Z-flex provides relief in cases of prolonged and disabling problems thanks to its ingredients: horsetail (equisetum arvense) is rich in mineral elements such as silicon. The assimilation of silicon plays an important role in calcium metabolism, participates in cell reconstruction and provides extra relief to the joints. Meadowsweet (spiraea ulmaria), a source of salicylic acid, combined synergistically with cassis makes it even more effective. The floral essences of dr.bach will allow to stabilize the emotional state. It is recommended to take a capful (10 ml) between main meals, twice a day. it is recommended to take the supplement for a month two to four times a year. It can interact with the concomitant intake of certain medications, especially iron and calcium (half an hour of waiting is enough). If used for a long time, it is advisable to control the iron levels in the blood. Do not take this product if you are allergic to aspirin. Do not take this product in case of gastroduodenal ulcer.