Intermittent fasting for weight loss: Does it actually work?

Written by: Deepa

16 Feb 2026

Intermittent fasting (IF) is a type of eating pattern that alternates between periods of fasting (not eating) and eating windows (eating). Intermittent fasting primarily focuses on when a person eats their food rather than what type of food they eat.

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Yes, intermittent fasting may help to promote weight loss to a great extent by decreasing daily caloric intake via improving metabolic flexibility.

Can IF Aid Weight Loss?

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Insulin levels will decrease during fasting causing our bodies to change from fat storage to using fat for energy.

How Does IF Stimulate Fat-burning?

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Eating in limited windows normally reduces snacking/overeating at night.

Calorie Control Made Easier

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Intermittent fasting may improve blood sugar levels, which will positively affect the reduction in belly fat.

May Improve Insulin Sensitivity

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Intermittent fasting may have an impact on growth hormone levels, which will assist in muscle preservation/fat loss.

May Aid Hormone Equilibrium

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Weight loss will be dependent on: – Total caloric intake – Quality of food – Sleep; and – Stress levels.

But it is not magic!

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Pregnant women, individuals with diabetes, individuals with an eating disorder, and those with chronic illnesses should not fast without consulting a health care professional.

Who Should Avoid IF?

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Intermittent fasting is more effective for weight loss than other strategies. It’s a useful tool and not a means of fast and lasting fat loss. Always consult your doctor or nutritionist before starting intermittent fasting, especially if you have medical conditions.

Summary

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