What's it for?
Live cultures supplement especially for those taking antibiotics. Take during and after your antibiotics.
Who's it for?
Anyone, aged 1 year and over, taking a typical course of antibiotics.
Each capsule:Provides 4 billion live cultures from OptiBac, guaranteed until end of expiry.
OptiBac 'For those on antibiotics'
For people who are taking antibiotics (e.g. penicillin, tetracycline, doxycycline), or who have recently finished an antibiotic course, the strains of natural bacteria in this supplement are especially selected for their suitability and safety. These two high quality strains of natural bacteria, Lactobacillus acidophilus Rosell-52 and Lactobacillus rhamnosus Rosell-11, have been extremely well-researched, and are scientifically proven to survive to reach the gut alive, even during a course of antibiotics.
Antibiotics do not distinguish between friendly and harmful bacteria and are therefore thought to kill off much of the natural bacteria in the gut; this may often lead to side effects.
More about 'For those on antibiotics'
Lactobacillus acidophilus Rosell-52 is a natural resident of the intestinal microflora; this specific strain from OptiBac has been well studied to survive gastric acidity and bile salts expected at mealtimes and to reach the intestines without damage.
Lactobacillus rhamnosus Rosell-11 is a natural component of the friendly bacteria in the intestines; this species is one of the most studied in the world of live cultures. L. rhamnosus Rosell-11 has been proven to resist bile and gastric acidity over pH 3 - therefore if taken at mealtimes (when pH is around 4), it will pass through the stomach without being damaged.
These two microorganisms have been scientifically tested and shown to survive to reach the gut alive, and to be safe to take during your course of antibiotics.
Lactobacillus acidophilus Rosell-52
Can be given to adults and children (from 1 year and over) with the following recommendations:
Take one capsule daily with food, preferably with breakfast*, every day during antibiotic course, and for a few days afterwards or until the pack has been completed.
Continue taking until pack is completed and add a second pack if the antibiotic treatment lasts more than one week.
OptiBac live cultures may be used on an ongoing basis.
*Can be taken at the same time as antibiotics - this product has been clinically trialled alongside antibiotics and found to reach the gut alive.
Note: Any customers taking particularly long-term and/or high strength antibiotics may want to consider taking OptiBac For every day EXTRA Strength instead. Also, for anyone unable to swallow capsules, the contents of the capsule can be mixed with a cold meal or beverage.
Like the rest of the OptiBac range, this does not require refrigeration.
Store out of direct sunlight.
Live cultures are not recommended for those with serious medical conditions eg. those who are severely immunosuppressed, have pancreatitis, are in the ICU, have melaena, have a central venous catheter, infants with short bowel syndrome, or to patients with open wounds following major surgery; unless under a doctor's care. Furthermore, pregnant or breastfeeding women should consult their doctor before taking Saccharomyces boulardii or 'For travelling abroad'.
Frequently Asked Questions
Healthcare professionals can follow the links below to read FAQs.
You can find more of our frequently asked questions on our FAQ page.
As we are an UK-based company, the product prices on our website will always be shown in pounds sterling (GBP £). As currency exchange rates fluctuate on a daily basis, the conversion to local currency will be made by your bank on the day of purchase. Check out today's currency conversion rates using a search engine and an appropriate currency conversion tool, though do bear in mind that the rates displayed may be subject to change before your bank processes your transaction.
Order before 3pm from Monday – Friday and select option ‘next day delivery’ at the checkout for your order to arrive the next day.
Next Day: £6 - guaranteed next-working-day delivery to most of the UK* if you order by 3pm Monday to Friday (requires signature)
*excludes: Channel Islands, Herm Island, Isle of Man, Isle of Wight, Northern Irish postcodes BT18 & upwards, Sark, Scottish borders and offshore, and a small number of remote mainland destinations as determined by our delivery courier
UK delivery is free when you spend £100. The delivery discount is automatically applied at the checkout.
Once your parcel has been collected from our warehouse, we will send you a confirmation email to let you know that the parcel has been dispatched. For any further delivery queries, please call us on 01264 363 193 or email [email protected].
Orders placed before 3pm will be dispatched on the same working day.
Orders placed after this time will be dispatched the following working day.
Standard: £1.75 - please allow 4-7 days for delivery
First Class: £2.50 - please allow 1-3 days for delivery
Delivery within the United Kingdom and Northern Ireland has a fixed price, regardless of the size and weight of your order. Delivery times are estimates and not guaranteed unless otherwise stated.
We deliver to more than 50 countries and offer free delivery on orders over £100. The delivery discount is automatically applied at the checkout. Please see International Delivery Coverage below to find out if we deliver to your country.
Most international delivery prices are dependent on the size and weight of your order and where it is being sent. You'll be shown the final price of shipping in the checkout, before payment, once we have your address and order details. The main exception to this is delivery to EU countries using our International Express Courier service. This has a fixed delivery cost for each country, regardless of the size of your order.
International Standard: From £9.54 - Please allow 3-7 days for delivery within Europe and 5-12 days to all other destinations. Does not include order tracking.
International Signed: From £10.44 - please allow 3-7 days for delivery within Europe and 5-12 days to all other destinations. Includes delivery confirmation. Requires signature upon delivery.
International Tracked & Signed: From £10.44 - please allow 3-7 days for delivery within Europe and 5-12 days to all other destinations. Includes full tracking and delivery confirmation. Requires signature upon delivery.
International Express Courier: From £11.06 - delivers to USA and most other countries in 2-7 days. Includes full tracking and delivery confirmation. Requires signature. See our International Delivery Coverage for the delivery time to your country. Orders must be placed by 11am for same-day dispatch.