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Ramadan fatigue? Your gut may be the reason
Many Ramadan symptoms stem from digestion, not the fast itself
- PUBLISHED: Thu 19 Feb 2026, 10:49 AM
- By:
- Yasmin Khalid
By the third or fourth day of Ramadan, a familiar pattern appears.You wake up for Suhoor feeling fine. You manage the day. But after Iftar, instead of feeling energized, you feel heavy, sleepy and uncomfortable.
Many people describe the same experience:
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“I can’t keep my eyes open after eating.”
“My stomach feels tight and bloated.”
“I keep getting sore throats and colds every Ramadan.”
It is easy to blame fasting. In reality, fasting is often not the cause — your gut is.
Inside the digestive system lives a community of trillions of beneficial bacteria called the gut microbiota. These microorganisms help the body extract energy from food, produce certain vitamins and support immune defenses. Nearly 70% of the immune system is connected to the gut, which explains why digestion and immunity are closely linked.
When this balance becomes disturbed, the body reacts. Bloating, acidity, constipation, low energy and frequent illness are common signs. Ramadan does not create this imbalance — it simply reveals it.
During fasting hours, the digestive system finally gets something rare: a break. With no constant snacking or grazing, the intestines perform a natural cleansing wave that clears leftover food particles and excess bacteria. This is one reason many people initially feel lighter in the first days of fasting.
The difficulty often begins at Iftar.
After many hours without food, we understandably crave comfort foods. But large portions eaten quickly — especially fried items, sweets and sugary drinks — overwhelm the digestive system. Instead of gentle digestion, the gut starts fermenting the meal, producing gas and inflammation. The result is the heavy, sleepy feeling many people experience right after eating.
That post-Iftar fatigue is not because the body lacks food. It is because digestion suddenly requires enormous effort.
Energy does not depend only on how much you eat; it depends on how well you absorb nutrients. Beneficial gut bacteria help release nutrients and support cellular energy production. When they are reduced, absorption of iron and B-vitamins declines, leaving a person tired even after a full meal.
Fasting can help reset the gut environment, but rebuilding it requires support. This is where probiotics may play a role. Probiotics are beneficial bacteria that help restore balance in the intestine and may reduce bloating, support digestion and assist immune function.
Many also notice they get sick more often during Ramadan. Fasting itself does not weaken immunity. More often, dehydration, sleep disruption and high sugar intake — combined with an imbalanced gut — affect immune response. Since immune cells interact closely with gut bacteria, improving gut health supports the body’s natural defenses.
Small habits make a big difference. Break your fast slowly with dates and water, begin with soup and avoid overeating in the first hour. Include vegetables, fruits and fermented dairy such as Yakult. At Suhoor, choose whole grains, protein and good hydration. Eating slowly is one of the most effective ways to reduce bloating.
Ramadan is not only a spiritual reset; it is also a biological one. When fasting is paired with gentle eating and gut support, many people notice clearer thinking, steadier energy and better digestion.
If you feel constantly bloated or exhausted every Ramadan, the solution may not be more food, but better care for the ecosystem within you. A healthier gut can transform the fasting experience from draining to energizing.
— Yasmin Khalid is a Certified Nutritionist at Yakult Middle East.
