Taking too many probiotics or 'overdosing' on good bacteria is an extremely difficult thing to do.

The human gut is home to roughly 100 trillion bacteria, whereas supplements in the OptiBac Probiotics range contain between 1.2 to 50 billion microorganisms per dose (depending on the product). Most other supplements on the UK market contain similar amounts or fewer. Yoghurt drinks typically contain 6 to 10 billion bacteria.

The OptiBac Probiotics range is all natural and there is absolutely no harm in taking probiotics in the long term, and there is generally no harm in increasing one's dose of a probiotic supplement if you feel the need. It's worth bearing in mind that a very large amount of Saccharomyces boulardii probiotic could possibly lead to temporary constipation in some cases; we advise customers take a maximum of 6 capsules of Saccharomyces boulardii a day (30 billion microorganisms).

Overdosing on prebiotics

Taking a large amount of prebiotics (the food source for probiotics) may at first result in bloating or flatulence. This is a positive sign that the prebiotics are working; however if symptoms persist for longer than a few days then consider reducing one's dose of prebiotics and gradually building it up again.

For more information, you may like to read the following FAQ's:

Can I take 2 products at the same time?

Is there a risk of addiction/dependency with probiotics?

Note: Probiotics 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, 'For travelling abroad', or natural plant extracts as in 'For daily immunity'. To read more about the contraindications, you may wish to read 'When should I not take probiotics?'