As long as drugs, there is some toxicity. Ancient Chinese medicine has been known as "poison."
“for diseases, some are protracted and some are newly contracted; for prescriptions, some have a large quantity and some have a small quantity; for properties, some medical herbs are strong, even toxicant and some are not; and there are certain rules to take them. Medical herbs with strong medical properties should be ceased when the disease is cured by 60%; medical herbs with not so strong medical properties should be ceased when the disease is cured by 70%; common medical herbs should be ceased when the disease is cured by 80%; medical herbs without toxicity should be ceased when the disease is cured by 90%. After the medical herbs are ceased, the patients should take cereals, meats, fruits and vegetables to maintain healthy body energy, and to increase a self healing ability to eliminate all the remaining evil disease. All medical herbs should not be overtaken; it will be harmful to our health”. (Quoted from <
Traditional Chinese medicine has always been drug, not food. What kind of drugs have no "toxic"? You can not just eat lisinopril without prescription? You can not just take antibiotics without prescription. Can you put Penicillin mixed with food, to be a food or a supplement to fight infection? Mixing sleeping pills with drink, as a drink of sleeping helper.
On the other hand, Does all kind of food is no "poison" for every one? As the saying: "eat too salty, it may increase blood pressure”. Can you say salt poisonous? Some people eating radish diarrhea, eating lamb mouth sores, eating pepper hemorrhoids, take peanuts will be allergic or asthma, and some even eat peanut allergy died, and how no one said radishes, lamb, peppers, peanuts poisonous then?
So, in a sense, a thing is food, nutrition supplements, or medicine, to a large extent depends on the dose and whether symptomatic.
Food, nutrition supplements, drugs, no clear boundaries between them, but there are strict distinction. According to their effect on the strength of the human body, can be given the following coordinates:
From the above table we can see that some Chinese herbal medicine can be food, some can be a nutritional supplement, some are just drugs.