The perfect time to eat each day, explained by science.

Kristen Eleanor
Not Kale Salad
Published in
5 min readMar 11, 2021

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What nutrition science — and real life — has to say about our biological clock and it’s relation to human health

Photo by Voloshin311 from Getty Images

There is a saying that “what doesn’t get tracked doesn’t get managed”. Usually referring to how we schedule our work day, exercise routines or spending, tracking metrics can help us maximize our time, measure performance and identify opportunities to improve.

But what about nutrition? Nutrition tracking applications to quantify macro and micronutrients are nothing new. Ranging from MyFitnessPal to more advanced applications with artificial intelligence that will even recognize the food on your plate, there is no shortage to choose from.

While tracking nutrients has it’s pro’s and cons (from obsessing over calories to hitting fibre goals), interest in nutrition metrics has begun to shift towards meal timing.

Spurred by the interest we have in our biological clock (or circadian rhythm), our own body does have different shifts and rhythms that could help us time meal intake.

But should ticking to the pace of our biological clock be the next nutrition metric to track? Let’s dive in.

What is our biological clock and how does it relate to nutrition?

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