• Ester-C® contains active vitamin C metabolites including L-threonate which enhance cellular absorption and retention
• Ester-C® has a clinically proven higher bioavailability and retention rate than other forms of vitamin C

Ester-C® Supreme provides advanced immune support and is enhanced with bioflavonoids from berries recognized for their antioxidant properties, immune-boosting Larch arabinogalactan, and quercetin, another powerful antioxidant with anti-histamine properties, particularly beneficial during allergy season.