In the article "What is the limit on the consumption of legal stimulant substances?" in S Moda magazine, they discuss the limit for consuming substances that provide an extra boost of energy, such as taurine, guarana, creatine, and more...

How much of stimulant substances can we take?

Taurine, guarana, creatine, ginseng, ginger, and caffeine are legal. These substances are not addictive on their own, although their effects can be enticing. According to a study conducted by rkopharma, more than half of Spaniards have consumed such supplements on occasion, with royal jelly being the most requested.