Standing in front of the fridge at night is often considered a bad omen. While some think that an apple or banana are fairly harmless snacks before bed, others have probably read somewhere that it’s better to refrain from fruits at night. We turned to a nutrition expert to find out where this myth came from and how true it is.
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Opponents of evening fruit snacks believe that fruits lead to weight gain. The culprit is fructose – a monosaccharide that gives fruits their sweetness. And the truth is that excessive consumption can indeed trigger obesity.
Unlike glucose, the metabolism of which in the body is strictly controlled by enzymes, fructose is metabolized differently. The by-products of its metabolism activate the synthesis of fatty acids and uric acid. This leads to an increase in triglyceride levels in the blood and can result in fat accumulation, hypertension, insulin resistance, and other health problems.
First, the majority of studies confirming the harmful effects of fructose were conducted under laboratory conditions, in a test tube. Second, a dangerous threshold is set at consuming more than 100 grams of fructose per day. To reach that, one would need to eat at least ten apples. Thirdly, fruits are far from the only, and certainly not the most dangerous, source of fructose.
Fructose enters the body not only from fruits. It is a component of regular sugar and corn syrup, which are used to sweeten sodas, candies, and other not-so-healthy products, including processed foods and fast food.
Excessive consumption of fructose can lead to negative consequences. However, this statement largely concerns pure fructose or in the form of sweeteners, not fruits. This is because, in addition to the monosaccharide, fruits also contain fiber and vitamins.
Fructose Content in Popular Products (per 100g) Product | Amount of Fructose, g
Almost all fruits contain vitamins C, A, E, K, P, and B group, trace elements (potassium, manganese, magnesium, copper, iron), and antioxidants (quercetin, carotenoids, anthocyanins, etc.). Regular consumption of fruits helps fight free radicals, which are considered a cause of body aging, supports the cardiovascular, immune, digestive, and excretory systems, and improves the condition of the skin and hair.
Dietary fibers improve bowel peristalsis and normalize its microflora, slow down carbohydrate absorption, accelerate metabolism, reduce “bad” cholesterol, and regulate blood sugar levels. They also contribute to rapid satiety, making fruits an excellent snack.
Fruits consist of almost 90% water and are low in calories. At the same time, due to simple sugars, including fructose, they are quite sweet and are excellent as a healthy dessert.
Scientists have proven that regular consumption of fruits reduces the likelihood of inflammatory processes in the body due to a decrease in C-reactive protein levels and an increase in the number of T-lymphocytes.
Antioxidants, B vitamins, magnesium, and potassium found in fruits help normalize the nervous system’s function, reducing stress and anxiety levels. Some fruits, like bananas, contain the amino acid tryptophan, which participates in the synthesis of the “happiness hormone” – serotonin.
In the evening, tryptophan promotes the production of melatonin – the sleep hormone. So eating a banana before bedtime is not only permissible but also beneficial.
One banana before sleep is fine, but consuming a large amount of fruit at night might lead to insomnia. During the metabolism of fructose, glucose is formed. An increased level of it in the blood can cause an alertness effect, preventing you from falling asleep properly. However, one or two apples or apricots won’t cause any harm.
Doctors also advise against eating certain fruits at night for people with gastrointestinal diseases. The acids in citrus fruits, pomegranates, sour apples, and grapes can irritate the inflamed lining of the stomach and cause flare-ups. However, it’s best to avoid them during the day in such cases too.
For clarity: This article is intended for informational purposes only and is not a substitute for professional medical guidance. If you have health questions or concerns, we strongly recommend seeking advice from a licensed healthcare professional.
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