About the product
- Buffered Vitamin C Support: Allergy Research Group Esterol Ester C provides a non acidic form of vitamin C to support immune resilience and antioxidant activity*
- Bioflavonoid and Vascular Support: Includes quercetin, rutin and grape seed extract to support antioxidant pathways, tissue integrity and seasonal wellness*
- Enhanced Uptake Formula: Delivers Ester C calcium ascorbate, a form studied for improved tolerance and cellular utilization compared to standard ascorbic acid*
- Vegetarian Formulation: This supplement is vegetarian to meet unique dietary needs
- Solutions Backed by Science: Allergy Research Group and its family of brandsMetabolic Maintenance, MethylPro, Nutricology and Optimoxhave delivered trusted supplements for more than 45 years