What substances would you find in dried lettuce?

Well, darling, in dried lettuce you'd find the same substances as in fresh lettuce, just in a more concentrated form - water, fiber, vitamins (like A and K), and minerals (like potassium and calcium). So, if you're looking for a crunchy way to get your nutrients, dried lettuce might just be your jam. Just don't expect it to taste as good as a fresh salad, honey.