looking for quantity of powder that small size gel caps will hold, 1-5, need to 1/3 a capsule for a dog. 150mg

Question

Need to give a dog 50 mg of 150 mg capsule of mexiletine and have 1/3 the dose. It is very bitter and "numbing". Need to find right size gelcaps at best price to divide the powder into. Does anyone know what size capsule the mexilitine 150 mg is?

Answer 1

The health food store has empty gel caps.