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Quercetin Hist Defense | 120 Capsules

Quercetin Hist Defense | 120 Capsules

5.04 reviewsPediatrician-selected

Quercetin, nettle, bromelain, NAC and vitamin C in one capsule, for a healthy histamine response.*

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Vitamin D3 with K2 | 60 Capsules
Pairs well for seasonal support
Vitamin D3 with K2 | 60 Capsules
Add Vitamin D3 with K2 to support healthy immune function.*
Why Dr. Temple recommends it
“Teens and adults with sensitive skin often struggle in allergy season too. I recommend this formula because it supports the histamine response in both.”

Dr. Ana-Maria Temple, MD · Board-certified pediatrician · Founder of Serawise

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1Loved by families

5.0
from 4 reviews
“Had great success so far with this product, would recommend! Ordering was easy & quick delivery.”
Lori · Verified buyer

Read all 4 reviews

2What it does

Healthy histamine response*

Quercetin and stinging nettle help support the body's response to seasonal and environmental triggers.*

Skin comfort*

Quercetin helps steady mast cells, the cells in skin and airways that release histamine.*

Respiratory comfort*

NAC and bromelain support healthy mucus and clear airways.*

Antioxidant support*

Vitamin C and plant compounds help protect cells.*

3What's inside

Quercetin Hist Defense is the teen and adult companion to Quercetin Hist Defense Jr. It supports histamine balance, comfortable breathing and skin wellness through the seasons.*

Five ingredients, one capsule

Covers histamine, airways and antioxidants together.

Matches the Jr. dose

1 capsule equals 2 Quercetin Hist Defense Jr. chewables.

Pediatrician-selected3rd-party testedcGMP certifiedNon-GMO
Supplement facts & ingredients
Vitamin C
Quercetin Divdrate
Stinging Nettle (Leaves)
Bromelain (from Pineapple)
N-Acetyl-L-Cysteine (NAC)
Other Ingredients:
Hypromellose (veggie capsule)
Magnesium Stearate
Stearic Acid
Silicon Dioxide

4How to take it

  1. Loading Dose: 2 capsules three times per day for 7-10 days or as recommended by your health care professional.
  2. Maintenance: 2 or more capsules per day or as recommended by your health care professional.

5Common questions

How do I take it?

Loading dose: 2 capsules three times a day for 7 to 10 days. Maintenance: 2 or more capsules a day, or as recommended by your healthcare professional.

Who is it for?

Teens and adults. For kids ages 1 and up, choose Quercetin Hist Defense Jr.

Is it okay for eczema-prone skin?

It supports a healthy histamine response in the skin and airways.* It's a dietary supplement, not an eczema treatment, so keep your care plan in place.

Any tips?

NAC can thin mucus, so drink plenty of water.

Is it safe during pregnancy?

If you are pregnant or nursing, check with your healthcare practitioner first.

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Full product details

A plant-powered blend designed to support healthy histamine response, seasonal comfort, and skin wellness—naturally and gently.

Key Benefits/Actions

Supports Healthy Histamine Response
Helps support the body’s natural response to seasonal and environmental triggers.

Supports Skin Comfort
Supports balanced inflammatory responses that contribute to overall skin health.

Supports Respiratory & Sinus Comfort
Supports clear airways and overall respiratory wellness.

Antioxidant Support
Provides antioxidant nutrients that support cellular health.

Daily Immune Support
Supports immune system balance during seasonal challenges.

What is Quercetin Hist Defense ?

Quercetin Hist Defense is a comprehensive botanical and nutrient blend featuring quercetin, stinging nettle, bromelain, NAC, and vitamin C.

This formula is designed to support
histamine balance, immune function, and overall seasonal comfort, while also supporting skin and respiratory health.

How it works

Supports Histamine Balance
Quercetin and stinging nettle help support the body’s natural histamine response.

Supports Respiratory Function
NAC helps support healthy mucus balance and respiratory comfort.

Supports Skin & Immune Health
Bromelain and vitamin C support overall immune function and skin wellness.

Provides Antioxidant Support
Vitamin C and plant compounds help support cellular protection.

Who is this for?

  • Teens and adults experiencing seasonal discomfort
  • Teens and adults with sensitive skin
  • Those looking to support respiratory and sinus health
  • Anyone seeking a plant-based, daily wellness supplement

Why Parents Love It

Parents appreciate a gentle, plant-based option to support seasonal wellness for the whole family.

Clean, Simple & Safe

  • Non-GMO
  • Dairy Free
  • Gluten Free
  • Soy Free
  • No artificial colors, flavors, or preservatives

Thoughtfully Formulated

  • Combines botanicals and nutrients in one formula
  • Easy-to-take vegetarian capsules
  • Designed for daily use

Frequently Asked Questions

Is this right for me?
It's a good fit for teens and adults looking for gentle, plant-based seasonal and skin support.

How soon will I see results?
Everyone is different. Some families prefer to take it consistently year-round, while others use it only during the seasons when they want extra support.

Are there any side effects?
It’s generally well tolerated. NAC may help thin mucus, so staying hydrated is recommended. Consult your healthcare provider if needed.

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.

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Why Choose Serawise?

Founded by Dr. Ana-Maria Temple, MD, Serawise makes clean, thoughtfully formulated supplements for the whole family.

Warnings
If you are pregnant or nursing, consult with your health care practitioner before taking this product

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.