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 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.