Truth is, most folks consuming a western diet could consume less than a quarter of their current protein intake and still be healthy in the long term (probably healthier)

The Typical Weekly ration for 1 person /week during WW2 in the UK consisted,



Butter: 50g (2oz)
Sugar: 225g (8oz).
Bacon and ham: 100g (4oz)
Margarine: 100g (4oz)
Milk: 3 pints(1800ml) occasionally dropping to 2 pints (1200ml).
Eggs: 1 fresh egg a week.
Tea: 50g (2oz).
Cheese: 2oz (50g)
Sweets: 350g(12oz) every four weeks
Jam: 450g (1lb) every two months.
Dried eggs 1 packet every four weeks.

Fruit and vegetables weren't generally rationed and the diet was supplemented somewhat by Government restaurants and works canteens.

The British population at the time were never fitter than when rationing was in place and when people were producing their own fruit and vegetables.

Generally, when the cats and dogs start dissapearing, then starvation is the name of the game, after which, within a week or two, so do some of the people.