Breastmilk should be enough. Just difficult to source.
this post was submitted on 09 Feb 2026
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With enough body fat, sprinkle in a bit of electrolyte and maybe vitamins and that's all you need.
I remember reading of a supervised case like that, many months of not a year. I couldn't find it with a quick search.
My mum said when she had no money she lived off eggs, rice, spring onions (which you can just continuously regrow from the bulb) and dried fish.
I don't know the nutritional facts of this meal, but it worked for her.
If you switch out the fish for chicken or something like spam or corned beef, and add onions and garlic, that'll do me.
What was the joke again…
“Humans can survive off a diet consisting of potatoes and butter, as demonstrated by a years long case study commonly known as Ireland”
Something along those lines.
yikes, scurvy much?
try brocolli and eggs
Potatoes are A ok against scurvy (unlike eggs alone who can come along for the ride though, because hash brown and fried eggs, yum)
Think it's important to point out that they didn't do that by choice.
If you could only have one food, potatoes would be a good choice.
Egg-bread & scrambled-eggs ( with a multivitamin every other day ) can get you FAR, ultra-cheap ( if you ever need to get through a month on nearly-nothing ).
( obviously this isn't long-term, this is short-term-survival stuff )
add-in carrots, if you can.
A bit of broccoli makes a BIG difference in one's health.
Do what you can to get some omega-3's into you: our bodies can't make them, & if our bodies have to make omega-6's & omega-9's, apparently they just run mitochondria backwards, to do it.
Even a tablespoon of olive-oil / day will help your body keep functioning.
I don't have the expertise to answer the question, but I'm sad that so many answers here are jokes, or five word answers that aren't at all helpful :-(
Was really interested in this and hoped there'd be some knowledgeable people out there to educate us on this stuff!
Potato
I've often heard repeated that a human can live on water, potatoes, and salted butter basically indefinitely.
Not sure how true, but seems plausible.
Before the 1840s, Irish farmers lived on.potatoes and milk, with the odd herring in winter when milk was harder to come by. Not a pleasant diet, and you're buggered if the potato harvest fails, but definitely doable.
"beriberi" is malnutrition: it means literally "i cannot".
You become .. not very able to do what you need to do, to survive, on this kind of diet, fairly quickly.
- Rice
- Beans
end of list
B12?
--Edit--
And on closer look also (at least) fatty acids, calcium and iodine.
You're missing a bunch of micro nutrients which would cause problems over time with this. It has all the calories and protein you need though.
Add in some fat from somewhere like cooking oil, and a handful of vegetables like onions, carrots, etc. and you'd last a fairly normal human lifespan.
Vegetables often contain oil, the problem is getting omega-3's, which our bodies can't make.
In the sea, it's algae who're producing it: then krill, then squid/fish/etc eat them..
some plants make it, some don't..
olives are good, olive-oil, etc..
but anybody who's eating squash is getting omega-6's or 9's, even though it seems non-intuitive.
Any particular type of beans? Red? Black? Lentils?
Does the type of rice matter?
I’m intrigued by this possibility.
Afaik pretty much any kind of cereal with any kind of legume provide the essential amino acids needed by the body. Both of them have protein, but not the full set of amino acids that the body requires in a certain proportion.
Idk about vitamins, though.
Does the type of rice matter?
Yes; make sure it's whole grain. White rice is essentially junk food, with most of its fiber, vitamins & minerals stripped in the de-hulling process.
I have a sack of white rice to eat through... I don't really know what to do with it all. My partner got it from work. Would rather basmati rice really.
Cool - thank you! That makes sense. I know there are so many types of rice, so I’ll do some research too.
Listen, taco bell has maybe 10-15 ingredients and has an infinite menu item…
For real, steak.
Its the ultimate elimination diet
Beef is very nutrient dense and contains all the nutrients a human needs
The carnivore diet is a thing, and it is just: beef, water and salt.
Most people who do this, do branch out after a while and add eggs, fish, liver etc
As long as you're okay with being the least climate-friendly and probably having cancer by the age of 50. People need fibre.
If we are counting singular food items, surely haggis would be a better choice for mixed nutritional values. Both are probably lacking vitamin C though so I hope you like scurvy.
You might want to have an orange now and then.
Sprinkle a bit of lemon juice over the steak.
I'd be worried about purines. A diet of pure steak would likely lead to an insane case of gout, which is a buildup of uric acid crystals in your joints... which ranks pretty high on the list of excruciatingly painful things you can be diagnosed with.
Does Soylent count as 1 item?
god I miss Soylent. Cooking/eating is a huge burden for me (depressed and lazy) so I drank the heck out of Soylent when I was in the US. Now in Japan the only thing close is Calorie Mate and it's not nearly as good/nutritious. :(
I’m in the US and have only ever had Huel. It’s an amazing product so I’d recommend that if it’s available there (the company started in the UK so it’s not US-centric at least).
I think it might be available on Amazon here, I'll check it out! Thanks~
Eggs and potatoes?
I love food way too much it's probably like 15 to 20.
spoiler
- soya milk
- one type of cereal
- lets count uncooked eggs as 1 food type because i get to process them into any type i want
- dairy free butter
- olive oil
- rapeseed oil
- salt
- pepper
- pork ham
- chicken
- onions
- peas
- spinach
- sweet potatoes
- normal potatoes (i can now fabricate various flavours of crisps, yippee!)
- sultanas
- bananas
- tea OR coffee! Toss-up between the two.
- carrots
- wheat flour
- rice
- tomatoes
- pasta (some limit to what I'm willing to make myself)
- sourdough bread
- soya yoghurt
- apples
- oranges
- strawberries 28... i'm gonna stop listing stuff before I sound like a fat ass
Potatoes, butter, salt, molybdenum.
I pretty much live off energy drinks and rice rn.
Buy dried legumes to get proper protein. Both cereals and legumes have protein, but not the full set of essential amino acids. However they complement each other in this regard, hence people living their entire life on rice, beans, and some fish.
I'd also advise looking into cheapest vegetables and making a salad out of them. Where I am, it's potato, carrots, and beets — coincidentally the ingredients for a traditional salad. They can be cheaper than rice.
My dude, do you need some easy recipes? That can't be good for your mental health.
No.
I need money to be able to afford better food.
Oh I can give quick, easy, and cheap, with a heavy emphasis on cheap. In another comment I was gushing about carne de soya, you can get the equivalent of a pound of 90/10 ground beef for $0.97. You toss it in a slurry of sauce or seasoning and it becomes instant sausage with the exact same texture as ground pork.
Even baring that, just adding beans and lentils into your rotation can be a game changer. Good health and sleep is the strongest act of rebellion any one person can commit to.
oatmeal, rice, beans, tomatoes, spices, broccoli. each of those foods is truly non-negotiable for me and without one life is not worth living. thanks.
Chicken, broccoli, coffee, cream, cashews, olive oil, some cheese and spices, blueberries. That's 95% of my diet right now, and for the past four years or so.
Could I "survive" on less? Of, course. Do I want to? No. But, I may need to in the future.
Ah yes. The low carb low cholesterol diet of diabetics with cardio trouble.
I can do this when everything else in my life is on track, but when I'm depressed or anxious it's all I can do to put any kind of food in my belly. I fell off the wagon about a year ago.
Keep fighting the good fight.
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