Class: Probiotic
Format: Multiple formats
Istilos™ B. infantis

Bifidobacterium longum subsp. infantis Istilos™ (shortened to Istilos™) is a bacterium native to the human infant gut. It is uniquely adapted to feed on HMOs found in breast milk, infant formula, and supplements. Istilos™ produces metabolites known to support the development of the immune system and gut barrier function1, 2.
A clinical trial showed that seeding by infant supplementation rapidly increased colonization without complete dominance, and that Istilos™ thrives in the infant gut1.
Product features, details and benefits
- Supports seeding of a healthy infant microbiome.
- Bifidobacterium that supports the development of the immune system and gut barrier function.
- Highly specialized in HMO utilization.
- Available in infant grade.
Istilos™ B. infantis (DSM 33361) was isolated from the intestine of a healthy infant. The strain has been used since the early 2000’s as an ingredient in food and food supplements but was first trademarked with the name Istilos™ in 2023.
The name Istilos is derived from the Aztec god of medicine and healing for children, called Ixtilton. He was a gentle god who brought peaceful sleep to children in their beds at night.
Istilos™ is acid and bile stable.
It’s produced in a certified GMP Facility, FSSC22000 certified incl. ISO22000. The Istilos™ logo can be used on packaging subject to agreement. Istilos™ is a trademark of Chr. Hansen A/S, part of Novonesis Group.
This product contains microbials. While microbial products are safe to use in consumer applications, they must be handled correctly in production environments to ensure that workers do not inhale organic dust and bioaerosols.
Please follow the precautionary handling recommendations below:
• Avoid breathing dust/fume/gas/mist/vapors/spray
• Avoid contact with eyes, skin, or clothing
• In case of inadequate ventilation wear respiratory protection
• IF INHALED: Remove person to fresh air and keep comfortable for breathing
• Store in a dry place. Store in a closed container
• Dispose of contents/containers in accordance with local regulations
More information about safe-handling of microbial products is available on request.
For recommendations on how to safely handle the microbial product, please visit the guide.
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Isenção de responsabilidade
Este conteúdo é destinado exclusivamente para fins de negócios entre empresas (B2B) para um público profissional e não se destina a consumidores.

