Five things to do and two things not to do:
First off, if you feel your metabolism is abnormally low—symptoms include fatigue, low blood pressure, feeling cold, and constipation—consult your doctor. It could be a sign of a medical condition, like hypothyroidism or diabetes, or a side effect of medication. But if you’re otherwise healthy or get the medical thumbs-up, do these five things and avoid doing these two other things:
Exercise. Jules Gennari, a certified personal trainer at Devocean Health & Fitness, in Fort Lauderdale, Florida, recommends getting 30 to 45 minutes of exercise four to five times a week. At least 30 minutes should be at your target heart rate (you can go to the American Heart Association website to find out what that is for you). As far as what kind of exercise you should be doing, “whatever you’re gonna do is what you should do,” says Gennari.
And include strength training. But while cardio, or aerobic, exercise will burn calories and boost your metabolism while you’re at it (and possibly for a short period after), weight or resistance training are what really kick-starts your metabolism. Anaerobic exercise builds lean muscle mass, which means that even when you’re resting, you’ll burn more calories.
Don’t diet. With all that exercise, you may actually become hungrier. Don’t deprive yourself. Your body doesn’t know you’re doing this willingly. It may believe it’s hungry because there is a shortage of food, leading your metabolism to drop in order to reserve energy stores. (Thank you, evolution.)