OnlineDiets
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About

Greg Parsons

Founder and editor, OnlineDiets.com

I started OnlineDiets.com because most diet advice online is trying to sell you something. I wanted a place where you could compare diets honestly: what they involve, what the research says, and who they don't suit.

What I do

I research and write the guides, check them against sources such as the NHS, the US National Institutes of Health and Harvard's Nutrition Source, and keep them up to date. I decide what gets published and I'm responsible when something is wrong. You can read the standards I follow in the editorial policy.

What I'm not

I'm not a doctor, a registered dietitian or any other kind of clinician. I can explain how a diet works and what the evidence says, but I can't tell you what's right for your body. If you have a health condition, take medication, are pregnant, or have a history of disordered eating, please talk to a doctor or dietitian before you change how you eat. Here's how the content is checked, and what that checking doesn't cover.

Get in touch

Spotted a mistake or a better source? Email hello@onlinediets.com. I read every message.

Updated September 2026.