Chobani Blueberry Power Flip Greek Yogurt. Only natural ingredients. Blueberry non-fat yogurt with chia seeds, hemp seeds & walnuts. Milk from cows not treated with rBST. According to the FDA, no significant difference has been found between milk derived from rBST-treated and non-rBST-treated cows. Grade A. Questions or comments Call 1-877-847-6181 chobani.com. 2013.