What is Blue Pill L368? The pill with the imprint L368 is Blue, Elliptical / Oval and has been identified as Naproxen Sodium 220 mg. It is supplied by Goldline Laboratories, Inc.. Naproxen is used in the treatment of back pain; ankylosing spondylitis; bursitis; neck pain; tendonitis and belongs to the drug class Nonsteroidal anti-inflammatory […]