Biological total flavonoids refer to flavonoids, which are a large class of natural products, widely found in the plant kingdom, and are the effective ingredients of many Chinese herbal medicines. The most common ones in nature are flavonoids and flavonols. Others include dihydroflavonoids, isoflavones, diflavonoids, flavanols, chalcones, orange ketones, anthocyanins and new flavonoids. Its main functions are: protection of the hematopoietic system, protection of the immune system, removal of free radicals, anti-oxidation, and protection of DNA. The KONFONI brand propolis soft capsule produced by Guangzhou Changshengkang Biotechnology Co., Ltd. contains 4.0g total flavonoids per 100g, and the YILUJIAN brand propolis soft capsule contains 5.0g total flavonoids per 100g, which can also help you strengthen your immunity!