Brands partner —SFI Health (formerly known as Klaire Labs)
Klaire Labs® has been part of the SFI Health family of brands since 2013. Moving forward, Klaire Labs will be known as SFI Health™. Klaire Labs was founded in 1969 by Claire Farr, whose primary goal was to provide nutritional support for individuals with severe food allergies and environmental sensitivities.


Having earned a strong reputation and brand recognition in the medical community. SFI Health (formerly Klaire Labs) products continue to be the choice of physicians worldwide.
Check out some of the most prescribed products below.

Ther-Biotic Complete Probiotic
Ther-Biotic® Complete is a unique combination of colonizing and transient strains providing broad coverage to support a healthy balance of microbiota across the entire gastrointestinal tract.

Saccharomyces Boulardii Probiotic
Saccharomyces boulardii is a nonpathogenic, transient yeast long used to support normal bowel transit time.

Ther-Biotic Womens Formula Probiotic
This high-CFU, hypoallergenic blend of 10 probiotic species is specifically formulated to support a woman’s genitourinary system.
Why Fullscript?
Join thousands of practitioners on Fullscript and diversify your practice with the world’s first virtual dispensary.
Support for your patients
Extend care beyond the clinic by sharing top, practitioner-grade supplements.
Growth for your practice
Drive new revenue with virtual dispensing and EHR integrations that optimize workflow.
Full access and support
Get access to leading brands, world-class support, and adherence-boosting tools.
Free and easy
Sign up for an intuitive, flexible platform that takes minutes to set up.