Frontloading 101 - to inject double your dosage in your first injection only. Not double the entire week.
Example. 500mg Test E injecting twice a week.
Without frontloading:
Monday: 250mg in system
Thurs: 250mg + 125mg still in system. (search half life if you dont understand)
Weekly average: 250mg in system (Week high mg=375 week low mg=125)
Week 2 average: 339mg
With frontloading:
Monday: 500mg in system
Thurs: 500mg + 250mg still in system.
Weekly average: 500mg in system.
Week 2 average. 445mg