
Anti-Hist
Anti-Hist blends quercetin, stinging nettle leaf, bromelain, and vitamin C to support the body's response to excess histamine — from seasonal allergies to the broader symptoms of histamine intolerance. It's formulated to target histamine release and mast cell activity at the root, not just mask symptoms.
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Loading dose: 2 capsules, 3 times daily for 7-10 days, or as recommended by a healthcare professional. Maintenance dose: 1-3 capsules per day. Keep container tightly closed and store at room temperature. Not recommended during pregnancy.
Ships via tracked courier within 5-7 business days. Flat-rate shipping is $9.99, free on orders over $250. We currently ship within the United States only.
Targets the root cause, not just the symptoms.
Dual-Action Formula
A blend of quercetin, bromelain, stinging nettle, and vitamin C formulated to support mast cell stability and the body's histamine response — not just block a receptor after the fact.
Made in the USA, cGMP Certified
Manufactured in an FDA-registered, cGMP-compliant US facility, so you can stand behind quality and consistency when recommending it to patients.
Third-Party Tested, Every Batch
Independent lab verification on potency and purity for every production run — full Certificate of Analysis viewable below.
See the third-party test results for yourself.
We send every batch of Anti-Hist to an independent lab for verification before it ships. Click the document to view the full report — potency and ingredient identity confirmed by a party with no stake in the result.
- Label claims verified against actual formulation
- Batch-specific results, not a one-time test
- Guaranteed quality in every bottle
How Anti-Hist compares to a conventional antihistamine.
Conventional antihistamines block a receptor after the fact. Anti-Hist is formulated to support the body's own histamine and mast cell response.
Anti-Hist may support those experiencing:
Histamine & Immune Response
Respiratory & Skin
Neurological & Energy
Digestive & Inflammatory
Real demand from real patients.
What customers are saying.
“I have been struggling and searching for 10 years to find relief! Finally, something that works!”
“This has been a life-changer for me. As someone who suffers from allergies, I've tried numerous products, but Anti-Hist stands out.”
“This product was the best aid for me as I leveled out and started healing from histamine intolerance. This will always be in my medicine cabinet.”
“It's truly a game-changer, allowing me to tolerate more foods with fewer negative reactions.”
“I spent years pulling together whatever histamine-safe products happened to exist across other brands. Unitee exists so you don't have to.”
Common questions before stocking Anti-Hist.
Conventional antihistamines block a histamine receptor after the fact. Anti-Hist combines quercetin, bromelain, stinging nettle, and vitamin C to support mast cell stability and the body's own histamine response — without the drowsiness often associated with pharmaceutical options.
Loading dose: 2 capsules, 3 times daily for 7-10 days, or as recommended by a healthcare professional. Maintenance dose: 1-3 capsules per day.
Yes — Anti-Hist is vegan and free from gluten, wheat, dairy, soy, yeast, sugar, starch, and artificial colors or flavors. It isn't recommended during pregnancy.
Yes, every batch is independently tested for potency and purity. The full Certificate of Analysis is viewable further up this page — just click it to zoom in.
Keep the container tightly closed and store at room temperature.


