Immunity Support

  • Supports the immune system¹
  • Beta-glucans, plant extracts, zinc & vitamins
  • Ideal for intensive training phases

€29,90 €351,76/kg, incl. VAT, excl. shipping

In stock Delivery in 2-4 working days

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>76,000 5-star reviews
Lab-tested quality
Scientifically developed

For your daily challenges

Our Immunity¹ Support accompanies you through training, everyday life and intensive phases.
Supports the immune system¹
With beta-glucans from yeast
Green tea extract with EGCG & theanine
Zinc, vitamin C & vitamin D
Ideal for intensive training phases
Scientifically based & effectively dosed

Developed for your progress

Beta-glucans from yeast

Beta-glucans from Saccharomyces cerevisiae form the basis of the formula. The polysaccharides obtained from yeast cell walls are a central component of modern immune formulations.

Independently lab-tested quality

ESN product batches are tested by the independent laboratories GBA (Gesellschaft für Bioanalytik) and IfP (Privates Institut für Produktqualität) for product safety and accurate ingredient information, among other things. The reports are available as PDFs.

  • 80,000+ tests per year
  • Developed by experts
  • FSSC 22000 & HACCP certified

Frequently bought together

Optimize your training with these combined products.

Total price:

€29,90

Our experts behind ESN

Nicolas Lother
Chief Product Officer
For us, quality isn’t a single step. It’s the sum of everything, from the first idea to the finished product.
Stefan Schwarz
Vice President Quality
Others rely on spot checks. We don’t. Because errors happen at random, we test every raw material and every batch in our in-house lab, without exception.
Dr. Mike O'Leary
Head of Product
A product can work as well as it likes, but if the taste isn’t right, it doesn’t make it into our range. For me, effect and enjoyment always go together.
Daniel Margis
Research & Innovation Scientist
For me, every formula starts with one question: what does current research really say? Only then do we decide on ingredients and dosage.
On the creation and review of our product reviews

All reviews that comply with our guidelines are published, regardless of whether they are positive or negative. Product reviews may only be submitted by persons who have purchased the product on esn.com and used it themselves. Reviews can only be submitted via a personal invitation sent by email.

Any questions?

Learn more about the product here.

Stay resilient and stay strong, all season long – with our Immunity Support capsules.

Intense training and a hectic, stressful routine don’t just challenge your body; they also test your immune system. As the colder months set in, the risk of colds and flu increases, leading to unwanted breaks in your training and setbacks in your progress. Here’s a not-so-fun fact: colds cause more downtime for athletes than any other illness or injury combined!2

But here’s the good news: our enhanced Immunity Support capsules are here to give your immune system the boost it needs.1 With beta-glucans from yeast, zinc, vitamins C and D, and powerful plant extracts like echinacea and green tea, these capsules give your immune system the support it needs.1 That means fewer sick days, more consistent training, and faster recovery – even on rest days.1  Stay strong, all season long and keep your progress on track!

All eyes on: Immunity Support

The star of our new formula? Beta-glucans from yeast. These natural polysaccharides, found in the cell walls of yeast, mushrooms, algae, and grains, have been shown to significantly reduce the risk of colds and infections with regular use.3 Plus, they don’t just help prevent illness – they can even lessen symptoms and speed up recovery!3

Our Immunity Support formula also includes carefully selected plant extracts like echinacea, nettle leaf, elderberry, quercetin, and green tea – natural powerhouses with a long history of supporting immunity. Here’s what makes some of them so effective:

Green tea extract contains potent polyphenols, especially EGCG and L-theanine. EGCG supports immune function and can ease respiratory infections, while L-theanine promotes better sleep and reduces stress. Both are known for their anti-inflammatory and antioxidant effects, which is why we’ve increased the dose of green tea extract in our formula.

Nettle extract is another standout ingredient, packed with antioxidants and shown in studies to have positive effects on allergic reactions.4 By reducing histamine response, nettle can help with seasonal allergies and mild respiratory issues, while also protecting against free radicals and infections.

Finally, our capsules include the minerals zinc and vitamins C and D – a trio many rely on during flu season, and for good reason. Together, these nutrients provide robust immune support.1 Vitamin C, in particular, contributes to normal immune function during and after intense exercise – making it the perfect support for your toughest training sessions.1

Ready to boost your immune system to peak performance? A strong immune system is the foundation for strong results – stay fit, both in and out of the gym!

Do not exceed the stated daily intake. Food supplements are not a substitute for a balanced and varied diet and a healthy lifestyle. Store out of the reach of children. No more than 800 mg epigallocatechin gallate (EGCG) per day should be consumed from all food sources. Should not be consumed if other green tea products are consumed on the same day. Should not be consumed by pregnant or breastfeeding women and children under 18 years of age. Should not be consumed on an empty stomach.

1Zinc, vitamin C, and vitamin D contribute to the normal function of the immune system. Vitamin C also supports the immune system during and after intense physical exercise.

2Weidner TG, Sevier TL. Sport, exercise, and the common cold. J Athl Train. 1996 Apr;31(2):154-9. PMID: 16558389; PMCID: PMC1318446.

3https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10302218/

4Bhusal et al, 2022; https://www.sciencedirect.com/science/article/pii/S2405844022010052

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