GSE CitroPlus Liquidum is a high-quality dietary supplement in drop form, made from an 84% glycerin-based extract of grapefruit seeds and peels. Enriched with Vitamin C, it provides 73 mg per serving, covering 91% of the recommended daily intake to support a healthy immune system. This convenient liquid formula is free from fat and easily absorbable. Simply mix the drops with plenty of liquid as part of your daily health routine.