You'll need more food and water than you think.

[Prepper1]

I did see an article somewhere that stated that if severe physical output is required you can up the calorific requirements to 5 to 6000. I dont think thats going to be an option. I cant physically store foods like that. What ut mean is as well say you et some bacon post shtf, you eat all the fat as well not just the lean meat. You eat the marrow from bones etc. Ive got ulti vitamins with minerals in my stores, that way at least my body will be getting some of what it needs if times are lean for a while.

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Excuse the spellings i posted from my phone!!!!