(I’m looking at you, neon-orange cheese powder and doughnut cheeseburgers.)
Limit foods like pretzels, chips, ice cream, sugary cereals and other not-so-good-for-you foods.
For that reason, the Paleo Diet emphasizes purchasing animal protein that has been raised sustainably.

Not only is that better for the environment, but it may be better for you as well.
Grass-fed beef has more omega-3 fatty acids than beef from cows fed corn and soy feed.
And wild-caught fish are typically more sustainable and have more omega-3s than their farm-raised counterparts.
Why should you care about omega-3s?
Cut Down on Salt:Paleo eaters have put down their salt shakers and so should you.
Cutting back on salt can help improve your blood pressure and minimize other risks of cardiovascular disease.
But decreasing salt doesn’t mean you have to eat bland foods.
One easy sugar swap: instead of flavored yogurts, buy plain and add fruit to naturally sweeten it.
Paleo Diet Caveats:This diet is fairly restrictive and bans all whole grains, legumes and dairy.