Probiotics: how long before eating should you take them?

Probiotics: gut-friendly microorganisms

Probiotics are ‘friendly bacteria’ which are normally already present in the human body.

Taking probiotic supplements to boost your levels of beneficial microorganisms is a very effective way of helping to maintain balance in your gut microbiota and support your health in general (1).

But they need to arrive in your gut in the right condition to deliver these health benefits…

When should you take probiotics: morning or evening?

It’s a frequently-asked question: what time of day should you take probiotics? Morning or evening?

The truth is it doesn’t matter whether you take your probiotics in the morning or evening. What’s important is the viability of your supplement (2):

• If you take your probiotics during a period of extended fasting, there’s a risk they will be damaged by gastric juices. But if you take them with a light meal or snack, this will act as a buffer to that stomach acidity and help the probiotics colonize the gut;
• But don’t eat too much! Taking your probiotics with – or straight after - a heavy meal means they will remain too long in the stomach, blocked by food, and will also end up being damaged by stomach acidity.

For convenience, it’s easier to take your probiotics in the morning, 15-30 minutes before breakfast (but make it a light breakfast, not brunch). That way, your probiotics will retain their efficacy.

However, if you think you’ll forget to take them in the morning, or find they give you a few side-effects at first (such as gas) which are harder to cope with during the day, then you can carry on taking your probiotics in the evening. Just make sure you do so before a light dinner or with a light snack just before bed (when you’ve had a few hours to digest your dinner). You thus have a few different options.

Probiotics: how long before eating should you take them?

First and foremost, it’s important to follow any instructions on the probiotic label.

If there are no specific recommendations, it’s a good idea, as explained above, to take your probiotic in the 30 minutes before – or indeed with - a light meal or snack.

Probiotics: how long before you see any effects?

Generally speaking, probiotics are not one-off cures, so you shouldn’t expect to see an immediate effect in the hours following supplementation.

That’s why we talk about a course of probiotics: it’s more a long-term ‘treatment’ designed to rebalance the gut flora.

Thus it usually takes several weeks of supplementation, alongside an appropriate diet, to feel the first effects of probiotics.

A course of probiotics: how long should it last?

There’s still the question of how long a course of probiotics should last, and how many times a year to take them. Firstly, the period of probiotic supplementation depends on the reason you’re taking them:

• for digestive problems, diarrhea and IBS, research suggests 1-3 months is required to produce effects (3-5);
• for constipation, several studies point to 1 month as the optimal duration (6-7);
• for the immune system, the recommended period is the whole of autumn and winter, ie, 6 months of supplementation (8-10);
• if the issue is to do with mood, then 4-6 weeks is more appropriate (11-13);
• and for skin problems, supplementation should continue for 2-3 months;

Whatever the circumstances, it’s important to follow the recommendations for each probiotic formulation to optimize benefits.

Can you take probiotics all the time?

No. It’s better to take breaks from time to time, rather than continue supplementing with probiotics for long periods without interruption. This is for two main reasons:

• Firstly, the purpose of probiotic supplementation is to contribute to the balance of your gut microbiota, not replace it. Probiotics should only be used as an occasional boost. It’s important to take a break of a few weeks to a few months at the end of a course of probiotics to allow your gut microbiota to re-form by itself;
• Secondly, the problems mentioned above can be caused by dysbiosis – an imbalance in the microbiota. Some experts believe that if you supplement continuously with the same microbiotic formulation, containing the same strains, all year round, you risk creating a new imbalance. So not only should you take a break after a course of probiotics, but you should also try changing strains from time to time.

And if your problems persist after taking one or more courses of probiotics, be sure to consult your doctor.

Some examples of effective probiotics

To end, here are 4 examples of effective probiotic supplements and formulations:

• Probio Forte: this formulation contains 5 different species (Bifidobacterium lactis, Lactobacillus acidophilus, casei and plantarum and Lactococcus lactis), all of which are naturally present in our gut microbiota;
• Bacillus subtilis: highly resistant to extreme conditions, this bacterium has been studied for its potential effects on the immune system ;
• Lactobacillus reuteri: also naturally present in our gut flora, this essential strain has been studied to cardiovascular health. It’s thought to produce an enzyme that can reduce cholesterol absorption in the gut and regulate its metabolism;
• Full Spectrum Probiotic Formula: as its name suggests, this is a particularly comprehensive formulation containing 20 different strains of microorganism, delivering a powerful 36 billion CFU a day. This diversity makes Full Spectrum Probiotic Formula the perfect choice for gaining maximum benefit from probiotics’ effects on the gut microbiota.

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Bacillus Subtilis

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