Well, BCAAs generally take around 30 minutes varying from individual to individual to get mixed in the bloodstream. It can not be determined precisely how long it takes to see results from BCAA, as it depends on a lot of factors. For example, the quality of your BCAA supplement, the intensity of your workout, the rest you are taking. However, considering the ideal conditions and noting that the individual is consuming the high-quality Vegan BCAA Prime Series by Muscle Trail, it takes around 10 days to witness the results. You should divide your BCAA supplement consumption and take half of the dosage before exercise and the other half after the exercise.