Replenishment is the process of restocking products so that they remain available to customers, either by ordering from suppliers or by moving stock from a warehouse or another store. Good replenishment keeps shelves full without building up excess inventory.
Replenishment can be triggered in several ways. Reorder points prompt an order when stock falls to a set level, which accounts for lead time and a safety buffer. Periodic review checks stock at regular intervals and orders up to a target. Forecast-driven approaches calculate quantities from expected demand, and some systems create suggested purchase orders automatically for a person to approve.
Retailers also replenish within the store, moving product from the backroom onto the shelf, and between locations, where a distribution centre sends goods to stores. Click and collect and online sales add pressure, because the same stock may serve several channels. Hospitality venues replenish ingredients and beverages based on par levels and expected trade.
Pitfalls include relying on inaccurate stock counts, ignoring lead time variation, ordering by habit instead of data and leaving fast sellers on slow review cycles. Minimum order quantities, case sizes and supplier delivery days also shape what is sensible. Setting different rules for fast and slow lines, and reviewing them regularly, helps keep results on track.
Replenishment matters because it connects forecasting to the shelf. Done well, it reduces stock-outs, trims overstock and cuts the manual effort of ordering across many products and stores.