Private label supplement suppliers USA - Natural What is private label manufacturing? A "private label" product is one that a firm has made by a third party but sells under its own brand name. Every aspect of the product is up to the firm. It includes the product's specifications, how it's packed, and the time it takes until it's delivered to the store to be sold. Read More: https://www.naturalprivatelabel.com/en/private-label-supplement-suppliers-usa/