Surprisingly, on this scale, complex carbohydrate foods such as Shredded Wheat and wholemeal bread have a high GI (approx. 70) and raise blood sugar nearly as fast or faster than a chocolate bar. By contrast most fruits and milk - which are rich in sugars - have a relatively low GI (less than 50). Read more: http://www.dailymail.co.uk/femail/article-113379/What-best-time-day-eat-carbs.html#ixzz2nzQy3GGj
Snacking should not be shunned. Eating every three to four hours is actually beneficial in order to keep your metabolism and your energy levels up. Keep this list of clean-eating snacks handy whether you're on the go or just in need of a quick, easy fix.