In the first half of Silo, Juliette spent her time trying to get her memory back after being dosed with Vitamin D+. So instead of releasing the Vitamin D+, she tries every other option, including sending exterminators into the mines while people are still in them. “You need to introduce Vitamin D+ into the water supply as soon as possible.” Silo Vitamin D+ twist just brings up more questions“If everyone forgets who she is, she won't matter anymore,” Camille replies. “Vitamin D+ entered the water system two hours ago.”