Smart Supplement
Smart Supplement
Fuel for better living
Smart Probiotic
Smart Probiotic
Support for your microbiome
Bundle – Save 14%
Bundle – Save 14%
For your body and mind, combined
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Is your probiotic a placebo?

You can't always trust your gut. But you can trust the numbers.

So does the evidence add up?

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The results

Proven to deliver

The Smart Probiotic delivered 50x more bacteria alive and active to the colon when compared to a leading liquid probiotic, a leading greens powder, and a probiotic with a standard capsule when tested under industry-standard fasted conditions.
50x more effective
Third-party tested
Acid-resistant strains
Delayed-release capsule

Smart Probiotic

4.6/5 based on 418 reviews

Our high-impact formula, with 20bn CFUs of seven clinically studied strains, is the world’s first probiotic to support gut, brain, and immune health in one daily capsule.

1 per day
30 day supply
Improves digestion*
Reduces bloating*
Balances mood*
Free shipping in US/CA ∙ Pause & cancel any time
30-day money-back
Third-party tested
No need to refrigerate
Gluten free

Can you trust your probiotic?

Results from third party testing provider, ProDigest, shows that a leading greens powder, a leading liquid probiotic, and a probiotic with a standard capsule all delivered less than 1% of their bacteria to the gut, alive and active.

With the Smart Probiotic, that number is over 50 times higher. So don't sell yourself short.

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3 reasons you’ll love it

It’s rooted in science.

Our formula, made up of seven strains in optimal amounts, is informed by 380+ studies.

It’s third-party tested.

We partner with internationally renowned labs to test survivability and efficacy.

It's made and trusted by experts.

It's developed by leading scientists and dietitians, and loved by health professionals.

The benefits

Live bacteria that go further.

SPB — Benefits
Microbial diversity

A third-party human (in vivo) study showed that our active bacteria increases microbial diversity in the colon, balancing the gut microbiome.

Immune health

Our probiotic blend includes zinc, which contributes to the protection of cells from oxidative stress and the normal function of the immune system.

Skin, hair, and nails

The zinc in the Smart Probiotic contributes to the maintenance of normal hair, skin, and nails.

One capsule a day

All seven strains, along with zinc, are in every capsule.

At any time

We generally suggest taking it in the morning, but find a time that fits your schedule.

With or without food

No need to take anything else alongside your Smart Probiotic, unless you want to.

No need to refrigerate

Keep it in a cool, dark place.

World's most studied strains. Fact.

Designed by neuroscientists, dietitians, and gut experts over two years, the Smart Probiotic represents an unmatched commitment to research.

Our strains are backed by over 380 clinical studies, and we’re continuously investing in third-party testing so you can trust what you’re putting in your body is proven to work.

Sophie – Experts
Sophie Medlin, RD
Head of Nutritional Research
Sophie Medlin, RD
Head of Nutritional Research
Consultant dietitian, chair of British Dietetic Association for London, founder of City Dietitians, spokesperson for evidence-based nutrition, and lecturer at King's College London.
Tara – Experts
Dr Tara Swart, PhD
Chief Science Officer
Dr Tara Swart, PhD
Chief Science Officer
Neuroscientist, medical doctor, leadership advisor, and MIT lecturer with a PhD in neuropharmacology.
SPB – Pill exploding

Designed to survive

Our delayed-release technology ensures that our capsules degrade 9x slower compared to standard capsules, increasing bacteria survivability.

We also use short supply chains and oxygen-scavenging packaging to guarantee that each capsule contains at least 20bn live and active bacteria.

We're here to help

Frequently asked questions

We’ve got the answers.

Find more answers on our FAQ page

This is the 50x effect

"Nothing has really alleviated the problems I've had apart from, for the first time, Heights."
Aidan B.
“With a delayed release capsule and acid resistant strains ensuring the live bacteria make it to your gut.”
“I’ve been taking this for the last few weeks and I have been loving it!”