Preservatives used in empty hard gelatin capsules can vary depending on the manufacturer and customize intended application. Some common preservatives that might be used include:
Parabens: Methylparaben, propylparaben, and other parabens are sometimes used as preservatives in gelatin capsules.
Sodium benzoate: A commonly used preservative in pharmaceutical and food applications.
Potassium sorbate: A natural preservative used in some gelatin capsule formulations.
Eva Grow Preservative-free empty hard gelatin capsules products are designed without added preservatives and making them suitable for sensitive applications.