Calcium pidolate
What is Calcium pidolate?
Calcium pidolate (CAS 31377-05-6) is a calcium salt of pyroglutamic acid used as a bioavailable calcium source in nutritional and pharmaceutical applications. Also marketed as Efical and Calcidone.
Where is Calcium pidolate used?
- Pharmaceutical manufacturing: oral calcium supplements in tablets, sachets and effervescent formats
- Functional food and nutraceutical: fortified beverages, dairy alternatives and clinical nutrition
- Animal feed and veterinary nutrition: mineral supplement for calcium deficiencies in livestock and companion animals
- Sports nutrition: electrolyte and recovery products for bone and muscle support
- It offers superior gastrointestinal tolerability compared to carbonate or citrate forms.
Good to know: High solubility and tolerance profile make it a preferred alternative to conventional calcium salts in targeted supplementation formats.
Commercial specifications
- Typically conforms to USP or in-house monograph standards
- Packaging from small R&D quantities to bulk commercial quantities
Other Names (Synonyms)
Efical|7Y2LVU5EKK|CALCIDONE|CALCIUM PCA|RefChem:122896|L-Proline, 5-oxo-, calcium salt (2:1)|Proline, 5-oxo-, calcium salt (2:1), L-