Simply Thick Causes Life-Threatening Necrotizing Enterocolitis In Premature Infants http://www.medicalnewstoday.com/articles/226169.php We use Simply Thick for E and received this same warning from the company. If you know anyone with a preemie, please send this to them so they are aware. It’s important to empower the parents so they can be aware and educate themselves when consulting with the doctors and nurses. NEC signs and symptoms include bloody stools, greenish vomit and bloated stomach. Continue reading Important Notice if you know anyone with a #preemie born before 37 weeks, please pass along.