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Each easy-to-use sachet contains a measured 5 billion live cultures, all scientifically proven to survive stomach acidity and reach the gut alive where they can be most beneficial. The addition of FOS fibres acts as a prebiotic, nourishing both the supplemented and existing beneficial bacteria to help promote a balanced digestive environment. This thoughtful combination makes One Week Flat an ideal choice for a concise, impactful wellness intervention. The flavourless powder from each sachet dissolves effortlessly into cool, non-acidic food or drink, offering a simple daily ritual without the need for refrigeration, perfectly suited for a week of mindful digestive care.
Versatility is at the heart of this supplement's design. While crafted as an effective short-term course to be taken for seven consecutive days, it can also be incorporated into an ongoing daily routine if desired. Its pure composition is free from added sugars, artificial flavourings, and common allergens, making it a clean and natural choice. Furthermore, its gentle profile ensures it is suitable for use during pregnancy and breastfeeding, providing a trustworthy option for maintaining digestive ease during life's special stages. This blend of simplicity, purity, and focused action makes it an accessible entry point into the world of probiotic support.
As part of the UK's most recommended brand of friendly bacteria supplements, Optibac One Week Flat embodies a promise of quality and trust. It represents a practical and evidence-based approach to managing occasional digestive discomfort, offering a dedicated week of support without long-term commitment. Whether used for a brief reset or as an introduction to probiotic benefits, this seven-day course provides a straightforward, natural pathway to feeling lighter and more comfortable, empowering you to take proactive steps towards digestive wellbeing.
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.
Ingredients:
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.
Storage:
Store in a cool, dry place below 25°C and out of direct sunlight.
Safety:
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.








