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  • What is VSL3? +

    VSL#3® is a highly concentrated poly-biotic food supplement product consisting of the following 8 strains of live-freeze dried lactic acid bacteria:
    • Streptococcus thermophilus BT01
    • Bifidobacterium breve BB02
    • Bifidobacterium longum* BL03
    • Bifidobacterium infantis** BI04
    • Lactobacillus acidophilus BA05
    • Lactobacillus plantarum BP06
    • Lactobacillus paracasei BP07
    • Lactobacillus delbrueckii subsp. bulgaricus*** BD08

      *Recently reclassified as B. animalis subsp. lactis
      **Recently reclassified as B. animalis subsp. lactis
      ***Recently reclassified as L. helveticus
  • Why does each dose have so many bacteria? +

    VSL#3 contains 450 billion bacteria per sachet. It is important that a large enough quantity of bacteria is given to ensure that your gut is properly colonised.

  • Will these bacteria make it through the gut alive? +

    Yes, the bacteria in VSL#3 have been specifically selected because they are able to make it through the hostile environment of your stomach and colonise your gut.

  • How much does VSL#3 cost? +

    VSL#3 is priced at £14.95 per pack of 10 sachets with a shipping price of: – £3.95 per 3 packs of 10 sachets via Ambient Delivery – £8.95 per 1-4 packs of 10 sachets via Cooling Gel Pack Courier Delivery – £4.95 per 5+ packs of 10 sachets via Cooling Gel Pack Courier Delivery

  • Where can I get VSL#3? +

    Simply click ‘Buy Now’ to get your VSL#3

  • Can I order over the phone? +

    Unfortunately we only take orders via our website.

  • Can I get a discount code? +

    Discount codes are not given upon request, however you may sign up for our mailing list when you purchase or create an account. We occasionally send out news and discount codes.


  • Can I order for next day delivery? +

    DPD endeavour to deliver by close of business the following working day but may, occasionally, take up to 48 hours. Please note that we are unable to deliver on Weekends or Mondays and in some areas your order may arrive one working day later than your selected delivery date.

  • When will my order be delivered? +

    If you select our Cooling Gel Pack Box Courier Delivery option you are able to select you delivery date. Please be aware that in some areas of the country, your delivery may arrive one working day later than your selected delivery date. If you select our Ambient Temperature Royal Mail 24-48 hour delivery service, your order should arrive within 48 hours

  • Do I need to sign for my delivery? +

    If you select our Cooling Gel Pack Box Courier Delivery option then you must be in to sign for the parcel. Our Ambient Temperature Royal Mail 24-48 hour delivery service does not require a signature and can fit through standard UK letter boxes.

  • Will I be provided with an estimated delivery time? +

    If you select our Cooling Gel Pack Box Courier Delivery option, on the day of your delivery the courier company will contact you with an estimated one hour delivery time. It is not possible to receive an estimated delivery time for deliveries shipped via Royal Mail, however these deliveries do not need to be signed for.

  • Can VSL#3 be delivered outside the UK? +

    Unfortunately we are only able to deliver to mainland UK (inc. Northern Ireland).


  • How should vsl#3 be stored? +

    To preserve VSL#3 keep it in the fridge. The bacteria have been freeze-dried and are live; it is best that they are kept refrigerated.

  • Can I keep them out of the fridge? +

    Yes, for up to one week without affecting the quality of the product. However, VSL#3 must remain at a temperature below 25°C during that time.

  • Does it matter that My VSL#3 is being delivered out of the fridge via the normal post? +

    No it doesn’t. VSL#3 can be kept out of the fridge for up to 7 days. However, you must remember that the time out of the fridge is now reduced due to delivery time. Please put your VSL#3 in the fridge as soon as you get it.


  • How much and how often should I take VSL#3? +

    1 to 4 sachets per day are recommended.

  • How long do I have to take VSL#3? +

    VSL#3 needs time to support your gut flora, so we recommend taking it for at least one month.

  • When is it best to take it? +

    You can take VSL#3 when you like but it is best to fit it into your daily routine.

  • How do I take VSL#3? +

    VSL#3 is easy to take, try mixing it into your morning yoghurt or adding it to a cold drink such as fruit juice.


  • Are animal products used in the manufacturing process of VSL#3? +

    VSL#3 contains no animal products.

  • What is the Kosher/Halal status of VSL#3? +

    The product is certified as Kosher and Halal.

  • Does it contain any allergens? +

    VSL#3 does not contain: gluten, crustacean shellfish, molluscs, eggs, fish, peanuts, tree nuts, soybeans, milk and lactose, celery, mustard, sesame, lupin and sulphur dioxide at levels above 10mg/kg, or 10mg/litre, expressed as SO2.

  • What are the ingredients of VSL#3? +

    Bacteria blend, maltose (derived from corn starch and potato starch), anti-caking agent: silicone dioxide.
  • What is the nutritional information of VSL#3? +

    per 100 g per sachet (4,4 g)
    Energy value 371 kcal/1574 kJ 16 kcal/69 kJ
    Proteins (Nx6,25) 13,4 g 0,6 g
    Carbohydrates 76,8 g 3,4 g
    Fats 0,38 g 0,015 g
    Sodium 0,038 g 0,002 g
    Ferring do not have the data on potassium & chloride levels, because these tests are not required by the EU regulation.
  • Does VSL#3 contain any flavouring? +

    VSL#3 does not contain any flavouring or colouring.


  • Are there any side effects? +

    Side effects are rarely reported and generally consist of bloating but this is understood to be a temporary effect as your gut adapts itself to the new bacteria.

  • How long does it take VSL#3 to leave the system after one stops taking it? +

    VSL#3 poly-biotic colonize the gut within a few days. However, as with other probiotics, they are not able to permanently colonize the gut and they are not found in stools 15 days after stopping VSL#3.

  • Can I take it during pregnancy? +

    Consult your healthcare professional when taking this or any other food supplement during pregnancy.

  • Is VSL#3 suitable for children? +

    For use in children, please consult a medical professional.


Due to the European Food Safety Authority (EFSA) rulings regarding the use of the terminology “probiotic”, we now refer to VSL#3 as a poly-biotic which highlights its combination of 8 different strains and 450 billion bacteria.

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