For almost every food the average American eats, you can google, "calories in specificfood" and get the nutritional breakdown for macros. Occasionally you won't find it. Very occasionally, like calories in bison liver, for eg. But if they sell it at Walmart or Safeway, you can probably find it.
"Now I'm just another anonymous shut-in with an online shopping addiction." - Georgina Sparks.
"I puked like a hero for the rest of the night." - Anthony Bourdain, 2002.
"Brain: an apparatus with which we think that we think." - Ambrose Bierce