---
product_id: 554497289
title: "Four Leaf Rover Harmony - Quercetin for Dogs, Seasonal Allergy Support"
brand: "four leaf rover"
price: "¥9782"
currency: JPY
in_stock: true
category: "Four Leaf Rover"
url: https://www.desertcart.jp/products/554497289-four-leaf-rover-harmony-quercetin-for-dogs-seasonal-allergy-support
store_origin: JP
region: Japan
---

# Liposomal Quercetin for allergy relief Vet-formulated for safe dog use Organic Broccoli Sprouts for liver detox Four Leaf Rover Harmony - Quercetin for Dogs, Seasonal Allergy Support

**Brand:** four leaf rover
**Price:** ¥9782
**Availability:** ✅ In Stock

## Summary

> 🐾 Elevate your dog’s seasonal defense with vet-grade, natural harmony!

## Quick Answers

- **What is this?** Four Leaf Rover Harmony - Quercetin for Dogs, Seasonal Allergy Support by four leaf rover
- **How much does it cost?** ¥9782 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/554497289-four-leaf-rover-harmony-quercetin-for-dogs-seasonal-allergy-support)

## Best For

- four leaf rover enthusiasts

## Why This Product

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

## Key Features

- • **Detox Like a Pro:** Organic broccoli sprouts and spirulina support your dog's natural toxin cleanse.
- • **Vet-Backed Formula:** Created by holistic vets ensuring premium safety and efficacy for your furry friend.
- • **Thyroid Wellness Boost:** Irish moss promotes healthy thyroid function and heavy metal detox.
- • **Allergy Defense Mastery:** Harnesses liposomal quercetin & L-theanine to calm histamine-triggered itchiness.
- • **Proudly Made in the USA:** Crafted in a NASC & GMP certified Texas facility for unmatched quality assurance.

## Overview

Four Leaf Rover Harmony is a premium, vet-formulated powder supplement designed to support dogs' seasonal allergy relief by regulating histamine response with liposomal quercetin and L-theanine. It enhances natural detoxification through organic broccoli sprouts and spirulina, while promoting healthy thyroid function with Irish moss. Made in a GMP-certified US facility, this gluten-free formula ensures safe, effective immune support for dogs of all sizes.

## Description

desertcart.com : Four Leaf Rover Harmony - Quercetin for Dogs, Seasonal Allergy Support | Liposomal quercetin, L-theanine, Chinese skullcap, broccoli sprouts and spirulina. Supports a normal histamine response. : Pet Supplies

## Features

- SUPPORTS A NORMAL HISTAMINE RESPONSE: Itchy skin is caused by histamine release. Harmony contains L-theanine, liposomal quercetin and Chinese skullcap to help regulate the mast cells and histamine release.
- SUPPORTS NORMAL DETOXIFICATION: Organic broccoli sprouts initiate Phase II liver detoxification and spirulina helps detoxify the skin from everyday toxins.
- SUPPORTS HEALTHY THYROID FUNCTION: Organic Irish moss supports healthy thyroid function and helps detoxify from heavy metals.
- VETERINARIAN FORMULATED: Formulated by a holistic veterinarian for maximum safety and benefit.
- MADE IN THE USA: All Four Leaf Rover products are proudly made in our NASC and GMP compliant manufacturing plant in Texas.
- SATISFACTION GUARANTEED: If you're not thrilled with the premium quality of Four Leaf Rover Harmony, we'll refund your purchase. No hassles. No questions. Guaranteed.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CBG373Q5 |
| ASIN  | B0CBG373Q5 |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #16,188 in Pet Supplies ( See Top 100 in Pet Supplies ) #92 in Dog Herbal Supplements |
| Brand Name | FOUR LEAF ROVER |
| Customer Reviews | 4.0 4.0 out of 5 stars (197) |
| Date First Available  | December 17, 2021 |
| Dog Breed Size | Large, Medium, Small |
| Item Form | Powder |
| Item Type Name | Harmony |
| Item Weight | 51 g |
| Item model number  | FourLeafRover_Harmony_SL |
| Manufacturer | Four Leaf Rover |
| Manufacturer  | Four Leaf Rover |
| Manufacturer Part Number | FourLeafRover_Harmony_SL |
| Model Number | FourLeafRover_Harmony_SL |
| Pet Type | Dog |
| Product Benefits | Immune Support |
| Target Species | Dog |
| UPC | 628504393338 |
| Unit Count | 1 Count |

## Product Details

- **Allergen Information:** Gluten Free
- **Brand:** FOUR LEAF ROVER
- **Item Form:** Powder
- **Item Weight:** 51 g
- **Product Benefits:** Immune Support

## Images

![Four Leaf Rover Harmony - Quercetin for Dogs, Seasonal Allergy Support - Image 1](https://m.media-amazon.com/images/I/71c17SxeUsL.jpg)

## Questions & Answers

**Q: According to the description, this is beef flavored but beef isn't listed as an ingredient, so what is the full list of ingredients?**
A: I’m not seeing beef flavor listed anywhere, this is a natural product no flavoring. But the ingredients are listed in the second photo:
Active Ingredients per 1 tsp (2.19 g):
Organic broccoli sprouts 
Spirulina
L-Theanine250 mg Organic nettle
Organic marshmallow root
Quercetin
Bromelain
Organic Chinese skullcap
Organic cat's claw
Organic Irish moss
Inactive Ingredients: None

## Frequently Bought Together

- Harmony - Skin & Coat Supplement with Quercetin for Dogs - Balanced Histamine Support for Seasonal and Environmental Allergies - Veterinarian Formulated
- Four Leaf Rover Protect - Probiotics for Dogs - Veterinarian Formulated - with Natural Prebiotics and Antioxidants - Detoxification & Gut Health - 30 Day Large Dog Supply
- FOUR LEAF ROVER Yeast Guard for Dog Yeast - Veterinarian Formulated - Supports Healthy Skin, Ears & Paws - 100% Natural with Organic Herbs - 30 Day Medium Dog Supply

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**Shop now:** [https://www.desertcart.jp/products/554497289-four-leaf-rover-harmony-quercetin-for-dogs-seasonal-allergy-support](https://www.desertcart.jp/products/554497289-four-leaf-rover-harmony-quercetin-for-dogs-seasonal-allergy-support)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-17*