Optibac One Week Flat Probiotic - 7 Sachets

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Optibac One Week Flat Probiotic - 7 Sachets

Who is it for?

Optibac One Week Flat is an affordable, 7-day course of friendly bacteria in easy-to-take sachets. It is gluten-free and therefore may be suitable for those with bloating.

Friendly bacteria suitable for those with bloating

A short term friendly bacteria supplement which complements the natural gut bacteria.

  • High-quality supplement Contains strains proven to survive stomach acidity and reach the gut alive

  • Combination formula with FOS fibres A multi-strain supplement containing four live cultures strains combined with FOS fibres

  • Using only targeted strains Including Lactobacillus acidophilus/helveticus Rosell-52

  • Easy to take and flavourless Individual powder sachets can be mixed into cool, non-acidic food or drink

  • Suitable for those with occasional bloating Gluten free supplement with strains shown to produce digestive enzymes like lactase and α-glucosidase, involved in the breakdown of lactose in milk & starch

  • Can be taken short-term or ongoing Ideal for occasional use, simply take for 7 consecutive days, or can be taken daily

  • A more natural option Vegan and free from added sugars and flavourings often found in other live cultures supplements

Optibac Probiotics strains

  • Lactococcus lactis Rosell-1058

  • Lactobacillus casei Rosell-215

  • Lactobacillus acidophilus/helveticus Rosell-52

  • Bifidobacterium bifidum Rosell-71

Added nutrients

  • FOS fibres


Recommended use

Natural food supplement suitable for adults and children (from 4 years onwards) with the following recommendations:

  • Take 1 sachet daily for 7 consecutive days, preferably with breakfast.

  • Pour an inch of water into a tall glass, leaving plenty of room for swirling.

  • Shake the sachet before gently sprinkling the powder into the glass.

  • Vigorously swirl the water around in the glass making sure the powder is dissolved.

We highly recommend you take One Week Flat for 7 consecutive days. Many consumers like to take this course once a month. However, it can be taken on an ongoing basis or as desired.


  • Store in a cool, dry place below 25°C and out of direct sunlight.


Live cultures are not recommended for those with serious medical conditions e.g. those who are severely immunosuppressed, have pancreatitis, are in the ICU, have melaena, have a central venous catheter, infants with short bowel syndrome, or patients with open wounds following major surgery; unless under a doctor's care. Keep out of reach of children.

Gut health supplements are not intended to prevent, treat or diagnose any medical conditions. If taking probiotic supplements for gut health, note that these should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. If you are taking any medications or have a serious medical condition, consult a doctor before use. Optibac supplements will not cause dependency and may be used on an ongoing basis.


Maltodextrin (natural source); Fructooligosaccharides (FOS 0.3g); Live cultures: Bifidobacterium bifidum Rosell-71, Lactobacillus casei Rosell-215, Lactococcus lactis Rosell-1058 and Lactobacillus acidophilus/helveticus Rosell-52

Each sachet guarantees 5 billion live cultures + 0.3g FOS fibres.


  • Vegan

  • Vegetarian

  • Gluten free

  • Yeast free

  • No added sugar

  • Suitable during pregnancy

  • Suitable during breastfeeding

  • GMO free

  • Flavourless

  • Free from artificial flavourings, colourings and preservatives

  • No chemicals or parabens

Following the taxonomic updates by a global team of scientists and published in April 2020, a reclassification has been advised for the L.casei species. The casei strain in the Optibac One Week Flat product is now also known as Lacticaseibacillus casei Rosell-215.