How to Say "diet" in Spanish
The most common Spanish word for “diet” is “dieta” — use 'dieta' when referring to any general eating plan, whether for health, weight loss, or personal preference, without necessarily implying medical supervision..
dieta
dee-EH-tah/ˈdje.ta/

Examples
Estoy a dieta porque quiero comer más sano.
I am on a diet because I want to eat healthier.
Mi doctor me recomendó una dieta baja en sal.
My doctor recommended a low-salt diet to me.
La dieta mediterránea incluye mucho pescado y aceite de oliva.
The Mediterranean diet includes a lot of fish and olive oil.
Using the right preposition
When you talk about following a diet, you must use the preposition 'a': 'estar a dieta' (to be on a diet). You cannot just say 'estar dieta'.
Using 'estar en dieta'
Mistake: “Estoy en dieta.”
Correction: The correct phrase is 'Estoy a dieta.' Think of 'a' as meaning 'in the process of' or 'following the path of'.
régimen
Examples
El médico me puso a régimen para bajar la tensión.
The doctor put me on a diet to lower my blood pressure.
Choosing Between 'Dieta' and 'Régimen'
Related Translations
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