Ordered before 23:00, shipped the same day and delivered within 2-5 business days!
Free shipping over $10
Free shipping over $10
We ship our products throughout the US free of charge for orders of $10 or more. Below $10 we charge $5.50.
100-day satisfaction guarantee
100-day satisfaction guarantee
The 100-day satisfaction guarantee ensures you can test our products without any worry. For many people, our products provide a solution. Have you tried a product and it doesn’t work for you? Then you get your money back.
Helps to reduce gas and bloating associated with sugar AND starchy foods*
Starch and sucrose are primarily found in grains, potatoes, fruit and processed foods like cookies and sauces
Easy to take capsule – no need to dissolve in water!
Fast-acting enzyme formula
Quatrase 10,000 (Forte)
36 Capsules
Special enzyme formula designed for multiple food intolerance
Reduces occasional gas, bloating & indigestion*
FODMAPs are primarily found in dairy, fruit, vegetables, wheat, soy and legumes
Reduce digestive issues without a restrictive diet!*
Starchway
150 Capsules
Helps to reduce gas and bloating associated with sugar AND starchy foods*
Starch and sucrose are primarily found in grains, potatoes, fruit and processed foods like cookies and sauces
Easy to take capsule – no need to dissolve in water!
Fast-acting enzyme formula
Fructase
36 Capsules
Enjoy your fruits, sweets, and sugary drinks again!
Reduces occasional gas, bloating & indigestion associated with fructose*
Fructose (fruit sugar) is primarily found in fruits, fruit juice, vegetables, sweets and honey
Fast-acting enzyme formula
Lactase 20,000
50 Scored Tablets
Helps reduce gas and bloating associated with digesting dairy*
Highest dosed Lactase tablet for lactose intolerance
Lactose (milk sugar) is primarily found in milk, cheese and other dairy products
Low FODMAP-certified, vegan, dairy, gluten and soy free
Fibractase 1200 (Forte)
36 Capsules
Enjoy beans, veggies and grains again and reduce gas & bloating!*
Helps with the digestion of complex carbohydrates*
Complex carbohydrates are primarily found in onions, garlic, wheat, soy and legumes
Fast-acting enzyme formula
Once a Day
30 Capsules
Helps reduce gas and bloating associated with digesting dairy*
Contains probiotics that actively produce the lactase enzyme in the gut*
One capsule a day for 24/7 relief!
Lactose (milk sugar) is primarily found in milk, cheese and other dairy products
DAO Mini
Dispenser 60 Tablets
Contains the pure DAO enzyme
Supports healthy degradation of food-derived histamine*
Histamine is primarily found in foods like sauerkraut, yogurt, meats, aged cheese and red wine
Histamine block supplement
our best-selling product
Intoleran quatrase 10,000 helps with the digestion of dairy products, carbohydrates, fruit sugar and starches. Quatrase forte is an enzyme mix to support healthy digestion and prevent occasional gas and bloating.
Special enzyme formula designed for multiple food intolerance
Reduces occasional gas, bloating & indigestion*
FODMAPs are primarily found in dairy, fruit, vegetables, wheat, soy and legumes
Reduce digestive issues without a restrictive diet!*
Intoleran offers a wide range of supplements for food intolerances. Do you have any questions about the best product to choose? Read our frequently asked questions here. Would you like personal answers to your questions? If so, feel free to contact us
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