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. Updates coming * 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.