As individuals approach retirement, navigating the complex landscape of healthcare becomes increasingly crucial. Medicare, a federal health insurance program for individuals aged 65 and older, forms the backbone of healthcare coverage for millions of Americans. However, even with Medicare, there are gaps in coverage that can lead to out-of-pocket expenses. This is where Medicare Supplement Insurance, also known as Medigap, comes into play. In this article, we will delve into the details of what a Medicare Supplement Insurance policy covers, offering a comprehensive understanding of the additional protection it provides.