Is there any harm in taking Stretching Herb for a long period of time?

The dangers of prolonged use of elastica are currently unknown.
Elongation herb is the dried whole grass of the stone pine plant of the stone pine family. It is bitter, slightly pungent and warm in nature; it belongs to the liver, spleen and kidney meridians. It has the efficacy of dispelling wind and removing dampness, and relieving tendons and activating collaterals. Clinically, it can be used for the treatment of joint pain, flexion and extension unfavorable.
Pregnant women and people with excessive bleeding should not take Cordyceps Sinensis. The adverse reactions of Zhen Zi Cao are not clear, if used together with other drugs may occur drug interactions, please consult your physician or pharmacist for details. Diet should be light, avoid smoking, alcohol and spicy, cold, greasy food.
If you need to use the elixir to treat the disease, must be used under the guidance of a professional doctor.