Pre-workout typically lasts in your system for about 4 hours. Try starting your first dose about 4 hours before you plan to work out.

Try Vintage Blast for a sustained-release pre-workout. [4] X Research source

Look for brands like Gorilla Mode, 4 Gauge, or Pre-Lab Pro. [5] X Research source

Only about 30% of pre-workout users experience itching and tingling.