Is splitting up Fin-pills okay?

As you can see this is Fin 5mg - if I’ve understood it correctly 0.5 - 1 mg a day is good? Can I split this in 4 pieces (1,25mg each), and take them every other day? 0.75 mg a day total

Or will it ruin the effect? Will use a pill cutter

As you can see this is Fin 5mg - if I’ve understood it correctly 0.5 - 1 mg a day is good? Can I split this in 4 pieces (1,25mg each), and take them every other day? 0.75 mg a day total

Or will it ruin the effect? Will use a pill cutter