You can split the amp if you need to, no need to inject the full 250mgs eod. if its only 500mgs per week your going to be doing just inject every 3.5 days that will be 500mgs per week. There is no need to do more than 500mgs on your first cycle, you also need hcg at 250ius x 2 per week and also an AI and a solid pct of clomid and nolva