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New Arrival

Quercetin+

Quercetin+

Clinically formulated with Quercefit® for 20x better absorption*

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One-time purchase

Description

Run down? Seasonal health issues? Achy joints? When your immune system can't keep up, you need fast, powerful support.* Enter Quercetin+, the neuroprotective, immune-boosting antioxidant and natural antihistamine your brain and body have been craving.*

With 20x better absorption than standard quercetin supplements, Quercetin+ uses advanced phytosome technology to target inflammation, boost immune system health, balance histamine levels, and protect your heart, lungs, and brain from harmful oxidative stress.*

Experience the difference: feel stronger, clearer, and more resilient with Quercetin+.*

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Key Benefits

Healthy Aging

Immunity

Heart

Total Wellness

Key Ingredients

We only use clinically researched ingredients backed by science. Every formula is crafted with pure, high-quality nutrients at effective doses designed for safety, potency, and real results you can trust.
Vegan
Gluten Free
Non-GMO
Nut Free
Sugar Free
Vegan
Gluten Free
Non-GMO
Nut Free
Sugar Free

Quercefit® Quercetin Phytosome™

250 mg
Quercefit®️ Quercetin Phytosome™️ is a patented, clinically studied form of quercetin that offers up to 20x better absorption than standard quercetin.* Quercetin is a powerful antioxidant and anti-inflammatory compound that supports immune function, cellular health, and allergy relief by helping to stabilize mast cells and reduce histamine release.* Enhanced with Phytosome™️ technology for superior bioavailability, Quercefit®️ delivers faster, more effective results—making it a highly efficient way to support immune resilience, reduce oxidative stress, and promote overall wellness.*

Supported by Clinical Research

Quercetin May Support Immune and Respiratory Health
Clinical and review studies on immunity and viral defense

Quercetin, particularly in its phytosome form, has shown promise for immune modulation and respiratory support, including in the context of viral infections.
(Di Perro 2021)
(Aghababaei 2023)
BrainMD
Standard Quercetin Doesn’t Cut It*

Why 20x Better Absorption Changes Everything*

Feeling sluggish, battling seasonal immune issues, or coping with joint discomfort? Upgrade your health defense with Quercetin+ and start feeling more energized, resilient, and ready to take on each day.*

Unlike standard quercetin, which often isn’t well absorbed, our patented phytosome formula delivers 20x better absorption for faster, more effective immune system support, anti-inflammatory benefits, and aiding in cardiovascular, respiratory, and brain protection.*

Expert Reviews

“Quercetin+ is a game-changer for immune support and overall health. With its advanced absorption and antioxidant power, it not only helps reduce inflammation but also supports a healthy heart, lungs, and brain.”

Dr. Daniel Amen

Founder, BrainMD & Amen Clinics
"Quercetin+ delivers 20 times better absorption than standard quercetin. That means faster, more effective results for supporting the immune system, reducing inflammation, and protecting vital organs like the brain and heart."

Peggy Perez

Brain Health Professional, NASM CPT & CES, IIS Health Coach
BrainMD
The Immunity Game-Changer*

Breathe Easier, Feel Stronger, Stay Clear-Headed*

Seasonal allergens, immune issues, and respiratory problems can drain your energy and focus.

Quercetin+ works as a natural antihistamine and powerful antioxidant, balancing histamine levels, reducing inflammation, and supporting lung health to keep you breathing easy and feeling clear-headed.*

In a clinical study that assessed respiratory health, Quercefit®—the quercetin phytosome used in Quercetin+—reduced daytime symptoms by up to 51% and nighttime symptoms by 70% in individuals with respiratory sensitivities in just 30 days.*
BrainMD

What To Expect

2 Weeks

Quercefit’s advanced phytosome tech boosts quercetin absorption—up to 20× higher than standard forms—so your body can start using its antioxidant and anti-inflammatory power right away.*

4–6 Weeks

Mood, immunity, and energy begin to rise. Enhanced delivery supports immune balance and oxidative defense, helping you feel more resilient and ready for the day.*

8 Weeks

Noticeable improvements in circulation and stamina. Quercetin’s vascular and endurance-supportive benefits help you bounce back faster and maintain steady energy longer.*
3 Months+

Long-term vitality takes hold. With consistent use, Quercetin+ helps sustain healthy inflammation control, immune strength, cardiovascular health, and cellular longevity—supporting your well-being from the inside out.*

FAQ

Got questions? We’ve got answers. Explore our FAQs or chat with our AI assistant for instant support.

BrainMD

How do I take Quercetin+?

Take 1 capsule daily or as directed by your qualified healthcare professional.* For best results, continue daily use for at least 3 months.*

Overall rating: 4.827586 / 5 from 29 reviews.

AI Generated Review Summary

Summary topics

Review topics: [results, quality, effect].

Review highlights

Reviews

Quercetin+

"Quercetin+ from BrainMD has become one of those rare supplements that genuinely earns its place in a daily routine. What stands out most is the combination of purity, science‑backed formulation, and noticeable results. I started taking Quercetin+ to support my immune system and overall inflammation response, and it has consistently delivered exactly what it promises."

— sonia s. (5/5)

Great Quercetin

"Best Quercetin I’ve taken. Really helps stuffy sinuses."

— Sue W. (5/5)

Quercetin is made of wholesome

"Quercetin is made of wholesome ingredients."

— Lois K. (5/5)

quercetin

"Dr. Amen would only allow the best quality ingredients to be used. I have been using this for almost a year and have not even gotten a sniffle. I really feel it is helping my immune system. Loving the effects!"

— Angela S. (5/5)

Winter is here!

"The winter weather is moving in. I haven't had my normal annual cold with the change of season. I'm feeling good!"

— Brent S. (5/5)

This has helped reduce my allergies

"Great product"

— Leila F. (4/5)

Helpful for allergies.

"My doctor suggested this and I am so happy he did. It helps tremendously during allergy seasons for me, and respiratory."

— Gloria W. (5/5)

This supplement is like air for me ‼️🤩

"I have been suffering from seasonal allergies to flowering for many years. I finally found my salvation‼️ Quercetin works 💯 🤩"

— Irina F. (5/5)

My favorite

"I’ve been using this natural antihistamine for years and it works!"

— Dawn B. (5/5)

Allergies

"It has helped me control my crazy seasonal allergies."

— Daniel L. (5/5)

Q&A