[peytoncasper]

I could be wrong, but I think OP meant, choose something to eliminate and do it for 30 days. Then choose to introduce it back in if you wish. This allows you to observe the effect it has on you.

I did this with added sugars. I could definitely feel the cravings to not only eat more as you added it back in but also the baseline cravings to just have some amount of sugar in your body. It is very eye opening.

You also become very aware of how much sugar is in everything.

[browningstreet]

An elimination diet is a protocol where you start with a baseline of "safest" foods and exclude everything for a while, and then.. in an orderly fashion, start to re-introduce foods while noting how you respond or change in light of those additions. It's a protocol, one you can get from a nutritionist or dietician or by searching online. And the food lists can be adapted to people with varying eating modalities.

[dredmorbius]

NB: "Nutritionist" and "dietician" are similar terms which can have very different meanings in practice.

In the U.S., a dietician is a board-certified credential with specific training and licensing requirements.

Nutritionist is a far looser term, though there may be some registration required.

Elsewhere, the terms may be interchanged, or used interchangeably.

Be aware of which you're looking at.

https://www.healthline.com/nutrition/dietitian-vs-nutritioni...

[elmomle]

To clarify, the thing one eliminates is typically a molecule or a food group--the most common are probably (in no order) added sugar, gluten, fried foods, processed foods, dairy, and red meat. One can eliminate any or all of those, typically for a month (gives your gut time to change), and then, if you want to, experiment with adding things back in.

A nice thing about the gut microbiome is that it's self-reinforcing, both psychologically and gustatorily--as in, once one's body realizes a food doesn't help, one tend to both think "why would I make myself feel like that?", and to find the experience of eating/drinking it less pleasurable, alien, or even disgusting.