Biofreeze is the pain reliever of choice for chiropractors podiatrists physical therapists occupational therapists massage therapists and athletic trainers. Biofreeze contains an herbal extract from a South American holly shrub known as ILEX to create a fast-acting deep-penetrating long-lasting pain reliever. It's critical for treating: Sore or strained muscles shoulder/arm discomfort neck hip and leg pain back pain arthritis pain and painful joints. if(typeof P !== 'undefined' && typeof P.when !== 'undefined') { P.when('product-description-fix').execute(function(productDescription){productDescription.fixTableIssue(); }); }