Supplemental insurance provides Medicare beneficiaries financial protection if they suffer from an illness or injury. This protection is if they suffer from an illness or injury. It can help cover co-pays and deductibles, which Medicare does not pay for alone. Both of these costs are not covered by Medicare. Additionally, it can provide coverage for services not included in the scope of coverage that Medicare provides. For example, Medicare does not cover dental and vision care, but private insurance plans cover them. By purchasing Medicare supplemental insurance coverage, one can make the financial burden of medical expenses more manageable and, as a result, find it easier to deal with them. This is because the financial burden is reduced.