What is CDS22-formula?
450 billion live bacteria. Eight named strains. One sachet.
CDS22-formula is an eight-strain live bacteria food supplement. The formulation was developed by Professor Claudio De Simone, and every box is kept chilled until it reaches your door.

What's in the box
Live bacteria per sachet450 billion CFU, as stated on the UK pack.
Strains, every one namedEach listed on the label with its own deposit code.
Sachets per boxTwelve in every box, not ten.
Eight strains. Nothing hidden.
Many probiotics list a "blend". CDS22-formula names each strain and prints its NCIMB deposit code on the pack, so you can check exactly what you are taking.
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SStreptococcus thermophilus
NCIMB 30438 -
BBifidobacterium breve
NCIMB 30441 -
BBifidobacterium animalis subsp. lactis
NCIMB 30435 -
BBifidobacterium animalis subsp. lactis
NCIMB 30436 -
LLactobacillus acidophilus
NCIMB 30442 -
LLactobacillus plantarum
NCIMB 30437 -
LLactobacillus paracasei
NCIMB 30439 -
LLactobacillus helveticus
NCIMB 30440
Strain names and codes are taken from the current UK pack label supplied by the manufacturer, EOS2021 S.r.l. Always check the current pack, as specifications can change.
A formulation with a long research record.
The De Simone Formulation has been studied in trials published in journals including Gastroenterology and Gut from 2000 onwards.
These figures relate to the De Simone Formulation as described in the published literature. The counts are as stated by the manufacturer, EOS2021 S.r.l., and Probiotic.co.uk has not independently verified them. No clinical trial has been conducted on CDS22-formula under that product name. These figures are not a claim that CDS22-formula treats, cures or prevents any condition.
Where it comes from
The name on the box is new. The story behind the formulation is not.
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The formulation
Professor Claudio De Simone
An Italian clinician and researcher develops a specific eight-strain, high-strength probiotic blend. The research literature calls it the De Simone Formulation.
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Until 2016
Sold under another name
ECCO, the European Crohn's and Colitis Organisation, states that until 2016 the De Simone Formulation was sold under the VSL#3® brand name.
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After 2016
The name and the formulation part ways
ECCO states that after 2016 the product sold as VSL#3 no longer contains the De Simone Formulation.
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Today
CDS22-formula
The manufacturer, EOS2021 S.r.l., states that CDS22-formula contains the De Simone Formulation, produced from the same original master cell bank. This is a manufacturer statement, not an independent finding.
Trademark and affiliation notice. VSL#3® is a registered trademark of VSL Pharmaceuticals Inc. and Actial S.r.l. Probiotic.co.uk and CDS22-formula are not affiliated with, endorsed by, sponsored by or connected to the holders of that trademark. The brand name is referred to here for identification and historical reference only. CDS22-formula is a separate product sold in competition with it. Nothing on this page should be read as a claim that CDS22-formula is, continues to be, or is a version of that branded product.
Probiotic.co.uk distributes CDS22-formula and is not a neutral party. Read the ECCO statement in full (copy hosted by the manufacturer) or see our sourced formulation history.
Kept cold, all the way to your door.
You are paying for live bacteria, so we protect them at every step.
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Stored in the fridge
Held at 2°C to 8°C at our facility in Chorley, Lancashire.
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Packed with ice
Insulated liner plus medical-grade ice packs, rated by their supplier for up to 73 hours.
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Tracked to your door
Dispatched Monday to Thursday by Royal Mail or DPD, everywhere in the UK.
Pour. Stir. Drink.
A fine powder that mixes into something cool in a few seconds.
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Step 1
Tear open a sachet
Straight from the fridge.
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Step 2
Stir into a cool drink
Water or yoghurt work well. Never anything hot, as heat reduces the live count.
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Step 3
Drink it
Follow the directions on the pack and keep the box in the fridge.
Quick questions
Is CDS22-formula a probiotic?
Yes. CDS22-formula is an eight-strain live bacteria food supplement, with 450 billion CFU in each sachet. It is manufactured by EOS2021 S.r.l. and the formulation was developed by Professor Claudio De Simone.
Is it a medicine?
No. CDS22-formula is sold in the UK as a food supplement. It is not a medicine, it is not licensed by the MHRA, and it is not intended to diagnose, treat, cure or prevent any disease or health condition. No prescription is needed.
Why does it arrive chilled?
Because the bacteria are live. The manufacturer specifies refrigerated storage at 2°C to 8°C, and states the product stays stable at room temperature up to 25°C for up to seven days, which covers normal UK transit. We pack every order with ice packs and an insulated liner. Put it in the fridge when it arrives.
Who sells it in the UK?
Probiotic.co.uk is the sole exclusive distributor of CDS22-formula for the United Kingdom and Ireland, appointed by the manufacturer, EOS2021 S.r.l.
Ready to try it?
Start with one box of 12 sachets, or Subscribe & Save for our lowest price.
Shop CDS22-formula sachetsChilled, tracked UK delivery. Dispatched Monday to Thursday.
CDS22-formula is a food supplement, not a medicine. It is not intended to diagnose, treat, cure or prevent any disease or health condition, and no authorised UK or EU health claim is made for it on this page. Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. If you are pregnant, taking medication, immunosuppressed or under medical supervision, speak to your doctor or pharmacist before use.