Mast Cell Nutrients - 60 Capsules

A targeted mast cell support formula with Quercefit® quercetin phospholipids and Emothion® S-Acetyl-Glutathione alongside luteolin, bromelain, and nettle root — five ingredients chosen for their complementary roles in healthy histamine balance and mast cell stability.
Regular price £46.95 GBP
Sale price £46.95 GBP Regular price
In stock

Current Stock Expiry: 31-03-2028

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Free UK shipping over £40
Same Day Dispatch - Before 2pm Mon-Fri*
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Mast Cell Nutrients is a strong fit for you if:

 

You experience recurring histamine-related symptoms (seasonal discomfort, skin flushing, GI reactivity, or environmental sensitivity) that seem linked to what you eat, where you are, or fluctuating life stressors. You've tried avoiding high-histamine foods but want to also support your body's ability to clear histamine effectively. You're looking for a comprehensive mast cell support formula rather than a single-ingredient approach.

 

This product is a good fit if:

 

You have confirmed or suspected DAO enzyme insufficiency and want to support histamine metabolism from multiple angles. You're interested in evidence-based botanical support for immune system and inflammatory response balance. You're already doing the basics (identifying triggers, supporting gut health) and want a targeted supplement layer.

 

This product is probably NOT right for you if:

 

  • You are looking primarily for a standalone glutathione supplement — the Emothion® dose here is supporting rather than therapeutic for glutathione repletion.
  • You are seeking a single-ingredient quercetin product — this is a combination formula.
  • You have a known COMT++ variant and are already taking high-dose quercetin — consult your provider before adding additional quercetin load.
  • You have a known pineapple allergy (bromelain is derived from pineapple).
  • You are pregnant or breastfeeding and have not consulted your provider.
  • You are taking blood-thinning medications, as bromelain may potentiate anticoagulant effects — check with your provider.
Take 2 capsules daily with a meal, or as directed by your healthcare provider.
Mast Cell Nutrients Blend - Other ingredients - Vitamin C (ascorbic acid), vegetarian capsule (hypromellose and water), rice bran wax, leucine

What is Seeking Health Mast Cell Nutrients?

Mast Cell Nutrients is a targeted food supplement formulated to support mast cell stability and a healthy histamine response. It combines quercetin, luteolin, bromelain, nettle root and S-acetyl-glutathione in one formula.

What are mast cells?

Mast cells are immune cells found throughout the body, particularly in tissues that interact with the outside environment, including the skin, lungs and digestive tract. When activated, they release substances such as histamine as part of the body’s normal immune response.

What is histamine?

Histamine is a naturally occurring compound involved in immune responses, digestion and communication within the nervous system. Some people may seek nutritional support when they feel sensitive to histamine-rich foods or environmental triggers.

Who may consider taking Mast Cell Nutrients?

This product may suit adults looking for nutritional support for mast cell stability and healthy histamine metabolism, particularly alongside dietary and lifestyle changes. The manufacturer highlights people experiencing recurring seasonal discomfort, skin flushing, digestive reactivity or environmental sensitivity.

What ingredients does Mast Cell Nutrients contain?

The formula includes:

  • Quercefit® quercetin phospholipids
  • Luteolin
  • Bromelain
  • Nettle root
  • Emothion® S-acetyl-glutathione
  • Vitamin C

Other ingredients include a vegetarian capsule, rice bran wax and leucine.

What is luteolin?

Luteolin is a plant flavonoid found naturally in various fruits, vegetables and herbs. It complements quercetin within this multi-ingredient mast cell support formula.

Can Mast Cell Nutrients be taken with antihistamines?

Do not change or discontinue prescribed antihistamines without medical advice. Speak to a doctor or pharmacist before combining this supplement with medication, particularly when managing a diagnosed allergy, histamine-related condition or mast cell disorder.

Can it be taken with blood-thinning medication?

Bromelain may affect blood clotting. Consult your doctor or pharmacist before using this product if you take anticoagulant or antiplatelet medication, including apixaban, warfarin, clopidogrel or regular high-dose aspirin.

Can it replace a low-histamine diet?

No. It is intended to complement, rather than replace, an appropriate diet and healthy lifestyle. People following a low-histamine diet should consider working with a qualified healthcare practitioner or registered dietitian to avoid unnecessary dietary restriction.

Shipping

We prioritise safe and fast delivery for all our customers. Our carefully selected couriers are Royal Mail and DHL. Royal Mail Orders placed before 2pm are shipped the same day (Mon-Fri), excluding Bank holidays, orders placed after 2pm on a Friday ship the following Monday, for DHL it is 1pm.

 

UK standard delivery

Enjoy free standard delivery on orders above £40, this option usually requires  2-3 working days. If your order is under £40, this delivery option is available for £3.95. Orders over £75 can avail of free 1st class shipping.

 

Next working day

For when you need our products urgently, we offer UK next working day shipping. For orders placed before 2pm, we will ship it the same day to ensure you receive your order the next working day.

 

International

International deliveries can take 7 working days, and on rare occasions up to two weeks. The cost is dependent on country and weight of the order. We do not ship to Norway, Russia, Ukraine, Türkiye, Mexico or South America due to strict import controls in these countries.

 

EU Orders

If your order is shipping to an EU country  you will need to shop on www.proactivehealthcare.ie

 

Returns

If for any reason you are not satisfied with your order, contact us at info@proactivehealthcare.co.uk with your order number within 14 days of receipt. The item you return must be sent in the same condition as received and inside the original packaging. Once received, we will notify you via email.

 

 

 

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