Workout Start Time
Supplement Type
Powder — Mixed With Water
Capsule or Pill
Coffee or Energy Drink
No Stimulant — Food Only
Caffeine Dose
Caffeine Tolerance
Low — Rarely Use It
Moderate — Daily Coffee
High — Heavy Daily User
Bedtime
(Optional — checks sleep interference)
Clear All
Timing is based on how long each form takes to reach peak blood caffeine, and on caffeine's roughly 5-hour half-life.
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Set your workout time to see when to take your pre-workout
★ Take It At
--:--
Optimal Timing Before Your Session
Lead Time Before Training
0
min
Caffeine Still In System At Bedtime
0
mg