[header] How to choose biodynamic foods [title] Identify foods that are certified biodynamic. [step] For a food to be certified biodynamic, it must meet certain criteria set by a regulatory non-profit agency, demeter usa. Once those criteria is met, demeter usa allows this food to be labeled with a biodynamic certification mark. 
[substeps] This certification mark has the words " demeter " across its top, the words " certified biodynamic " across the bottom, and the image of a plant sprouting in between. [title] Purchase biodynamic food from local producers.