The amount of two cups a day is ok, but it is recommended not to drink too sweet. See below for analysis and explanation.

A large number of experiments have proved that drinking a cup of coffee before fitness can be more conducive to exercise and fitness. The effect of caffeine can last for an hour. In this one hour, the human body can lift heavier weight than usual, which can often be a breakthrough aid for trainers when they encounter bottleneck period. At the same time, caffeine can also promote fat burning and improve weight loss efficiency. This makes many famous bodybuilders like to drink coffee before training, which can make them excited; It can also make the body in an ideal state and achieve the maximum fitness effect in a short time.

Griffith University in Australia and the University of Queensland once published a study, in which they tested the energy consumption and fat consumption in three situations: coffee+exercise, simple exercise and no coffee and no exercise.

The exercise in the experiment is an hour's riding. The results show that drinking coffee+exercise consumes energy and fat, and the effect is outstanding!

An experiment in Taiwan Province Province found that coffee can restore damaged muscle strength and relieve muscle soreness after exercise. The researchers asked exercisers with high physical fitness and those with low physical fitness to consume 10mg/kg of caffeine or placebo respectively, and measured their muscle strength after muscle soreness.