Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Syncrofen Regulate by Syncroflex Sale $155.90 SKU HFSCRSS 500g - $155.90 Weight 500g 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Notify me when back in stock Email address Email me when available Syncrofen Regulate is a natural herbal extract for animal use. It's complex formula contains botanical extracts which traditionally used for their supporting effect on the seasonal challenges of mares.