One of the most common myths in nutrition is that splitting your food into 5-6 small meals a day “boosts” your metabolism and burns more calories. Is that actually true?

The “revved-up” metabolism myth

The research is clear on this point: the number of meals you eat per day does not, on its own, raise your basal metabolic rate. It’s total calorie intake — not how it’s spread across the day — that determines how many calories your body uses and how much weight you lose or maintain.

Meal frequency is individual

That doesn’t mean eating 6 times a day is wrong — for some people it works well, helping control hunger and keep blood sugar stable. For others, 3 main meals are more sustainable and just as effective. There’s no single “magic” number that works for everyone: the right choice depends on your lifestyle, commitments and preferences.

What actually matters

What really makes the difference is the overall quality of the diet — the balance of macronutrients, total calorie intake relative to your needs, and long-term sustainability. Meal frequency should be chosen to fit your life, not imposed by a generic rule.

In clinic, I build personalised meal plans that respect your lifestyle — whether you prefer 3 meals or 6, what matters is a plan you can actually stick to.