Dee Dat Jow is the Cantonese for die da jiu, fall and strike wine; Shaolin is the name of the famous Chinese monastery where martial arts were practiced and developed. This formula was orally transmitted by the 37th Patriarch of the Shaolin monastery as contained in Secret Shaolin Formulas for the Treatment of External Injury. Note: The date on the bottles of Blue Poppy products is the manufacturer date (the date the product was made). For maximum efficacy, Blue Poppy suggests using their encapsulated and tableted formulas within 5 years of the manufacturer date; liniments within 5 years of the manufacturer date; ointments and skincare within 2 years of the manufacturer date; and pediatric formulas within 36 months of the manufacturer date.