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Energy

Not all sugar is dessert, but your body can't tell yet

By Lauza Loistl··5 min read

It starts with good intentions. You’re heading out the door and you grab a banana, because that’s the sensible thing, isn’t it. Or breakfast is a bowl of fruit and nothing else. Or you graze through the morning on grapes and a few slices of mango, telling yourself you’re doing well, you’re eating fresh, you’re being kind to yourself.

And for a little while you feel fine. Light, even. Then about an hour later something shifts. You’re hungry again, which is odd because you ate. You’re a bit shaky. Your thinking has gone soft at the edges, and you’re shorter with people than you’d like to be. You reach for something else to fix it, and the same thing happens again.

Eaten alone and quickly, with nothing alongside it to slow things down, fruit’s natural sugar can reach your blood fast, your energy lifts and can then drop just as fast, and that dip is the shakiness, the fog and the early hunger. Fruit isn’t the problem and you don’t need to give it up. The fix is to give the sugar something to lean on, a little protein or fat alongside, or simply eat your fruit after a meal rather than instead of one.

Fruit is a wholesome food, but on an empty stomach your body responds to the speed, not to the source.

Sugar has a reputation, and fruit gets caught up in it, which isn’t quite fair. The sugar in a mango is wrapped in fibre and water and a whole lot of good things, and that’s genuinely different from the sugar in a biscuit. But when you eat fruit on its own, quickly, with nothing alongside it to slow things down, that natural sugar arrives in your blood fast. Your energy lifts. It feels lovely for a moment.

The trouble is that a fast rise tends to be followed by a fast fall. Your body works hard to bring things back down, and it often overshoots a little, so you end up lower than where you started.1 That low is the shakiness. That low is the fog and the sudden hunger. Your body reads that dip as a signal that it needs more, so you go looking for the next thing, and the cycle carries on through the morning.

None of this means fruit is a problem. I want to be clear about that, because I meet a lot of people who’ve quietly started fearing perfectly good food, and that’s its own kind of stress. The fruit is fine. It’s the on its own, on an empty stomach, in a hurry part that your body finds hard to handle smoothly.

The fix is small and it’s kind. Give the sugar something to lean on. A handful of nuts with your apple. A spoon of yoghurt over your berries. Some seeds, a bit of cheese, a few slices of mango after your eggs rather than instead of them. Protein and fat slow the whole thing down, so the lift becomes a gentle rise that holds, instead of a spike that drops you.2 Same fruit, completely different morning.

This is really what I mean when I talk about contextual healthiness. A food isn’t healthy or unhealthy in isolation. It depends on what it’s eaten with, when, how fast, and what your body needs from it that day. The banana isn’t the question. The conditions around the banana are.

When I work with someone, this is the kind of thing we look at together, not by handing over a strict plan and a list of forbidden foods, but by noticing the actual shape of your day. When you eat, what comes with it, where your energy dips and why. Often the change that helps most isn’t dramatic. It’s a small adjustment in pairing or timing that you’d never have spotted on your own, and once it clicks, your energy stops swinging quite so hard.

So if your mornings have that rise and fall to them, you don’t need to give anything up. You might just need to stop asking your fruit to do the job alone. Try it with something the next time, notice how the next hour feels, and let your body show you the difference.

References

  1. After a fast-digesting, high–glycaemic-index meal, blood glucose climbs quickly, then falls and around two hours later often dips below the fasting level, which can prompt hunger and the urge to eat again. Chiu CJ, Taylor A, Dietary hyperglycemia, glycemic index and metabolic retinal diseases — Progress in Retinal and Eye Research, 2011. 

  2. Taking protein before a carbohydrate meal lowers the rise in blood glucose afterwards, partly by slowing how fast the stomach empties; a meta-analysis of 16 randomised crossover trials found a meaningful drop in peak glucose. Smedegaard S, Kampmann U, Ovesen PG, Støvring H, Rittig N, Whey Protein Premeal Lowers Postprandial Glucose Concentrations in Adults Compared with Water — American Journal of Clinical Nutrition, 2023. 

This article is for education, not medical advice, and it isn't a substitute for personalised care. If any of it feels relevant to you, speak with a qualified practitioner about testing and what's right for your situation.

Lauza Loistl
Written by
Lauza Loistl
DipNT, CNM · Registered member of the ANP

Naturopathic nutritional therapist working online on women's health: hormones, fertility, and gut, and the kind of tiredness that builds up over years.

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