Many people unknowingly sabotage their fat-burning process during sleep, says nutrition expert Professor Franklin Joseph, Medical Director of Dr. Frank’s Weight Loss Clinic. He emphasizes that choosing the right evening drink is crucial for successful weight loss.
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According to Mirror, the ideal pre-bedtime beverage is unsweetened natural kefir—a fermented dairy drink rich in probiotics, light protein, and bioactive compounds.
Professor Joseph explains that kefir:
Supports digestive health
Helps maintain stable blood sugar levels
Enhances overnight recovery, making it ideal for those targeting weight loss or stubborn belly fat
Unsweetened kefir has a low glycemic index, so it doesn’t trigger a sudden insulin spike like some drinks perceived as healthy—such as flavored yogurt drinks or banana smoothies, which may contain hidden sugars that impair fat burning and disrupt sleep quality.
Recent studies indicate that fermented foods like kefir can:
Improve insulin sensitivity
Reduce inflammation
Balance gut microbiota, positively affecting weight loss, digestive health, and sleep quality through the gut-brain axis
Joseph recommends 100–150 ml of unsweetened kefir about 30–60 minutes before bedtime. He advises avoiding flavored or sweetened versions and not consuming it with sugary or carb-heavy foods. “Your body should be calm and ready for nighttime repair. A small cup of plain kefir—simple, but effective,” he notes.
He concludes that kefir won’t burn fat on its own, but it enhances results when combined with a balanced diet and regular exercise.
