The global nutraceutical industry is entering a new phase where raw material transparency, clean-label alignment, and premium differentiation are critical success factors. The debate between synthetic and natural calcium has moved beyond elemental composition toward sourcing integrity, impurity control, and long-term brand positioning. By offering MARINCAL™, Caltron Clays & Chemica... https://caltronclays.com/natural-vs-synthetic-calcium-nutraceutical-brands-are-switching-to-oyster-shell-calcium-carbonate-marincal/