I've been working out from past 6 months and it seems like my strength is not growing anymore. I'm taking a good diet (As my trainer said) but still its not growing. So I've been thinking to take any pre-workout which doesn't harm my body and do not have any side effects. I don't want to spend too much money on those expensive steroids or pre workouts so i asked a person who has a medical shop to get some pre workout sachets but he couldn't find any like exact pre workout but he said that i can take L-Arginine Proanthocyanidin Granules. So my question is that can i take it as a pre workout on regular basis? Or if not then please suggest any... I'll really appreciate Your help. Thank you