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More in Health & Medical. Also fits: Meals & Cooking.

Test ChatGPT nutrition advice against a registered dietitian

PartialEvidence: Article or interviewPosted Last checked

Melissa Mitri found ChatGPT good for meal ideas but partly unreliable: it agreed with leading questions and overstated research.

How to use this

  1. Tap Copy prompt.
  2. Open ChatGPT.
  3. Paste it into the message box.
  4. Send it, then read the answer before acting on it.
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A prompt is the message you send to the AI tool. Copy the one on this page, put your own details where it asks, and read the answer before you act on it.

Prompt

Recreated prompt

The source didn't share its exact prompt, so we wrote one from what it describes. The result shown is the source's, not ours.

What the prompt labels mean

The person didn't share their exact words, so we wrote this from what they described. We haven't tested it, and they didn't use this exact version.

I have chicken, brown rice, spinach, canned beans and eggs. What are three balanced meals I can make with these ingredients? Then turn them into a short grocery list for a generally healthy week, and tell me which questions I should take to a registered dietitian instead of relying on you.

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ChatGPT Used in sourceGemini Grok Claude

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Optional stronger version

Our rewrite with extra checks. The poster didn't test it.

Before you start, ask me 1–3 short questions about the details below and wait for my answers. Once I've answered, confirm the plan in one line and run the whole task start to finish.

Goal: Get everyday meal ideas from what I have, with clear limits on personal nutrition advice.

Questions to ask me first:
- What ingredients do I have?
- Any diagnosed condition, allergy or medication?
- What is my goal (general health, budget, time)?

Inputs (fill in or confirm):
- Ingredients: [LIST]
- Conditions or allergies: [NONE / DETAILS]
- Goal: [GENERAL HEALTH / TIME / BUDGET]

Rules:
- Give balanced, general meal ideas only.
- Don't agree with a claim just because I framed it that way; give the evidence both ways.
- Say 'associated with' unless a study shows cause and effect.
- Send anything tied to a condition or medication to a dietitian or pharmacist.

Checkpoint: Show the three meal ideas before building a grocery list.

If you get stuck: If I mention a medical condition, stop and list questions for my dietitian.

Verify before you finish: Each meal uses my ingredients and the list covers only what's missing.

Output: Three meals, a short grocery list, and questions for a professional.

Done when: I have practical meals and know which questions need a dietitian.

AI tool

ChatGPT

Outcome

Registered dietitian Melissa Mitri tested ChatGPT with a series of nutrition prompts, from general questions to personalized requests such as a list of what to eat with a newly diagnosed gluten allergy. It handled basic questions well, produced practical meal and snack ideas and simple recipes, and after follow-up questions gave a usable healthy grocery list; it also asked clarifying questions and suggested a pharmacist for medication questions. But it tended to agree with how a question was framed (it backed cutting carbs when asked approvingly), sometimes overstated research as cause and effect, and missed context a dietitian would weigh.

Evidence: Article or interviewA newsletter, journalist or interview account of what happened.

Known limitations

PartialThe source says it only partly worked, or had a significant problem a person had to deal with.

What went wrong: Useful for basic questions, meal ideas and a grocery list, but agreed with however a question was framed and sometimes overstated what studies show.

Source

Posted
by Melissa Mitri, M.S., RD
Last checked
Method:
How we verify

https://www.eatingwell.com/dietitian-tested-chatgpt-nutrition-advice-12165846

Context: Expert test published by EatingWell (also syndicated on AOL). The prompt is ours, built from the article's example questions.

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