---
product_id: 536895931
title: "HistaQuel Histamine Support, 120 Capsules | Histamine & Mast Cell Support, Stinging Nettle, Black Cumin Seed Oil, Clinically Researched Flavonoid & Herbal Formula"
brand: "researched nutritionals"
price: "¥24349"
currency: JPY
in_stock: true
reviews_count: 8
category: "Researched Nutritionals"
url: https://www.desertcart.jp/products/536895931-histaquel-histamine-support-120-capsules-histamine-and-mast-cell-support
store_origin: JP
region: Japan
---

# Herbal histamine blocker complex 120 vegetarian, non-GMO capsules Clinically researched flavonoids HistaQuel Histamine Support, 120 Capsules | Histamine & Mast Cell Support, Stinging Nettle, Black Cumin Seed Oil, Clinically Researched Flavonoid & Herbal Formula

**Brand:** researched nutritionals
**Price:** ¥24349
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock your body's natural allergy shield with HistaQuel!

## Quick Answers

- **What is this?** HistaQuel Histamine Support, 120 Capsules | Histamine & Mast Cell Support, Stinging Nettle, Black Cumin Seed Oil, Clinically Researched Flavonoid & Herbal Formula by researched nutritionals
- **How much does it cost?** ¥24349 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/536895931-histaquel-histamine-support-120-capsules-histamine-and-mast-cell-support)

## Best For

- researched nutritionals enthusiasts

## Why This Product

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

## Key Features

- • **20x Enhanced Absorption:** Quercetin phytosome delivers flavonoids with 20 times greater bioavailability than standard formulas.
- • **Natural Allergy Defense:** Black cumin seed and stinging nettle leaf competitively inhibit histamine receptors to reduce allergic reactions.
- • **Clean & Conscious Formula:** Vegetarian, non-GMO, and free from common allergens—crafted for mindful wellness.
- • **Next-Level Immune Harmony:** Dual proprietary complexes target mast cells and histamine for systemic support.
- • **Trusted by Experts & Users:** Clinically researched ingredients with 4.7-star rating and doctor-recommended natural antihistamine benefits.

## Overview

Researched Nutritionals HistaQuel is a premium histamine and mast cell support supplement featuring two proprietary complexes with clinically researched flavonoids and herbal extracts. Designed for adults seeking natural, non-drowsy allergy relief, it offers 120 vegetarian, non-GMO capsules that promote healthy histamine response and immune balance. Trusted by users and healthcare professionals alike, HistaQuel combines advanced absorption technology with clean, allergen-free ingredients to support your body's defense against environmental allergens.

## Description

Buy Researched Nutritionals HistaQuel Histamine Support, 120 Capsules | Histamine & Mast Cell Support, Stinging Nettle, Black Cumin Seed Oil, Clinically Researched Flavonoid & Herbal Formula on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Histamine reducers. - Works great on getting histamine levels down. Would recommend.
Review: Natural antihistamine works well! - Amazing results! I have struggled with environmental allergies, especially because where I live always has something sprouting. I asked my doctor for a natural product, non-pharmaceutical, to help. He called this product a natural product Zyrtec. I take two before breakfast and have all day relief - no itchy eyes or ears, no stuffy nose. Also no drowsiness. Totally worth the price!

