---
product_id: 643092580
title: "FIQ Formula IQ - Histamine IQ - Diamine Oxidase (DAO) Enzyme Supplement - DAO Histamine Blocker - Immune Support - 60 Capsules"
brand: "fiq"
price: "$74.84"
currency: USD
in_stock: true
reviews_count: 8
category: "Fiq"
url: https://www.desertcart.us/products/643092580-fiq-formula-iq-histamine-iq-diamine-oxidase-dao-enzyme-supplement
store_origin: US
region: United States of America
---

# Natural antihistamines with Holy Basil & Bromelain 60 capsules of potent DAO enzyme Supports balanced immune & mast cell function FIQ Formula IQ - Histamine IQ - Diamine Oxidase (DAO) Enzyme Supplement - DAO Histamine Blocker - Immune Support - 60 Capsules

**Brand:** fiq
**Price:** $74.84
**Availability:** ✅ In Stock

## Summary

> 🛡️ Take control of histamine—because your immune system deserves the VIP treatment!

## Quick Answers

- **What is this?** FIQ Formula IQ - Histamine IQ - Diamine Oxidase (DAO) Enzyme Supplement - DAO Histamine Blocker - Immune Support - 60 Capsules by fiq
- **How much does it cost?** $74.84 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/643092580-fiq-formula-iq-histamine-iq-diamine-oxidase-dao-enzyme-supplement)

## Best For

- fiq enthusiasts

## Why This Product

- Trusted fiq brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Mast Cell Mastery:** Ursolic acid helps prevent excessive histamine release, keeping allergic reactions in check.
- • **Triple-Action Formula:** Combines DAO, Quercetin, and Nettle to inhibit histamine production and support relief.
- • **Natural Immune Harmony:** Holy Basil and Bromelain promote balanced histamine receptor activity for overall immune calm.
- • **Effortless Daily Support:** Easy-to-swallow vegetable capsules designed for convenient, consistent immune care.
- • **Precision Histamine Metabolism:** Harnesses Diamine Oxidase (DAO) to efficiently break down histamine and reduce intolerance symptoms.

## Overview

FIQ Formula IQ Histamine IQ is a natural enzyme supplement featuring 60 vegetable capsules formulated with Diamine Oxidase (DAO), ursolic acid, Quercetin, Nettle, Holy Basil, and Bromelain. Designed to enhance histamine metabolism, regulate mast cell function, and promote balanced immune responses, it offers targeted support for histamine intolerance and allergy relief in adults.

## Description

Buy FIQ Formula IQ - Histamine IQ - Diamine Oxidase (DAO) Enzyme Supplement - DAO Histamine Blocker - Immune Support - 60 Capsules on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Great buy - Recommended by a friend for ongoing allergies, and it’s been a game changer. I’ve been using it for several months now, and it definitely seems to be helping.
Review: It works. - Reduces my allergic symptoms.

## Features

- Enhances Histamine Metabolism: A natural d-hist solution, Histamine IQ’s unique formula supports the body’s ability to efficiently process and break down histamine
- Supports Health Mast Cell Function: With the inclusion of ursolic acid, this histamine blocker prevents mast cells from releasing excessive amounts of histamine, maintaining optimal cell function and preventing unwanted allergic reactions
- Reduces Actions of Histamine: Formulated with Diamine Oxidase (DAO) from porcine kidneys, Quercetin, and Nettle to support histamine breakdown, inhibit its production, and help manage symptoms associated with histamine intolerance for overall relief
- Promotes Balanced Cellular Immune Response: Natural antihistamine made with Holy Basil and Bromelain to regulate histamine receptors, promote a balanced immune response, and reduce irritable actions across various systems
- Easy Intake: Our easy-to-swallow vegetable capsules make it easier than ever to combat histamine intolerance; take two capsules daily, or as directed by your healthcare professional

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D5RM1R3R |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #110,389 in Health & Household ( See Top 100 in Health & Household ) #491 in Multi-Enzyme Nutritional Supplements |
| Brand | FIQ |
| Brand Name | FIQ |
| Container Type | Bottle |
| Customer Reviews | 4.4 out of 5 stars 49 Reviews |
| Dosage Form | Capsule |
| Item Dimensions | 3 x 3 x 5 inches |
| Item Form | Capsule |
| Item dimensions L x W x H | 3 x 3 x 5 inches |
| Manufacturer | Formula IQ |
| Material Features | Natural |
| Number of Items | 1 |
| Product Benefits | Immune Support |
| Unit Count | 60 Count |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** FIQ
- **Dosage Form:** Capsule
- **Item Form:** Capsule
- **Item dimensions L x W x H:** 3 x 3 x 5 inches
- **Material Feature:** Natural
- **Number of Items:** 1
- **Package Information:** Bottle
- **Product Benefits:** Immune Support
- **Unit Count:** 60 Count

## Images

![FIQ Formula IQ - Histamine IQ - Diamine Oxidase (DAO) Enzyme Supplement - DAO Histamine Blocker - Immune Support - 60 Capsules - Image 1](https://m.media-amazon.com/images/I/71SB6o8I1QL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great buy
*by M***T on July 3, 2025*

Recommended by a friend for ongoing allergies, and it’s been a game changer. I’ve been using it for several months now, and it definitely seems to be helping.

### ⭐⭐⭐⭐⭐ It works.
*by B***A on August 30, 2025*

Reduces my allergic symptoms.

### ⭐⭐⭐ It works.........except
*by W***F on February 14, 2025*

I loved this until I didn't. I love that you just take once a day. I love all the ingredients except the stinging nettle. That had my skin stinging. Lol. A weird feeling. I truly wish they would make this without the stinging nettle.

## Frequently Bought Together

- FIQ - Histamine IQ - Diamine Oxidase Supplement - DAO Supplements Histamine Blocker - Histamine & Immune Support - 60 Capsules
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-23*