So, let me do some math here.
A 260lb bodybuilder is 118 kilograms.
30mcg/kg is 3540mcg... or 3.5 mg of DAC
60mcg/kg is 7080mcg... or 7mg of DAC
125mcg/kg is 14,750 mcg... or 14.7mg of DAC!
250mcg/kg is 29,500 mcg.. or 29.5mg of DAC!
To get into the "sweet spot", in terms of effects, it looks like a 260lb man would need to use at least 7mg of DAC (that's 60mcg/kg)
To get maximum results, a 260lb man would be needing 29.5mg of DAC. That seems ridiculous, considering that would cost like $290 a week.