Cellular Defence

daily immune support

Serving: 30-Day Supply (60 Capsules)

Optimal immune health matters all year-round, which is why we created Cellular Defence, our daily immune support supplement. This targeted mushroom complex and antioxidant blend combines Reishi, Beta Glucans, Astragalus and Quercetin with immune-essential vitamins and minerals to reinforce immune function and support recovery. With Vitamin C, Vitamin A, Zinc and Selenium -  which contribute to the normal function of the immune system - Cellular Defence delivers comprehensive, natural immune support for everyday resilience, travel, and cold season.

Benefits

Immune Health
Reduces Tiredness + Fatigue
Recovery
With Berberine
amount
-
1
+

The Essential Breakdown

Description

Optimal immune health matters all year-round, which is why we created Cellular Defence, our daily immune support supplement. This targeted mushroom complex and antioxidant blend combines Reishi, Beta Glucans, Astragalus and Quercetin with immune-essential vitamins and minerals to reinforce immune function and support recovery. With Vitamin C, Vitamin A, Zinc and Selenium -  which contribute to the normal function of the immune system - Cellular Defence delivers comprehensive, natural immune support for everyday resilience, travel, and cold season.

NEED TO KNOW
Instructions: Take 2 capsules in the morning or evening with food. Alternatively, take 1 capsule morning and evening. Contraindications: Contains Vitamin A and must be avoided when pregnant. Should not be taken alongside Skin Clinic. Precautions: If taking medications or health condition present, consult your healthcare practitioner before using this product. Do not use if safety seal is broken. This product is not intended to diagnose, treat, cure or prevent disease. Food supplements should not replace a balanced diet. Formulated for Adults 18+.
Ingredients & Nutritional Info
Serving Size: 2 Capsules
Servings Per Pack: 30
One Serving Provides NRV%
Vitamin C 500mg 626%
Reishi Extract (Standardised to 30% Polysaccharides) 500mg *
L-Olive Leaf (Standardised Extract 4:1) 400mg *
Quercetin 200mg *
Astragalus 100mg *
Berberine HCL 100mg *
Citrus Bloflavanolds (60% Hesperldin) 100mg *
Beta Glucans 1,3 & 1,6 65mg *
Cordyceps Sinensis 50mg *
Zinc 15mg 150%
Selenium 50mg 90%
Vitamin A 2500IU 94%
Shipping

Standard delivery

Your order will take 1-2 business days for our warehouse to process, and it will ship and arrive within 2 business days after that.

1-2 Days

Express delivery

Your order will take 1 business day for our warehouse to process before, and it will ship and arrive within 1 business day after that.

1 Day

International delivery

Your order will take 2 business days for our warehouse to process, and it will ship and arrive within 7-14 business days after that. Your order may be subject to customs tax/duty. We currently ship to Canada, Hong Kong, Singapore, UAE, Switzerland, Ireland, Netherlands, France, New Zealand, and Australia.

7-14 Days

IMMUNITY STARTS HERE.

Having a strong immune system isn't just about resilience to illness and infection, it can also influence our energy, recovery, reproductive health, emotional wellbeing and more. Optimal immune health is more important now than ever, which is why we created Cellular Defence, a targeted blend of mushrooms, vitamins and phytonutrients designed to reinforce the immune system and promote recovery.

FAQs

Who should take Cellular Defence?

Anyone who would like to support their immune system. Because it contains Vitamin A, Zinc, Selenium, Quercetin, and immune supporting herbs and mushrooms, Immune Defence is perfect for those who wish to replace many different supplements with one effective formula.

How can I tell if it's working?

You may notice that you aren't getting sick as often and if you do catch something, you may recover more quickly than usual. You may also notice an improvement in energy within the first month of use.

Do I need to take it regularly or can I take it just when I feel like I'm getting sick?

Immune support will be most effective if taken proactively, for example when approaching the winter season, or to bolster your defences if you're run down or exposed to others who are ill.

