- Histamine Blocker – Our DAO enzyme supplement provides a potent histamine blocker by delivering diamine oxidase to help your body break down food-derived histamine, supporting comfortable digestion after meals.
- Gentle Digestive Support for Histamine Intolerance – Rimtuku DAO supplement is crafted to ease discomfort like bloating from histamine intolerance, helping your gut process histamine-rich foods more smoothly for better histamine digest.
- 8 in 1 High-Potent Formula: DAO Enzyme+ combines science and nature to support your body's natural histamine management, offering a straightforward solution for everyday wellness.
- Enhanced with Vitamin C for Optimal DAO Function – Contains Vitamin C to support the activity of the diamine oxidase enzyme, aiding nutrient absorption and making this DAO enzyme supplement a smart choice for daily immune and digestive health.
- Gluten-Free & Dairy-Free: Our dao enzyme supplements capsules are gluten-free and dairy-free. No contain wheat, eggs, tree nuts, peanuts, fish, or shellfish.


Mike Mateo –
Amazing Relief & Truly Works!
I’m really impressed with the DAO Supplements Histamine Blocker. Within a short time of using it, I noticed a real difference in my gut comfort and overall reaction to foods that would normally bother me. The blend of DAO enzyme, quercetin, Immortelle, and vitamin C feels powerful yet gentle. It’s easy to take, and I appreciate that it supports my system instead of just masking symptoms. If you deal with histamine issues or gut sensitivity, this is definitely worth trying. Highly recommend!
E –
Highly recommend
Game changer. Has multiple mast cell blocking ingredients. Used to supplement Cromolyn for digestive issues as well as joint pain. This DAO mix is very effective. It is a little expensive but so is the market. It improves my digestion and joint pain within about an hour.
Alive and well in Boulder –
Allergies reduced
These have helped calm down my general allergies. I’ve had zero seasonal hayfever this spring and with some research on eating low-histamine foods, this has been tremendously beneficial to me.
Jennifer –
This does help some.
This helps some with digestion and histamine issues but not as much as I had hoped. It does help is why I gave 4 stars. Worth a try if your issues are mild.
Shane –
So far so good.
Easy to swallow and no negative side effects.
Armin Rueda –
Ehh didn’t see a huge difference
Didn’t notice a huge difference
Piper –
It works
I have taken this for 3 weeks now, I will say it has helped a lot with a rash I always get after being bitten by mosquitoes.
Ragnald –
It works
Good value