## Features

- Healthy Mast Cell and Histamine Support - HistaQuel provides a multi-faceted, systemic approach to immune support. It uses two proprietary complexes, and is designed to help support healthy mast cell function and histamine response.*
- What Is A Mast Cell? - Mast cells help generate and release histamine. HistaQuel's Mast Cell Secure Complex uses clinically researched ingredients like quercetin phytosome and fisetin supplements to promote healthy histamine production and absorption.*
- Herbal Histamine Blocker Complex - The HistaCheck complex uses black cumin seed extract and stinging nettle leaf to block histamine receptors (via competitive inhibition) and support your immune system's response to allergens.*
- Six Clinically Researched Flavonoids & Herbs - Histaquel uses flavonoids supplements from herbs like black cumin seeds. The quercetin supplements in this formula have also demonstrated 20 times increased absorption compared to standard Quercetin (in published research).*
- Vegetarian and Non-GMO - This mast cell and histamine supplement is manufactured without milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soy, or gluten. Produced in a facility that may process other ingredients containing these allergens.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C2WKSJ8P |
| Age Range Description | Adult |
| Best Sellers Rank | #34,196 in Health & Household ( See Top 100 in Health & Household ) #19 in Nettle Herbal Supplements |
| Brand | Researched Nutritionals |
| Brand Name | Researched Nutritionals |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 133 Reviews |
| Diet Type | Vegetarian |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Global Trade Identification Number | 00893295002596 |
| Item Dimensions | 2.5 x 2.5 x 4.5 inches |
| Item Form | Capsule |
| Item Weight | 4 ounces |
| Manufacturer | Researched Nutritionals |
| Manufacturer Part Number | RN167 |
| Material Features | GMO Free |
| Material Type Free | GMO Free |
| Model Number | RN167 |
| Number of Items | 1 |
| Primary Supplement Type | Mast Cell Support Capsules |
| Product Benefits | Mast Cell Support |
| Special Ingredients | Mast Cell Secure Complex, HistaCheck Complex |
| Total Servings Per Container | 120 |
| UPC | 893295002596 |
| Unit Count | 120 Count |

## Product Details

- **Brand:** Researched Nutritionals
- **Diet Type:** Vegetarian
- **Flavor:** Unflavored
- **Item Form:** Capsule
- **Item Weight:** 4 ounces
- **Item dimensions L x W x H:** 2.5 x 2.5 x 4.5 inches
- **Primary Supplement Type:** Mast Cell Support Capsules
- **Product Benefits:** Mast Cell Support
- **Special Ingredients:** Mast Cell Secure Complex, HistaCheck Complex
- **Unit Count:** 120 Count

## Images

![HistaQuel Histamine Support, 120 Capsules | Histamine & Mast Cell Support, Stinging Nettle, Black Cumin Seed Oil, Clinically Researched Flavonoid & Herbal Formula - Image 1](https://m.media-amazon.com/images/I/710NGJ47A-L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Histamine reducers.
*by K***Z on August 14, 2026*

Works great on getting histamine levels down. Would recommend.

### ⭐⭐⭐⭐⭐ Natural antihistamine works well!
*by J***L on July 16, 2026*

Amazing results! I have struggled with environmental allergies, especially because where I live always has something sprouting. I asked my doctor for a natural product, non-pharmaceutical, to help. He called this product a natural product Zyrtec. I take two before breakfast and have all day relief - no itchy eyes or ears, no stuffy nose. Also no drowsiness. Totally worth the price!

### ⭐⭐⭐⭐⭐ This actually works!
*by J***. on April 14, 2026*

I have purchased many other items to no avail. I was desperate, hives and uticaria with red and puffy eyelids, lips and intense whole body itching from pollen. I have EDS and mast cell issues. No allergy meds. work for treatment of mast cells. This was pricey but I read through the reviews and bought it. After a month and a half of absolute misery with nothing that helped at all, I have finally found relief. I would have paid double. This formula actually works and if you're really suffering, it is well worth the price.

## Frequently Bought Together

- Researched Nutritionals Flavanoids Supplements & Herbs for Immune Support - HistaQuel - with Stinging Nettle Leaf & Black Seed Oil to Promote a Healthy Histamine Response (120 Capsules)
- Researched Nutritionals ATP 360 Mitochondrial Supplements - ATP Supplements with Coq 10 & Vitamins for Energy Support - Help Repair Mitochondrial Membranes (90 Capsules)
- Researched Nutritionals CytoQuel with N-Acetyl Cysteine, Herbal Supplements & Turmeric Extract - Promote Healthy Cytokine Function for Immune Support, Sleep & Physical Comfort (90 Capsules)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-28*