HAS REALLY IMPROVED MY HEALTH

"Since taking this product for a few months I have been significantly less ill. Having an 18 month old in nursery is a hard test on the immune system and Cellular Defence has really improved my health. A game changer for me."

Lisa, UK

Verified Customer

Winner of "Best Herbal Supplement Brand"
"Hands-down my favourite supplements"
"ARTAH have firmly cemented themselves as one of the most trustworthy health brands on the market."
Logo of 'GET THE GLOSS' in black text on a white background
"A brand that's always at the cutting edge of optimum nutrition."
"All the cool girls are using ARTAH these days."
Winner of "Best Herbal Supplement Brand"
"Hands-down my favourite supplements"
"ARTAH have firmly cemented themselves as one of the most trustworthy health brands on the market."
Logo of 'GET THE GLOSS' in black text on a white background
"A brand that's always at the cutting edge of optimum nutrition."
"All the cool girls are using ARTAH these days."
Winner of "Best Herbal Supplement Brand"
"Hands-down my favourite supplements"
"ARTAH have firmly cemented themselves as one of the most trustworthy health brands on the market."
Logo of 'GET THE GLOSS' in black text on a white background
"A brand that's always at the cutting edge of optimum nutrition."
"All the cool girls are using ARTAH these days."
Winner of "Best Herbal Supplement Brand"
"Hands-down my favourite supplements"
"ARTAH have firmly cemented themselves as one of the most trustworthy health brands on the market."
Logo of 'GET THE GLOSS' in black text on a white background
"A brand that's always at the cutting edge of optimum nutrition."
"All the cool girls are using ARTAH these days."
Winner of "Best Herbal Supplement Brand"
"Hands-down my favourite supplements"
"ARTAH have firmly cemented themselves as one of the most trustworthy health brands on the market."
Logo of 'GET THE GLOSS' in black text on a white background
"A brand that's always at the cutting edge of optimum nutrition."
"All the cool girls are using ARTAH these days."

CUSTOMER REVIEWS

Trusted by experts

"I use Cellular Hydration during my workouts and it has been fantastic. It's undoubtably helped my training and performance and has an incredibly refreshing taste."

Dr. Hugh Coyne

Private GP

"I use Enhanced NAD+ Complex because it targets multiple aspects of NAD+ biology, supporting production via nicotinamide riboside while also helping reduce NAD+ depletion. This synergistic formulation supports both energy metabolism and longevity pathways in a way that feels both intelligent and aligned with systems biology."

Dr Tamsin Lewis

Founder of Wellgevity Clinic

"We've been consistently impressed by the quality of ARTAH supplements - you can really feel the difference. The formulations are clean, potent, and clearly backed by science, which gives us confidence in what we are recommending to our clients and using ourselves."

Roberta Baldo

Nutritional Therapist + Founder of Baldo + Mason

"ARTAH sets a new standard for supplements - delivering science-backed formulations, effective dosages, and the best quality ingredients."

Dr Aanya Hirdaramani

Founder of The Nourish Method

"As a nutritionist and someone currently pregnant, I’ve felt great taking ARTAH’s Enhanced Fertility. It’s one of the few formulas I fully trust for both clinical recommendations and my own journey. It is thoughtfully dosed, easy to tolerate, and includes key nutrients that so many standard pre-natals miss! "

Clarissa Lenherr

Nutritional Therapist

"Finding the right electrolytes has been a game changer for me, and these are the best!"

Ollie Black

Hyrox Athlete + PT

"I really like how Metabolic Fix is compounded, great from a cravings and blood sugar regulation POV."

Pete Williams

Functional Medicine Practitioner

"As a health and wellness professional, I'm always looking for ways to optimise my clients' well-being. I wholeheartedly recommend Cellular Hydration to anyone looking to combat fatigue and enhance overall vitality."

