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 What type of protein in used in OLLY protein powder? What is different about OLLY Plant Powered Protein? Can I mix OLLY Protein Powders with other liquids besides water? How is safety, purity and quality ensured? Do I need protein if I don't work out? Comments 0 comments Article is closed for comments.