But labels don't have to reveal how much caffeine the products pack. We will. We measured the amount in 27 top-selling energy drinks and shots (see table below). We bought the drinks online or at ...

while caffeine shots contain up to 200mg, and caffeine tablets between 50mg and 100mg.) To have an impact on performance, research points to 3mg-6mg of caffeine per kilo of bodyweight being the ...