-Kult Pro-Cyan can be taken as a long-term daily supplement for ongoing urinary tract support. Many people use it continuously throughout periods when they are most susceptible to UTIs. If you experience a suspected active UTI at any point, consult your GP rather than relying solely on this supplement — you may need antibiotic treatment.

What are the alternatives to Bio-Kult Pro-Cyan for UTI prevention?

Alternatives include standalone cranberry capsules, D-mannose supplements taken separately, or probiotic supplements focused on urinary health. You can explore options in our cystitis and bladder infection range. Your GP may also discuss low-dose antibiotic prophylaxis if recurrent UTIs are significantly affecting your quality of life.

Does Bio-Kult Pro-Cyan treat an active UTI?

No — Bio-Kult Pro-Cyan is a food supplement designed for prevention, not treatment. If you currently have symptoms of a UTI such as burning urination, frequent urges to urinate, or cloudy urine, you should contact your GP or pharmacist promptly. Active infections typically require antibiotic treatment, and delaying this can allow the infection to spread.

Is Bio-Kult Pro-Cyan suitable for men?

Yes, Bio-Kult Pro-Cyan is suitable for adult men as well as women, though UTIs are significantly more common in women. Men who experience recurrent UTIs — which can sometimes indicate an underlying condition such as an enlarged prostate — should also speak to their GP to rule out other causes. You can find additional products in our men's health range.

What does the research say about cranberry supplements for UTI prevention?

Research into cranberry products for UTI prevention has produced mixed results, though some studies suggest that cranberry PACs may reduce the frequency of recurrent UTIs in certain populations — particularly women with a history of recurrent infections. The NHS acknowledges that some people find cranberry products helpful, though the evidence is not conclusive enough for a universal recommendation. D-mannose has also shown promise in clinical studies as a UTI prevention strategy.

Can I take Bio-Kult Pro-Cyan alongside antibiotics?

If you are currently taking antibiotics for a UTI, it is generally advisable to space probiotic-containing supplements a few hours apart from the antibiotic dose, as antibiotics can reduce the viability of live bacterial cultures. Always let your GP or pharmacist know about all supplements you are taking so they can advise on timing and suitability. Do not use this supplement as a substitute for prescribed antibiotic treatment.

How Should You Use Bio-Kult Pro-Cyan?

Bio-Kult Pro-Cyan is straightforward to use, but consistency is everything with a preventative supplement. Taking it at the same times each day helps you build a routine and ensures the active ingredients — cranberry PACs, D-mannose, and live bacterial cultures — are maintained at a steady level in your system. Follow these steps each day:

Do not take more than two capsules in any 24-hour period. If you have difficulty swallowing capsules, speak to your pharmacist about whether the capsule can be opened and the contents mixed with food or a cold drink — do not do this without checking first, as it may affect the viability of the live cultures.

What Is the Correct Dose of Bio-Kult Pro-Cyan?

The standard recommended dose for adults is one capsule twice daily. There is no dose adjustment for older adults, but those with underlying health conditions should seek advice from their GP or pharmacist before starting. The table below summarises dosing by indication and age group.

Do not exceed the recommended dose. If you are unsure whether this supplement is appropriate for your situation, speak to your pharmacist before starting.

When Is the Best Time to Use Bio-Kult Pro-Cyan?

There is no clinically mandated time of day for taking Bio-Kult Pro-Cyan, but most people find it easiest to take one capsule with breakfast and one with their evening meal. This spacing helps maintain a consistent presence of the active ingredients throughout the day and night. Taking it with food also reduces the likelihood of any mild stomach upset, particularly from the live bacterial cultures.

If you are also taking antibiotics for a UTI, space your Bio-Kult Pro-Cyan dose at least two hours away from the antibiotic dose. This helps preserve the viability of the live cultures, which antibiotics can otherwise reduce.

How Long Can You Use Bio-Kult Pro-Cyan For?

Bio-Kult Pro-Cyan is designed for ongoing daily use and can be taken long-term as part of a urinary health routine. There is no specified maximum duration of use for healthy adults. Many people take it continuously throughout periods when they are most susceptible to UTIs — for example, during winter months or following antibiotic courses.

That said, if you notice no improvement in the frequency of UTIs after two to three months of consistent use, it is worth discussing alternative strategies with your GP. And if you develop symptoms of an active UTI at any point — such as burning urination, cloudy urine, or pelvic pain — seek medical advice promptly rather than relying on this supplement alone.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Bio-Kult Pro-Cyan?

Most people tolerate Bio-Kult Pro-Cyan well, and side effects are generally mild and short-lived. The live bacterial cultures in the formula are the most likely cause of initial digestive symptoms, as your gut microbiome adjusts to the new strains. These effects typically settle within the first few days of use.

  • Mild bloating or flatulence
  • Loose stools or mild diarrhoea
  • Mild stomach discomfort or cramping

Taking the capsule with food rather than on an empty stomach is the simplest way to reduce these effects. If they persist beyond one week, stop use and speak to your pharmacist.

What Are the Less Common Side Effects of Bio-Kult Pro-Cyan?

Less commonly, some individuals may experience the following. These are not expected in the majority of users but are worth being aware of before you start.

  • Nausea
  • Headache
  • Increased urinary frequency (usually temporary)
  • Mild skin reactions such as itching or rash — which may indicate a sensitivity to one of the ingredients

If you develop a skin reaction, swelling, or difficulty breathing after taking this supplement, stop immediately and seek urgent medical attention, as these could indicate an allergic response.

What Are the Serious Side Effects of Bio-Kult Pro-Cyan?

Serious side effects from Bio-Kult Pro-Cyan are rare, but they can occur. The most significant concern is an allergic reaction (anaphylaxis), which — though uncommon — requires immediate medical attention. Signs include sudden swelling of the face, lips, or throat, difficulty breathing, or a rapid drop in blood pressure.

Additionally, in people with a history of kidney stones related to oxalate, cranberry products may theoretically increase urinary oxalate excretion. If you have a history of oxalate kidney stones, speak to your GP before using this supplement.

What Should You Do If You Experience Side Effects?

For mild digestive side effects, try taking the capsule with a larger meal and give your body up to one week to adjust. If symptoms are moderate or do not improve, stop taking the supplement and consult your pharmacist. For any signs of an allergic reaction — however mild — stop use immediately and seek medical advice. You should also report any suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Bio-Kult Pro-Cyan Interact With Other Medicines?

Yes — the most clinically significant interaction is with warfarin. Cranberry products have been shown to potentially affect the anticoagulant activity of warfarin, and the MHRA has issued guidance on this interaction. If you take warfarin or any other anticoagulant, do not use this supplement without first consulting your GP or anticoagulant clinic. There are no other widely documented drug interactions for this supplement, but you should always inform your pharmacist of all medicines and supplements you are taking.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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