Our version is a 7:1 concentrated extract in a 750mg caplet. Great Nature Classics are a highly concentrated, thoroughly-tested line of classical Chinese formulas. All Great Nature Classics Chinese Formulas are: Extracted and tableted at a facility that meets FDA cGMP standards; Manufactured using traditional hot water extraction coupled with essential-oil recapturing for maximum potency of the finished product; Third party tested; 7:1 concentration ratio in a densely packed 750 mg caplet provides stronger dosing with fewer caplets; Serving size is 2250 mg or 3 caplets. Note: The date on the bottles of Great Nature products is the manufacturer date (the date the product was made). The manufacturer suggests using the encapsulated and tableted formulas within 5 years of the manufacturer date.