Written by Muskan Gupta | Published : September 7, 2025 9:03 PM IST
A major disadvantage of intermittent fasting is that long spells of restriction usually end up working against themselves. Once you can eat, you will be taking in more calories than you would otherwise eat through normal meals. This model of underfeeding and overeating can reduce weight loss rates and even cause a gain in weight eventually.
Consistency is important to your body. Prematurely missing lessons can also cause stress mechanisms to activate that interfere with hormones such as cortisol and insulin. In the long run, these may disrupt the metabolism and aggravate weight loss. Intermittent fasting can also have hormonal imbalance effects on some individuals, including women, which leads to poor fat burning.
Sometimes you get so hungry that your blood sugar levels drop out, leaving you feeling tired, dizzy or angry. Reduced energy level makes it more difficult to be physically active and to exercise, as this is needed to lose the weight. Rather than improving your health, starving can cause you to feel weak and less productive.
The most effective diet to lose weight is the one that you can follow. Intermittent fasting might be uncomfortable and socially alienating, particularly at dinner tables or at social events. After a short period of time, many of them end up quitting the fatally resulting with weight regains. A better balanced more flexible way of eating is much more convenient to maintain and ultimately a good idea to be healthy.
There is more to losing weight than an ability to consume fewer calories: it is also a matter of feeding your body. And you may not consume crucial nutrients such as protein, fibre, and vitamins, among other minerals, as needed due to limited periods of eating. This can also impact muscle, digestion and even your immune system, making fasting a very dangerous weight loss programme in the long term.
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