. 2020 Jul 24;12(8):2205. doi: 10.3390/nu12082205

Table 1.

Category 1: Foods high in protein or phenylalanine.

1. Foods High in Protein or Phenylalanine that Are Best Avoided
(a) Foods high in protein (approximately >15 g/100 g)	Meat, fish, eggs, nuts, cheeses, seeds, soya products, Quorn, goji berries, peanut butter, tofu, spreadable yeast extracts. Exceptions: soft cheeses, soya cheese, baked products containing seeds or eggs as an ingredient, baked goods with eggs as an ingredient - these fall into category 3b and are used as part of the exchange system. Eggs contain protein <15 g/100 g. Although they are used as part of the protein exchange system in baked goods, one hen’s egg is high in protein and best avoided.
(b) Foods containing aspartame	Aspartame containing food and drinks (e.g., fizzy drinks, fruit juice, fruit tea, milkshake powders/syrup, smoothies, squash, chewing/bubble gum, desserts, jelly, sweets, tabletop sweeteners).

1. Foods High in Protein or Phenylalanine that Are Best Avoided

(a) Foods high in protein (approximately >15 g/100 g)

Meat, fish, eggs, nuts, cheeses, seeds, soya products, Quorn, goji berries, peanut butter, tofu, spreadable yeast extracts.
Exceptions: soft cheeses, soya cheese, baked products containing seeds or eggs as an ingredient, baked goods with eggs as an ingredient - these fall into category 3b and are used as part of the exchange system.
Eggs contain protein <15 g/100 g. Although they are used as part of the protein exchange system in baked goods, one hen’s egg is high in protein and best avoided.

(b) Foods containing aspartame

Aspartame containing food and drinks (e.g., fizzy drinks, fruit juice, fruit tea, milkshake powders/syrup, smoothies, squash, chewing/bubble gum, desserts, jelly, sweets, tabletop sweeteners).