For optimum weight loss, a person needs to follow a good sustainable diet and exercise well too. Calorie-cutting won't do the job alone. Like with any diet, a person following Intermittent Fasting needs to be physically active, maintain an energy deficit to promote long-term weight loss. Simply said, if you are eating fewer calories, but skimping out on exercise, it can be possible for you to gain the weight back on or hit an undesirable plateau even if you are eating right.
Since Intermittent Fasting can drain or deplete energy levels, ensure that do not engage in extremely heavy workouts. Light or moderate-intensity workouts such as walking, jogging, lifting weights, cardio or strength training can help you shed the kilos and define muscles. You can also try alternating with different Intermittent Fasting variations if your current plan doesn't allow you enough time/energy to work out. But, do remember to spend 30-45 minutes every day working out.
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Weight loss: 5 reasons you hit a plateau while following Intermittent Fasting - Times of India