Cod (fresh)
Only fresh or frozenTrout (fresh)
Just very fresh
Caution
May cause symptoms in more sensitive people. Track your own reaction.
Trout is a freshwater fish with a lower histidine content than marine fish. It is usually tolerated when processed very fresh, but must be processed immediately after catch or purchase. (SIGHS)
Safer alternatives
Suitable
Flounder / Halibut (fresh)
Just freshFresh beef
They must be fresh, not ripening