A pharmacist recent conducted a study of the quality of insulin. He tested 18 vials, purchased at pharmacies, and found that on average the vials had less than half what was listed on the vial. But were his methods accurate, and does such a small study really mean anything? Insulin makers, advocacy groups and diabetes experts all urge patients to continue taking their insulin as prescribed. They are also looking to create a substantial study that can provide more solid data about insulin quality, and hopefully allay patient concerns. Read more