Depends on your tolerance, if you don't normally consume caffeine 200mg will rock your world. If you swallow starbucks like it's going out of style you may need 1,000 mg to feel anything, it's like any drug.
Depends on your tolerance, if you don't normally consume caffeine 200mg will rock your world. If you swallow starbucks like it's going out of style you may need 1,000 mg to feel anything, it's like any drug.