Ayurvet Limited offers Herbal Extract for Treating Liver Dysfunctions and Improving Productivity in Camels D. Ayurvet Limited, formerly known as Dabur Ayurvet Limited is an ISO-9001:2000 certified company. The Herbal Extract for Treating Liver Dysfunctions and Improving Productivity in Camels is also known as Yakrifit. The herbs in Herbal Extract for Treating Liver Dysfunctions and Improving Productivity in Camels offer hepato-protective, anti-hepatotoxic, hepato-regenerative and hepato-stimulant actions.