Karent Sierra, former 'Real Housewives of Miami',tweets:
"It actually helps you lose weight! I left my Z-BURN at home when I went to Africa, took them last night and finally got a great night's sleep!...I can't sleep without them...love it!"
Travis Stoetzel, Elite Fitness coach and personal trainer tweets:
"I must say Z-BURN is the real deal...I'll be getting more ASAP!"