[freeflight]

> Do you have any examples of products that are meant to be a meal replacement, and that contain all necessary nutrients?

The tube feeds [0] are pretty much exactly that. Those Fresenius ones are not flavored but other manufacturers, like HiPP/Abbot, even have flavored tube feed, as some tube patients like having the flavor come up when they have to burp.

A step closer are the "nutritional supplements", which is a weird name for it in German we call it "Trinknahrung" which literally translates to "liquid nutrition". These are usually flavored and come in a variety of forms, like powder or even puddings.

I've "eaten" the stuff sometimes for diet or after tooth operations, it's pretty okayish when cold, like a milkshake. The biggest issue is that you have to be really careful about how fast you drink it until your digestive system adapted to the high-calorie contents, as drinking too much too fast will also make it come out too fast, so to speak.

[0] http://www.fresenius-kabi.co.uk/4347.htm

[d0lph]

Where can I buy a tube feed exactly?

Do you have any examples of Trinknahrung?

[freeflight]

Pharmacies, Amazon, even eBay. Afaik Fresubin 2Kcal DRINK is the highest calorie Trinknahrung from Fresenius. Amazon.com doesn't offer that many, what's there is quite expensive [0]. Never realized this stuff is so rare outside Germany, until now.

In contrast, Amazon.de has a wide selection of different high caloric Trinknahrung, the Fresenius stuff even has Prime delivery [1].

[0] https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Da...

[1] https://www.amazon.de/s/ref=nb_sb_ss_c_1_17?__mk_de_DE=%C3%8...

[d0lph]

It looks like you are not meant to live off of Fresubin. Just 2 bottles, or 800 calories is certainly not enough.

> 2 x 200ml bottles per day will provide 40g protein, 800kcal and meets the average adult recommended daily requirements for vitamins and trace-elements# (DOH 1991).

You would need to drink 5 bottles to meet average calorie requirements. I don't know if there are health risks to consuming 2.5x above the daily requirements, but it was clearly not designed to be a total meal replacement.

[freeflight]

> It looks like you are not meant to live off of Fresubin. Just 2 bottles, or 800 calories is certainly not enough.

The DRINK bottles are designed as a supplement to the tube feed, but it's all pretty much the same stuff with the main difference being that DRINK is flavored for oral consumption.

> I don't know if there are health risks to consuming 2.5x above the daily requirements, but it was clearly not designed to be a total meal replacement.

There ain't and it is. How do you think people with jaw/throat issues keep on eating? Larynx cancer is very common, just like many other cancer types directly affecting the mechanical ability to chew/swallow. I've patients living only on that stuff for over 10 years, still living.

Tbh I'm kinda surprised how skeptical you seem of something which has seen decades-long successful medical application [0] and has its roots in NASA research for astronaut nutrition, which rates among the most solid food-science we have.

Fresubin 2Kcal DRINK isn't the only variety, Fresenius has literally dozens of other varieties for the sole purpose of adapting the diet to the patient from low caloric, to fibre, to diabetic, pretty much all the manufacturers do because peoples nutritional needs are individual.

And that's just enteral, going parenteral you can get all your food/water/nutrients from 1-2 infusions per day. Tho the port [1] used for such applications is still a pretty big infection risk.

[0] https://en.wikipedia.org/wiki/Medical_food

[1] https://en.wikipedia.org/wiki/Port_(medical)

[d0lph]

I am aware there is something for medical use people may consume.

The main thing is these are meant as a supplement, not for you to live off of, as opposed to Soylent.