this post was submitted on 18 May 2026
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Zero-Carb food weight ~350g/day (hackertalks.com)
submitted 1 day ago* (last edited 23 hours ago) by jet@hackertalks.com to c/carnivore@discuss.online
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Some napkin math:

Zero-Carb 350g/day: a 550kg ready for market cow yields 300kg of meat and fat, depending on how you model the burn rate of an adult that gives you enough energy for 12-20 months... Lets say 2600kcal/day so about 16 months - with daily protein at 100g, and fat at 250g.

I personally eat 300-500g per day on zero carb, so this math maths for me.

SAD - 1,200g/day: Let's compare that to the standard american diet: Estimated about 1.2kg/day https://www.epa.gov/sites/default/files/2015-09/documents/efh-chapter14.pdf (table 14-3)

wfpb - 2,300g/day: Whole food nutritionally complete plant based eating pattern, using https://www.mdpi.com/2076-3417/16/1/257 for the nutritional template - taking their food plans for a 2,200kcal/day and scaling it up to 2,600kcal/day gives roughly 2.3kg

This puts zero carb as much more efficient energy density:

  • Zero Carb (ZC) - 128kg food per year
  • SAD eats 342% more, 438kg food per year
  • WFPB eats 657% more, 840kg food per year

No wonder pemmican was so vital for early explorers

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[–] jet@hackertalks.com 3 points 23 hours ago* (last edited 23 hours ago)

FWIW This may explain why so many carnivores end up eating one meal a day

Records of arctic explorer expeditions list pemmican rations at 300-600g/day... and those guys were working HARD, major energy requirements

This might also explain why so many people report gut issues resolving on carnivore, less food, less total time per day processing food, more time for the gut to rest. If your eating 3kg of food, it's probably going to be spread out over the whole day, and the gut will be working the entire time.