✔ Source of bioflavonoids and natural enzymes ✔ Year-round support ✔ Added Ester-C Vitamin C Solgar Quercetin Complex capsules offer a blend of ingredients in capsule form. The bioflavonoid quercetin is combined with Ester-C (a non-acidic form of Vitamin C), acerola berry, rutin and rosehips as well as the natural enzyme bromelian. Using Solgar Quercetin Complex Take two capsules twice a day with meals. About Solgar Quercetin Complex Solgar's advanced quercetin complex combines plant bioflavonoids and natural enzymes for your everyday use. Quercetin is a bioflavonoid found in onions and other foods. Ester-C contains a patented, pH-neutral form of vitamin C that is non-acidic, ideal for sensitive stomachs. The formula also contains acerola berry, citrus bioflavonoids, rose hips and rutin and rosehips, with bromelain. ✔ Source of bioflavonoids and natural enzymes ✔ Year-round support ✔ Added Ester-C Vitamin C Solgar Quercetin Complex capsules offer a blend of ingredients in capsule form. The bioflavonoid quercetin is combined with Ester-C (a non-acidic form of Vitamin C), acerola berry, rutin and rosehips as well as the natural enzyme bromelian. Using Solgar Quercetin Complex Take two capsules twice a day with meals. About Solgar Quercetin Complex Solgar's advanced quercetin complex combines plant bioflavonoids and natural enzymes for your everyday use. Quercetin is a bioflavonoid found in onions and other foods. Ester-C contains a patented, pH-neutral form of vitamin C that is non-acidic, ideal for sensitive stomachs. The formula also contains acerola berry, citrus bioflavonoids, rose hips and rutin and rosehips, with bromelain.