Solgar's Full Potency Echinacea/Goldenseal/Cat's Claw has a potency equivalent to 2100 mg. This amount is represented by the total potency of the active herb constituents. It includes the actual milligram weight of the raw herb powder plus the equivalent potency weight of the herb extract. Solgar's Full Potency Herbs include traditional herbals extract in a base of active raw herbs to ensure that the full benefits are derived from the herbs. These products combine the advantages of both raw herbs and their active principles in the form of dry extracts. Solgar's herbal formulas are specially prepared to include all the naturally occurring, synergistic constituents of the herb and not just selected, isolated active phyotchemicals. Solgar's herbal products offer the highest quality, purest herbs available worldwide.