For nervous horses and patella hooking Vitamin B1 (Thiamine) is included in the treatment of patella hooking under veterinary regulations. Studies have also shown that overdose of Thiamine gives a clear calming effect on horses with severe nervous disorders. USAGE Thiamine is water soluble and can be overdosed. DOSAGE 15 ml / day (10g) to a large horse (550 kg) in feed yields approximately 7 times the RDA. At patella hooking according to veterinary regulations. INGREDIENTS per kg Thiamine 50 g dextrose