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L. rhamnosus F-1

A patented functional strain derived from the healthy female reproductive tract
Lacticaseibacillus. rhamnosus F-1 is a probiotic strain derived from the healthy female reproductive tract. Supported by rigorous scientific studies and multiple patents, this strain demonstrates outstanding potential across specific health areas. Beyond its role in supporting women’s intimate health, F-1 has also shown strong applicability in oral health, gastric comfort, and modulation of inflammatory responses.
Core Areas of Application
Functional Applications in PRONULIFE® Formulations
F-1 has been incorporated into several clinically validated PRONULIFE® formulations:
Key Patents
Taiwan
📧 Contact us: glac@glac.com.tw
Further Reading:
References:
Potential of probiotics strains to modulate the inflammatory responses of epithelial and immune cells in vitro.

Lacticaseibacillus. rhamnosus F-1 is a probiotic strain derived from the healthy female reproductive tract. Supported by rigorous scientific studies and multiple patents, this strain demonstrates outstanding potential across specific health areas. Beyond its role in supporting women’s intimate health, F-1 has also shown strong applicability in oral health, gastric comfort, and modulation of inflammatory responses.
Core Areas of Application
- The multifunctionality of F-1 enables its integration into a wide range of product formulations, supported by solid scientific evidence:
- Women’s Health: Helps maintain vaginal microbiome balance with demonstrated modulation of associated microorganisms.
- Oral Care: Patents demonstrate its ability to inhibit oral pathogens, applicable in food and oral hygiene products.
- Gastric Comfort: Clinical data support its protective potential against Helicobacter pylori, supporting a healthy gastric environment.
- Immune Modulation: Scientific research highlights its capacity to modulate inflammatory responses of epithelial and immune cells.
Functional Applications in PRONULIFE® Formulations
F-1 has been incorporated into several clinically validated PRONULIFE® formulations:
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Women’s Intimate Health PRONULIFE® VagProtect | Stomach Health PRONULIFE® GasProtect / GasProtect-M | Immune & Allergy Support PRONULIFE® BabyAllieve |
Key Patents
Taiwan
- I639389: Food and pharmaceutical compositions containing lactic acid bacteria for inhibiting oral pathogens
- I784210: Compositions for inhibiting vaginal pathogens and related applications
- I792249: Fermented cultures of lactic acid bacteria for supporting protection against Helicobacter pylori
- CN102835657B: Lactic acid bacteria food compositions with anti-inflammatory and vaginal health-supporting functions
- CN108338361B: Food, oral hygiene, and pharmaceutical compositions containing lactic acid bacteria for oral health
- CN115137756B: Fermented cultures of lactic acid bacteria for supporting gastric health
📧 Contact us: glac@glac.com.tw
- Glac Single Strain Probiotic Powder - Live Probiotic Powder
- PRONULIFE® Functional Probiotic Ingredients
References:
Potential of probiotics strains to modulate the inflammatory responses of epithelial and immune cells in vitro.
