doar bio bucharest kidsDora Bio is a website with a list of bio farms and shops.  Although it is in Romanian, you can use Google Translate to find the produce you need.

Website: https://www.doarbio.ro/
Basic food: https://www.doarbio.ro/magazine-bio/alimente-de-baza/c1
Meat: https://www.doarbio.ro/magazine-bio/produse-din-carne/c5
Farms: https://www.doarbio.ro/ferme-bio.html