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OptiBac Probiotics


Suitable for Vegans

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Optibac Probiotics For Every Day Extra Strength 30 is a natural probiotic for anyone seeking to rebalance their intestinal bacteria with a high-strength, high-quality probiotic. It contains some of the world’s most extensively researched and best-documented probiotic strains. As well as boasting excellent shelf stability, each strain has been tested for strong survival in the gastrointestinal tract - against gastric acid & bile salts, as well as for pepsin & pancreatin resistance.

Further studies demonstrate very good adherence to epithelial cells; which exhibits their ability to bind to the gut wall lining. Finally, the probiotics are considered to have superior antimicrobial activity, particularly inhibiting the growth of pathogens such as Staphylococcus aureus, Escherichia coli & Candida albicans.  An advanced, high-strength daily supplement to complement your body's natural gut bacteria. Suitable for vegans, Every Day EXTRA contains Lactobacillus acidophilus NCFM®, the most researched acidophilus strain in the world.

Benefits of Optibac Probiotics For Every Day Extra Strength 30:

  • Antibiotics - For Every Day Extra Strength has been shown to quickly and effectively re-establish healthy intestinal bacteria in patients taking antibiotics.
  • IBS - studies indicate that L acidophilus NCFM has positive benefits. Probiotic supplementation improved bloating by 73%, abdominal pain/cramps by 62%, decreased diarrhoea by 62%, improved constipation by 54% and decreased alternating diarrhoea and constipation by 58%.
  • Allergies - a combination of probiotics including L acidophilus NCFM was shown to significantly reduce nasal symptoms.
  • Elderly - studies on healthy elderly subjects given L acidophilus NCFM had higher stool frequency and varied levels of immune markers.
  • Respiratory Health - specific probiotic strains reduced the incidence and duration of upper respiratory infection symptoms.
  • Suitable for Vegetarians.
  • Gluten and Dairy free.
  • Suitable for use during pregancy.

Each capsule provides 20 billion live micro-organisms guaranteed.

Directions: Every Day EXTRA can be given to adults and children, from 4 years onwards, with the following recommendations.  For best results take 1 capsule daily, preferably with breakfast.  If desired, or professionally directed, can be increased to 2 capsules a day.  Can be used on an ongoing basis.  For those unable to swallow capsules, the capsule can be opened and the contents mixed into cool food or drinks.  Do not exceed recommended daily dosage.  For best results, do not remove desiccant sachet from the glass jar and close lid firmly after each use.  Store in a cool, dry place below 25°C and out of direct sunlight. For maximum potency, can be refrigerated after opening.

Also available in the larger size.

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, 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.

Stabiliser: micro-crystalline cellulose; Live cultures: Lactobacillus acidophilus NCFM®, Lactobacillus paracasei Lpc-37®, Bifidobacterium lactis Bi-07®, Bifidobacterium lactis Bl-04®; vegetarian capsule: hydroxypropyl methylcellulose; anti-caking agents: vegetable magnesium stearate, silicon dioxide.

Each capsule guarantees 20 billion live cultures.

How do I choose the best friendly bacteria for adults?
Choose well-researched, shelf-stable friendly bacteria supplements, guaranteed to reach the gut alive and containing strains researched for your needs. Consider if you want a high strength supplement, or one with added fibre. Read customer reviews to help you decide. For example, Optibac Every Day EXTRA is a high-strength supplement without added FOS, so is a popular choice for adults with IBS (1).

(1)Gray Dip CNM, C. (2022). Which Probiotics are for IBS? | Probiotics Learning Lab. Retrieved 16 May 2022, from

How long should you take friendly bacteria for?
You can choose to take specific strains at certain times, for example during pregnancy, with and after antibiotics, or during the winter flu season. However, many people feel better when taking daily high-strength live cultures, to complement their natural gut bacteria. Research (1,2) suggests that ongoing daily use is fine, with no risk of dependency.

