Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
Caffeine, CAS 58-08-2, is a trimethylated xanthine that acts as a potent central nervous system stimulant. At higher doses, produces tachycardia.更多 >>
Caffeine, CAS 58-08-2, is a trimethylated xanthine that acts as a potent central nervous system stimulant. At higher doses, produces tachycardia. 更少<<