It's a single-celled protein combined with synthetic aminos, vitamins and minerals. Everything the body needs.
8 seconds sound clip from the The Matrix movie soundboard.
You can hear this line at 01:06:07 in the Blu-ray version of the movie.
Quote context
[...]
- Maybe what I think Tasty Wheat tasted like actually tasted like... oatmeal or tuna fish.
- That makes you wonder about a lot of things.
- Maybe they couldn't figure out...
- It doesn't have everything the body needs.
- So, I understand that you've run through the agent training program.
- You know, I wrote that program.
[...]