CELERY Side Effects & Safety. Celery oil and celery seeds are LIKELY SAFE when taken by mouth in food amounts. Celery is POSSIBLY SAFE for most people when taken by mouth or applied to the skin in medicinal amounts for a short period of time. However, it may cause skin inflammation and sensitivity to the sun.
If you want to . . . Lose weight: Creating a calorie deficit that results in weight loss is hard work. Most recommendations say that to lose weight, you must exercise for at least an hour a day, five times a week. The type of exercise matters, too.
Generally to lose 1 to 2 pounds a week, you need to burn 500 to 1,000 calories more than you consume each day, through a lower calorie diet and regular physical activity. Depending on your weight, 5 percent of your current weight may be a realistic goal. Even this level of weight loss can help lower your risk for chronic health problems, such as heart disease and type 2 diabetes. If you're 180 pounds (82 kilograms), that's 9 pounds (4 kilograms).