If you've noticed sometimes your supplements aren't don't stay the same colour, here are a couple of key reasons why: 1. As the types of minerals and trace elements are naturally occurring ingredients, there will always be a colour variation from batch to batch.
2. Sometimes the legal standards/competition rules change. As an example, iron oxide was disallowed in Jan 2019 and so the red/pink colour has disappeared from our EquiSkin product.