1. Drinking sea buckthorn tea in excess can cause diarrhea and stomach upset
2. Long-term consumption of large quantities may lead to liver damage. Because sea buckthorn tea is rich in vitamin C, vitamin E and carotenoids, and excessive intake of these ingredients will increase the body's demand for copper and iron, which in turn will lead to liver damage.
3. For allergy sufferers, it may trigger food allergic reactions, such as rashes and itching.
4. For people with specific illnesses, such as mouth ulcers or stomach ulcers, it may stimulate the ulcerated bits to aggravate the condition.
5. Pregnant and lactating women need to consume it with caution to avoid adverse effects.
So, if in any doubt, it is recommended to consult your doctor first.