"Loaded with sodium" is what the agrolobby wants you to think. If you knew what goes into supermarket burger patties I guarantee you would never want to touch them ever again. Look up nitrates for starter, which is used as a preservative in some meat products: burgers, hotdogs, cold cuts.
https://bubbafoods.com/nutrition/bubba-angus-beef-2lb/
Ingredients: beef
https://www.beyondmeat.com/en-US/products/the-beyond-burger
Ingredients: a bunch