Finally got to versa 1 page with ingredients

[lronFist]

You don't have an understanding of half-life or bioavailability. These are not determining factors of effectiveness.

If you had independent thought, you wouldn't follow one man's advice blindly...

Caffeine: Bioavailability - 100%, Half-life - 5 hours
Ephedrine: Bioavailability - 85%, Half-life - 3-6 hours
Clenbuterol: Bioavailability - 95%, Half-life - 42 hours
Higenamine: Bioavailability - 2% (rabbits), Half-life - 8 minutes (humans)