---
product_id: 2371821
title: "LES Labs Sinus & Seasonal – Sinus Relief, Nasal Health, Balanced Histamine Response, Clear Lungs & Respiratory Health – Butterbur, Quercetin, Nettle Root & Bromelain – Non-GMO Supplement – 60 Capsules"
brand: "les labs"
price: "€ 71.10"
currency: EUR
in_stock: true
category: "Les Labs"
url: https://www.desertcart.hr/products/2371821-les-labs-sinus-and-seasonal-sinus-relief-nasal-health-balanced
store_origin: HR
region: Croatia
---

# 4 potent natural extracts Supports clear lung & respiratory function Balanced histamine & immune response LES Labs Sinus & Seasonal – Sinus Relief, Nasal Health, Balanced Histamine Response, Clear Lungs & Respiratory Health – Butterbur, Quercetin, Nettle Root & Bromelain – Non-GMO Supplement – 60 Capsules

**Brand:** les labs
**Price:** € 71.10
**Availability:** ✅ In Stock

## Summary

> 🌬️ Clear sinuses, clear mind — breathe better, live better!

## Quick Answers

- **What is this?** LES Labs Sinus & Seasonal – Sinus Relief, Nasal Health, Balanced Histamine Response, Clear Lungs & Respiratory Health – Butterbur, Quercetin, Nettle Root & Bromelain – Non-GMO Supplement – 60 Capsules by les labs
- **How much does it cost?** € 71.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/2371821-les-labs-sinus-and-seasonal-sinus-relief-nasal-health-balanced)

## Best For

- les labs enthusiasts

## Why This Product

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

## Key Features

- • **Quality You Can Trust:** Non-GMO, gluten-free, USA-made with premium global ingredients for your peace of mind.
- • **Immune Balance, Elevated:** Quercetin promotes a balanced immune response to keep you resilient all season.
- • **Breathe Freely, Live Fully:** Supports lung and respiratory health for enhanced daily vitality.
- • **Sinus Relief Without the Fog:** Experience clear breathing minus drowsiness with a drug-free, natural formula.
- • **Seasonal Comfort Powered by Nature:** Harness the synergy of butterbur, quercetin, nettle root, and bromelain to reduce seasonal discomfort.

## Overview

LES Labs Sinus & Seasonal is a premium, non-GMO supplement featuring butterbur, quercetin, nettle root, and bromelain to support sinus relief, balanced histamine levels, and respiratory health. Designed for adults seeking natural, drug-free seasonal comfort, it promotes clear breathing and immune balance without drowsiness. Manufactured in the USA with gluten-free ingredients, this 60-capsule formula is trusted by thousands for effective nasal and lung support.

## Description

Buy LES Labs Sinus & Seasonal – Sinus Relief, Nasal Health, Balanced Histamine Response, Clear Lungs & Respiratory Health – Butterbur, Quercetin, Nettle Root & Bromelain – Non-GMO Supplement – 60 Capsules on desertcart.com ✓ FREE SHIPPING on qualified orders

## Features

- Nasal health minus the drowsiness: Our natural drug-free formula helps promote sinus & nasal health while supporting lung & respiratory function. Breathe freely without drowsiness.
- Helps reduce seasonal discomfort: Powerful, natural ingredients like nettle root, quercetin, bromelain, and butterbur extracts (free of pyrrolizidine alkaloids) help to reduce seasonal discomfort and regulate histamine levels.
- Natural formula for respiratory health: Sinus & Seasonal is specifically formulated to support respiratory health for sinus sufferers and can help improve breathing quality.
- Promotes balanced immune response: Added quercetin helps to promote a balanced immune response.
- Try Sinus & Seasonal and see how it works for you. At LES Labs we're 100% committed to making sure that you feel happy & healthy with your purchase - that's our promise to you. We manufacture all of our products in the USA with the highest-quality ingredients from around the world.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00G9G16A2 |
| Age Range Description | Adult |
| Best Sellers Rank | #51,266 in Health & Household ( See Top 100 in Health & Household ) #214 in Sinus Medicine |
| Brand | LES Labs |
| Brand Name | LES Labs |
| Container Type | Bottle |
| Customer Reviews | 4.2 out of 5 stars 2,827 Reviews |
| Diet Type | Gluten Free |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Item Form | Capsule |
| Item Weight | 0.01 Ounces |
| Manufacturer | LES Labs |
| Manufacturer Part Number | 2826636031 |
| Number of Items | 1 |
| Primary Supplement Type | Quercetin |
| Product Benefits | Allergy Relief, Nasal & Sinus Health, Histamine Support |
| Specific Uses For Product | Nasal, Sinus |
| UPC | 091037758590 |
| Unit Count | 60 Count |

## Product Details

- **Brand:** LES Labs
- **Diet Type:** Gluten Free
- **Flavor:** Unflavored
- **Item Form:** Capsule
- **Primary Supplement Type:** Quercetin

## Images

![LES Labs Sinus & Seasonal – Sinus Relief, Nasal Health, Balanced Histamine Response, Clear Lungs & Respiratory Health – Butterbur, Quercetin, Nettle Root & Bromelain – Non-GMO Supplement – 60 Capsules - Image 1](https://m.media-amazon.com/images/I/714xfLT-ijL.jpg)

## Questions & Answers

**Q: Does the butterbur in Sinus & Seasonal contain pyrrolizidine alkaloids (PAs)?**
A: No, it is completely PA-free! Our butterbur is carefully processed to ensure purity and safety.

**Q: Can Sinus & Seasonal Support be used daily?**
A: Yes, this formula is designed for daily use to help manage seasonal changes and maintain long-term sinus health. It is particularly beneficial for individuals sensitive to pollen, dust, and other environmental triggers.

**Q: How soon can results be expected?**
A: Many users report improved sinus clarity, reduced nasal congestion, and better overall comfort within a few days of consistent use. For optimal results, it is best to take Sinus & Seasonal Support before peak allergy season.

**Q: Is this supplement safe for long-term use?**
A: Yes, all ingredients are naturally derived and non-drowsy, making this a safe and effective alternative to traditional seasonal relief medications.

**Q: Does this product help with non-seasonal sinus issues?**
A: Yes! While designed for seasonal allergies, its anti-inflammatory and mucus-clearing properties can also support year-round sinus health for those sensitive to dust, pet dander, and environmental pollutants.

## Frequently Bought Together

- LES Labs Sinus & Seasonal – Sinus Relief, Nasal Health, Balanced Histamine Response, Clear Lungs & Respiratory Health – Butterbur, Quercetin, Nettle Root & Bromelain – Non-GMO Supplement – 60 Capsules
- LES Labs Inflammatory Health – Joint Support, Muscle Function & Relaxation, Mobility– Turmeric, Boswellia, Quercetin, Ginger & CoQ10 – Non-GMO Supplement – 60 Capsules
- LES Labs Cortisol Health – Stress Relief, Balanced Cortisol Response, Relaxation & Deep Sleep – Phosphatidylserine, Magnesium, Magnolia Bark, Rhodiola Rosea & Ashwagandha – Non-GMO – 60 Capsules

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-19*