There is currently no official dosage recommendation for echinacea Cichoric Acid
One reason being that findings from echinacea research are highly variable.
In addition, echinacea products often may not contain what is written on the label. One study found that 10% of echinacea products samples did not contain any echinacea
This is why you should purchase echinacea products from trusted brands.
That said, research has found the following doses to be effective in aiding immunity
Dry powdered extract: 300–500 mg of Echinacea purpurea, three times daily.
Liquid extract tinctures: 2.5 ml, three times daily, or up to 10 ml daily.
However, it’s best to follow the instructions that come with your specific supplement.
Keep in mind that these recommendations are for short-term use, as echinacea’s long-term effects on the body are still relatively unknown.