The Natural Horse Calming Supplement A natural approach to safely and effectively support confidence and focus for your horse, no matter the task: training, racing, trailering, roping, showing, etc.! Unlike typical tryptophan-based supplements, SynChill™ uses a unique proprietary blend of plant-based amino acids — a game-changer among equine calming products. 100% NATURAL EQUINE CONFIDENCE SUPPLEMENT SynChill™ contains a unique blend of the highest quality natural biochemical ingredients, supporting positive disposition for horses in challenging environments. Dispensed in handy single-dose syringes, SynChill™ is a pleasantly sweet-tasting, odor-free, amber gel. HELP YOUR HORSE REACH PEAK PERFORMANCE with a sense of confidence in events without sedatives and tranquilizers. SAFE, EFFECTIVE, & COMPLIANT does not contain any banned substances on the USEF Drugs & Medication Guidelines or the FEI Prohibited Substances List. HISA COMPLIANT