Drinking water can help you lose weight, whether you're restricting your calories or not. Consuming 2 cups of water before a meal helped a group of obese adults lose 2 pounds over a 12-week period without making any other changes to their usual intake, according to a 2015 clinical study published in Obesity.
How many tea bags should you use to make a half gallon of iced tea? One gallon is about 128 ounces, so if one tea bag is good for 10 oz  of water, then about 10 teabags is good for a gallon. Start with 10  and adjust accordingly with water.
According to our source, one regular 8 oz cup of drip coffee generally contains between 104-192 mg of caffeine, so stick to 1-2 cups per day. Decaf brewed coffee is a better bet, only containing a little caffeine, at 3-4 mg per cup. Iced tea contains 70 mg per 12 ozs (2-4 large 12 oz glasses is safe per day) and brewed tea contains 20-90 mg in 8 oz. Check the labels on tea to find out the exact caffeine content for your specific tea.