Invoicing is a crucial aspect of running a supplement store. It not only helps you keep track of your sales and revenue, but also ensures that your customers have a clear understanding of their purchases. In this article, we will guide you through the process of creating an effective invoice for your supplement store. We will cover the basics of invoicing, tailoring your invoice to the supplement industry, designing your invoice, implementing an efficient invoicing system, and the legal considerations to keep in mind. Let's get started.