Histamine just got a whole lot easier to manage.

Whether you're just starting out or know what you need, Tolerance is here for you. At-home genetic testing, access to dietary experts, food and recipe advice and DAO enzyme supplements.

UK owned
EU sourced and made
Partnered with histamine experts
4.9 AVERAGE RATING

WHAT IS HISTAMINE

Everything you need to know.

Histamine is a chemical your immune system releases, also found in certain food and drink.

Some people have a hard time breaking it down when it's ingested. As a result, it can build up and can cause our body's 'histamine bucket' to fill up.

If our bodies can't break it down quickly enough, the bucket can overflow and can cause a histamine intolerance.

Meat, fish, wine and cheese are some of the most common high histamine foods and drink.

The Histamine Hub →

DAO ENZYME SUPPLEMENTS

Aperitif. Taken 15-20 minutes before food.

Delayed-release capsules designed to supplement your natural diamine oxidase, the enzyme that clears dietary histamine from your gut. Taken before food.

48,000 HDU per capsule
30 - 60 Capsules per jar / pouch
15-20 min Before eating
Shop Aperitif →

GENETIC TESTING

Understand your nutritional genetic wiring.

We've partnered with the UK's gold standard in nutrigenomics. Understand how your body responds to histamine, food, clears toxins, and processes nutrients.

Up to 33 genes
30 min call Nutrigenomics expert
Personalised Report Practitioner Grade
Explore the tests →

Trusted by experts

The histamine experts

Headshot of dietitian Chloe Hall
Chloe HallThe Calm Gut Dietitian
Headshot of dietitian Nichola Williams
Nichola WilliamsThe Dietary Edit
Image of dietitians Catherine Nash and Rosie Hogg preparing food in a kitchen
Catherine Nash & Rosie HoggOxford Gastro Dietitians

Why we built Tolerance

End-to-end support for food intolerances.

We wanted information and support as we navigated our own digestive issues, and we found that there wasn't one single place where we could get all the information we wanted or needed. So we built it.

Read our full story at the link below.

Read our story →

For practitioners

Building a community of histamine experts.

If you work with clients on histamine intolerance and want to partner with us or join our directory, get in touch. We're building a network of registered, independent practitioners we can refer people to with confidence.

Our histamine journal, read by thousands of people like you.

Take 10% off your first supplement purchase when you subscribe.

Welcome to Tolerance. Please check your inbox for your 10% discount.