The nutritionist (Katie) at my doctor's office (Dr. Kaufman at Open Medical Institute) recommends Klaire Theralac, but do not have a relationship with Klaire. I am hoping to get the code so I can get this probiotic - thanks! Authorized Patients: Please register for full access. To register and purchase, you will need an authorization code from a licensed healthcare practitioner. If you do not have this, please contact your health provider. I am just shy of 39 and had CF/ME for 2.5 long years. I have been a patient at the Open Medicine Institute since November 2015, after getting no help from Holtorf, UCSF & Mayo Clinic Scottsdale.