I used to eat ground beef and lamb a lot a couple years back when I first started peating and seemed to have no issues at all with it but in the last year I haven't been very lucky with ground meat. I'd say I get flu like symptoms (stuffed nose, sore throat, aching muscles especially shoulders and arms) about 70-80% of the time when I meat ground meat nowdays.
Sometimes it is within 30 minutes of eating the meat, and I can be feeling fine beforehand but feel awful for a couple days after.
I always have some sort of carb source with my meat and I don't get this reaction from other protein sources like eggs, cheese or even collagenous cuts of meat.
What's happening with the ground meat from the supermarket that is causing such awful feelings? All insight is much appreciated