Obviously this is based massively on current fitness levels, but I really don't find Tim's four hour body suggested workout that challenging or invigorating so invented my own, based on interval training and tabatas, which are conventionally thought to be the best workouts for fat loss.
I think I will probably use a workout like this 2 days a week, to supplement my 3 times a week personal training and 1 run a week. I do want to do a bit more running than I have scheduled for, but don't want to overdo it.
Be warned that this is going to be pretty advanced, especially if you're new to using kettlebells so do be careful.
