How long are OLLY Bars good for? OLLY October 25, 2019 14:42 Updated Follow OLLY Bars have a shelf life of 16 months. Related articles How long are OLLY products good for? What type of protein in used in OLLY protein powder? Is there any wheat or gluten in the products? What is different about OLLY Plant Powered Protein? Can I mix OLLY Protein Powders with other liquids besides water? Comments 0 comments Article is closed for comments.