The gallbladder is a small pear-shaped organ that sits on the right side of our bodies just beneath the liver. Its primary function is to store and secrete bile. Bile is a yellow-brown fluid produced by the liver, which helps us digest fats. Our liver produces up to three cups of bile a day. Our gallbladder can store up to a cup of bile as it awaits a fatty meal.
When we eat, our gallbladder contracts and pushes bile into the small intestines where it helps with the digestion of fats. Bile is made up of water, cholesterol, fats, bile salts, proteins and bilirubin. Under certain conditions, substances in the bile, especially the cholesterol or bile pigment (bilirubin) can harden into stones