2. Pregnant women and lactating women should not drink calendula soaked in water, because calendula contains a variety of active ingredients, which may have adverse effects on fetuses and babies.
3. Children and the elderly must drink marigold carefully and drink it in moderation under the guidance of a doctor.
4. Patients should not drink calendula soaked in water before operation, because calendula may affect platelet aggregation and increase the risk of bleeding during operation.
People who are allergic to calendula should not drink calendula soaked in water.
6. Picking marigold from unknown sources in the wild may have pollution and toxicity problems, so it is not suitable for drinking. It is recommended to buy marigold flowers with guaranteed quality from regular markets or pharmacies.