Herbs are most potent when collected at a time of optimum potency, preserved and used before the decrease in strength (period of saviryataavadhi). The time of administration of medicine is also essential. Date of manufacturing and expiry dates are printed on the label of drugs guiding the patients to use them in a definite period of optimum potency. The physician advises the administration time of drugs because every drug has a specific half time and rate of clearance, indicating the significance of kala. | Herbs are most potent when collected at a time of optimum potency, preserved and used before the decrease in strength (period of saviryataavadhi). The time of administration of medicine is also essential. Date of manufacturing and expiry dates are printed on the label of drugs guiding the patients to use them in a definite period of optimum potency. The physician advises the administration time of drugs because every drug has a specific half time and rate of clearance, indicating the significance of kala. |