Jen Mackinder

Nutritional Therapist

"The purity of Essential Creatine is unmatched; it's the best quality out there, and it's been a game changer in my routine"

Caroline Idiens

PT + Founder, Caroline's Circuits

"I have been using Artah supplements for over 4 years. Metabolic Fix is such a powerhouse for supporting your blood sugar levels and helps balance my energy throughout the day. Berberine, which is the key ingredient, is one of my favourite plant compounds to protect your gut barrier. Absolutely love the passion and the care that goes into everything that Rhian and the team do."

Ksenija Selvanova

Author + Lymphatic Massage Specialist

"Quality, dosage, and effectiveness are the most important things to me when I recommend supplements to my clients - and ARTAH delivers on all fronts. I love this brand."

Lucy Miller

Nutritional Therapist & Contributing Wellness Editor for Sheerluxe

RELATED ARTICLES

The world of wellness is noisy, dogmatic and conflicting. We are here to cut through the noise with no-nonsense, science backed advice to support your health goals, delicious recipes to nourish your body, and the latest news on all things ARTAH.

View All
5 Signs Your ‘Slow Metabolism’ Is Actually Something Else (and How to Tell What’s Really Going On)
Simrath Sehmi 03.06.2026
5 Signs Your ‘Slow Metabolism’ Is Actually Something Else (and How to Tell What’s Really Going On)
Simrath Sehmi 03.06.2026
We’ve all “Slow metabolism”. It is one of the most common phrases people use when they feel stuck with their health, especially as women.  Usually, what they mean is…
Read More
Weight Management
8 Evidence-Backed Ways to Support Your Metabolism
Rebecca Newton 19.05.2026
8 Evidence-Backed Ways to Support Your Metabolism
Rebecca Newton 19.05.2026
That Don’t Involve Training More + Eating Less Your metabolism is not just about how quickly you burn calories. It's an adaptive system that responds…
Read More
Wellbeing
These Are the Signals of Poor Hydration
Rebecca Newton 12.05.2026
These Are the Signals of Poor Hydration
Rebecca Newton 12.05.2026
Most people think hydration is simple, drink enough water, check that your urine is pale yellow, maybe carry around an unusually large water bottle as…
Read More
Energy
Women Are More Dehydrated Than Men — But Not for the Reasons You Think
Simrath Sehmi 06.05.2026
Women Are More Dehydrated Than Men — But Not for the Reasons You Think
Simrath Sehmi 06.05.2026
We’ve been taught to think about hydration in very simple terms; drink more water, be less dehydrated. And, if you feel tired, foggy, or headachy, the assumption is usually…
Read More
Women's Health
Feel Good with Farzanah Nasser
Simrath Sehmi 28.04.2026
Feel Good with Farzanah Nasser
Simrath Sehmi 28.04.2026
Farzanah is a registered Nutritionist and certified Functional Medicine practitioner specialising in gut and immune health. She is the author of The Everyday High Fibre Plan and works with clients to…
Read More
Wellbeing
How Rachael Lost 4kg of Body Fat and Found Food Freedom
Simrath Sehmi 22.04.2026
How Rachael Lost 4kg of Body Fat and Found Food Freedom
Simrath Sehmi 22.04.2026
When our Finance Director, Rachael, felt lost with her nutrition, she sat down with Rhian for advice. The plan was to review her macros and…
Read More
Weight Management
10 Simple Habits That Switch Off Inflammation (Backed by Science)
Simrath Sehmi 02.04.2026
10 Simple Habits That Switch Off Inflammation (Backed by Science)
Simrath Sehmi 02.04.2026
Your Anti-Inflammatory Toolkit  Inflammation isn’t just shaped by what we eat, it’s also influenced by how we live. Daily habits around stress, sleep, movement, and connection all send signals to the body, which…
Read More
Wellbeing
What are the Dietary Drivers of Inflammation?
Simrath Sehmi 02.04.2026
What are the Dietary Drivers of Inflammation?
Simrath Sehmi 02.04.2026
The Hidden Foods Secretly Driving Your Inflammation   Contrary to a lot of wellness rhetoric, inflammation isn’t driven by a single “bad” food, but rather, it’s shaped by our overall dietary…
Read More
Gut Health