(1). Mimura, T. et al. (2004). 'Once daily high dose probiotic therapy (VSL#3) for maintaining remission in recurrent or refractory pouchitis'. Gut, 53(1): 108-114. (2). Jacobsen et al., (1999). 'Screening of probiotic activities of 47 strains of Lactobacillus spp. by in vitro techniques and evaluation of the colonisation ability of 5 selected strains in humans'. Applied and Environmental Microbiology; 65 (11): 4949-4956

Is it OK to take friendly bacteria every day?
Yes, it is safe, and often advisable, to take a daily high-strength friendly bacteria supplement. Good bacteria only colonise in the gut for a few weeks and research (1,2,3) suggests that taking regular digestive supplements helps to complement the gut microbiome.

(1). Mimura, T. et al. (2004). 'Once daily high dose probiotic therapy (VSL#3) for maintaining remission in recurrent or refractory pouchitis'. Gut, 53(1): 108-114 (2). Morelli L et al., (2004). 'Utilisation of the intestinal tract as a delivery system for urogenital probiotics'. Journal of Clinical Gastroenterology; 38(6): 107-110 (3). Jacobsen et al., (1999). 'Screening of probiotic activities of 47 strains of Lactobacillus spp. by in vitro techniques and evaluation of the colonisation ability of 5 selected strains in humans'. Applied and Environmental Microbiology; 65 (11): 4949-4956

Should you take live cultures on a full or empty stomach?
“What time should I take friendly bacteria supplements?” and “Should I take live cultures with or without food?” are common questions, especially when taking high strength live cultures. It’s best to take your friendly bacteria at breakfast time, as this is when stomach acidity is at its most neutral. Taking it with food further helps to buffer the acid and assist the passage of the live cultures into the gut. If you miss breakfast, just take with another meal or snack.

What strength of live cultures is best?
With live cultures, ‘more’ is not always ‘better’, though some people do better on high-strength friendly bacteria supplements. But it’s still important to choose high strength supplements with strains featured in multiple gold standard clinical trials, where the research is relevant to your needs. High strength supplements like Optibac Every Day EXTRA (1) contain the same number of billions used in supporting clinical trials - you don't want to pay for more than you need!

(1). Sanders ME, Klaenhammer TR. (2001) Invited review. The scientific basis of Lactobacillus acidophilus NCFM functionality as a probiotic. J Dairy Sci. 84(2):319-331. doi:10.3168/jds.S0022-0302(01)74481-5  

Food supplements should not be used as a substitute for a varied diet. Store in a cool, dry place away from direct sunlight. Keep out of reach of young children. Do not exceed the daily dose.  If pregnant, or breastfeeding, or if you are taking medication, or on medical care, consult your physician prior to use.  While we work to ensure that product information on our website is correct, on occasion manufacturers may alter their ingredient lists.  Actual product packaging and materials may contain more and/or different information than that shown on our website.  All information about the products on our website is provided for information purposes only. We recommend that you do not solely rely on the information presented on our website.  Please always read the labels, warnings, and directions provided with the product before using or consuming a product.  In the event of any safety concerns or for any other information about a product please carefully read any instructions provided on the label or packaging and contact the manufacturer.  Content on this site is not intended to substitute for advice given by medical practitioner, pharmacist, or other licensed health-care professional. Contact your health-care provider immediately if you suspect that you have a medical problem.  Information and statements about products are not intended to be used to diagnose, treat, cure, or prevent any disease or health condition.  The customer reviews are only moderated for offensive content – they should not be regarded as medical or health advice; no reliance should therefore be placed on them; and they are not endorsed by Victoria Health. If you have any health problems or questions regarding the suitability of any product please contact a health professional. Products are not medicinal unless otherwise stated. Victoria Health accepts no liability for inaccuracies or misstatements about products by manufacturers or other third parties. This does not affect your statutory rights.

Product Code: OPB0011