Pages about lifestyle changes for metabolic syndrome often use the phrase "lifestyle changes" without saying what is included or what the page is measuring. No plan is prescribed here. Start with the CDC's diabetes basics page, so you know what each claim rests on.
Ask what "lifestyle changes" covers
Check whether a page names specific changes or only the phrase. Write down each specific change it lists. A list you can compare is more useful than a slogan, and a page with no list gives you a question to ask.

Match the change to the stated goal
A page should say what the change is meant to affect. If the goal is blood sugar, weight, blood pressure or something else, note which one, and check whether the page's source discusses that goal. The NHLBI guide to heart-healthy living is a useful reference for how a heart-focused source words its goals.
Check how the source talks about prevention
Prevention programs and treatment plans are different things, and pages sometimes blur them. The CDC page on preventing type 2 diabetes is written about prevention. Read how it frames its audience, then check whether a page you are reading borrows the same wording for a different purpose.
Watch for products sold as a shortcut
If a page pairs a lifestyle message with a product, compare the product's label to the claim made for it. Look for the regulator's notice or the label's stated use. A marketing term is not a label field.
A short list for your clinician
Make a short list of the changes a source names, the goal it ties each to and the claims you could not trace. Take that list to your own clinician and ask which items apply to you. We do not recommend any program, product or change for your situation.