BioGaia® Gastrus® PURE
BioGaia® Gastrus® PURE €59,99
BioGaia® Gastrus® PURE
BioGaia® Gastrus® PURE
BioGaia® Gastrus® PURE
BioGaia® Gastrus® PURE
BioGaia® Gastrus® PURE
BioGaia® Gastrus® PURE
BioGaia® Gastrus® PURE
BioGaia® Gastrus® PURE

BioGaia® Gastrus® PURE

60 high concentration probiotic capsules

BioGaia® Gastrus® PURE

High-strength probiotic support for sensitive stomachs

BioGaia® Gastrus® PURE is a high-concentration, dual-strain probiotic designed for adults who want daily digestive support in a simple, mindful format.

Certified FODMAP Friendly, free from artificial sweeteners, vegan, and non-GMO, Gastrus PURE is especially suitable for those with sensitive stomachs or those following specialised diets.

Formulated with BioGaia’s clinically researched L. reuteri Gastrus® strains and backed by over 30 years of probiotic research, it offers a convenient way to support everyday gut health and digestive balance.

Who is it for?

BioGaia Gastrus PURE is ideal for:


  • Adults with sensitive stomachs

  • People following a low FODMAP or specialised diet

  • Those looking for artificial sweetener-free probiotic support

  • Anyone who prefers a small, vegan capsule

  • Adults looking to support everyday digestive wellbeing

  • Customers who want a research-backed, high-quality probiotic

Why choose Gastrus PURE?

Digestive wellbeing can be affected by everyday stress, diet, travel, routine changes, and lifestyle. For those with sensitive stomachs, choosing the right supplement can feel even more difficult — especially when many products contain sweeteners, unnecessary additives, or ingredients that may not suit specialised diets.

BioGaia Gastrus PURE has been independently tested and certified FODMAP Friendly, giving extra reassurance for those who need a carefully formulated option.

Each capsule contains a high concentration of BioGaia’s dual-strain L. reuteri Gastrus® blend, designed to complement your natural gut flora and support everyday healthy digestion.

A cleaner choice for daily digestive support

Gastrus PURE is designed to fit easily into your daily routine. The small vegan capsule is simple to take, while the clean, non-GMO formula makes it a practical choice for those looking for a more considered probiotic.

It is:


  • Certified FODMAP Friendly

  • Free from artificial sweeteners

  • Vegan

  • Non-GMO

  • Small and easy to take

  • Made with a high-concentration dual-strain formula

  • Backed by 30+ years of probiotic research

  • Suitable for sensitive stomachs and specialised diets

Trusted probiotic support, made simple

For adults who want a gentle, convenient, and research-backed probiotic without unnecessary extras, BioGaia Gastrus PURE offers a worry-free daily option.

High-strength. FODMAP Friendly. Vegan. Designed for sensitive stomachs. Backed by science.

Quantity: How many products do you want to receive per delivery?

Why choose this probiotic?

✓ L. reuteri Gastrus®* (L. reuteri DSM 17938 and L. reuteri ATCC PTA 6475) – exclusive to BioGaia® 

✓ Certified FODMAP friendly – independently tested, trusted global certification

✓ Dual strain, formulated for sensitive stomachs 

✓ Backed by 30+ years of scientific research 

✓ Easy-to-swallow, small vegan capsule 

✓ Suitable for specialised diets – ideal for those avoiding fermentable carbohydrates 

✓ Scientifically optimised probiotic blend 

Money-back guarantee

Not happy? You can request a full refund within 30 days

Free shipping

Free shipping on orders over €75 & on subscriptions.

Got a question?

Email support@biogaiaireland.ie and we'll get back to you.

L.reuteri Gastrus® (L.reuteri DSM 17938 and L.reuteri ATCC PTA 6475), bulking agent (microcrystal line cellulose), capsule (hypromellose) anti-caking agent (calcium stearate)

Free from artificial sweeteners, gluten, milk protein and lactose.

Enjoy the recommended dose at any time of day, with or without food.

Storage: Store in a dry place, not above room temperature (max 25°C). Products should be stored safely out of reach of young children.

Recommended daily dose: 1-2 tablets. L. reuteri Gastrus® (L. reuteri DSM 17938) and L. reuteri ATCC PTA 6475, each tablet contains a minimum of 200 million live L. reuteri.

Recommended daily dose should not be exceeded. Food supplements should not be used as a substitute for a varied diet.

Not sure which is the best probiotic for your need?

What does certified FODMAP Friendly mean?

FODMAP Friendly means that BioGaia® Gastrus® PURE is specially formulated without ingredients that can trigger digestive issues in people sensitive to FODMAPs (Fermentable Oligosaccharides, Disaccharides, Monosaccharides, and Polyols).

BioGaia® Gastrus® PURE is FODMAP Friendly® certified – it has been independently tested in NATA and ISO-accredited labs and proudly carries the green logo, making your low-FODMAP choice simple and trustworthy. FODMAP Friendly is a globally recognised certification, trusted by millions worldwide.

Precision probiotic support powered by clinically studied strains

Our 30-year commitment to conducting rigorous clinical research ensures that our products are backed by solid evidence and trusted around the world.

SelectBiotics®

Quality assurance you can trust.

read more

LongevityGuard®

Alive and active with every drop.

read more

FAQ

Limosilactobacillus reuteri (formerly known as Lactobacillus reuteri) Gastrus is a combination of two probiotic strains, L. reuteri DSM 17938 and L. reuteri ATCC PTA 6475.

Yes, they are safe for long-term, daily use.

  • Protectis contains L. reuteri DSM 17938
  • Gastrus contains L. reuteri DSM 17938 and L. reuteri ATCC PTA 6475

Yes. One tablet contains a minimum of 200 million live L. reuteri Gastrus, and two tablets contain a minimum of 400 million live L. reuteri Gastrus.

Limosilactobacillus reuteri (formerly known as Lactobacillus reuteri) Gastrus® is a combination of two probiotic strains, L. reuteri DSM 17938 and L. reuteri ATCC PTA 6475.

All FAQ

Probiotics powered by science

At BioGaia, our scientifically supported probiotics are backed by over 30 years of world-leading microbiome research, making them a trusted choice among consumers around the world.

Our patented strain, L. reuteri, stands out with its high bioavailability and is shown to survive harsh stomach acid and reach your gut alive.

Explore more of our probiotic food supplements

  BioGaia® Gastrus® PURE BioGaia Gastrus Tablets 30s BioGaia Protectis Vit D+ Tablets 30 & 90 BioGaia Prodentis Lozenges 30s
  Gastrus PURE Gastrus Protectis D+ Prodentis
Ratings
Format 60 capsules 30 chewable tablets 30 or 90 chewable tablets 30 chewable lozenges
Recommended age Suitable from 3 years of age Suitable from 3 years of age Suitable from 12 years of age Suitable from 3 years of age
Benefits - to maintain health in healthy individuals FODMAP Friendly digestive support Dual strain formulation for gut & digestive health Comprehensive daily digestive & immune support Supports oral health
Dosage 1-2 capsules daily 1-2 tablets daily 1 tablet daily 1-2 lozenges daily
 

€59,99

€35,80

€29,99

€24,99

* L. reuteri Gastrus® is a trademark of BioGaia for L. reuteri DSM 17938 and ATCC PTA 6475.