Click here to go to shopping cart. What is JNK Formula? JNK Formula is a patent-pending formula with a proprietary blend of saffron and celery extract.  The JNK capsules are manufactured in a facility certified as cGMP and certified by NSF for professional and amateur athletes needing a drug free urine test. The formula blend used with the JNK Formula work synergistic in function and give many of the needed nutrients required when stress has been present in the body for a short-term or prolonged duration. * These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.