I have no idea what this setup is called, but I do have a visualization of what Iām trying to do.
(see below)
Each product has single attributes like SKU, name, category etc. The ingredients consists of two parts (actually three, but to keep it simple two parts): the ingredient name (which I want to have stored centrally in a table) and the amount.
I this setup possible? And if so, how? Oh and crucial, I would like to export the data to excel so I can import it via WP All Import to ACF.
Many thanks in advance! 
Hi @Dagaloni
We support following relation types:
- many to many
- has many (=many to one)
- one to one
- belongs to (=one to many)
You can find detailed information on how to create them on our documentation.
Also we have a video on relations which uses a related sample (Product - Details - Orders..) make sure to check it out on youtube.
For your use case (if I understand it correct) you need to create following relations between tables:
- Product Ingredients ā Products (Has many)
- Product Ingredients ā Ingredients (Has many)
Note that corresponding one to many relations (belongs to) will be automatically created.