There is provided a method of regulating the formulation of a multi-component beverage comprising a beverage attribute profile, the method comprising providing a first and second component of the beverage, each component having a component attribute profile; supplying to a beverage formulation zone the first component and the second component in a desired ratio and mixing the first and second components together to provide the beverage or a precursor thereof to yield a target beverage attribute profile; responsive to a change or predicted change in at least one component attribute profile, supplying information concerning the attribute change to a data processing apparatus and calculating with respect to that change an adjustment in the ratio to reduce the deviation of one or more attributes of the beverage attribute profile from the target beverage attribute profile. A production system is also provided.