This is because your body's metabolism slows down when you're asleep. Taking the fat burner first thing in the morning will act as a good start to the day, allowing you to complete a more intense workout. It is not recommended that children under the age of 16 take supplements before training. There is no evidence that the products are safe for them, so they may be at risk of developing health problems from taking too much caffeine or other additives.
No, you should not take fat burners and pre-workout at the same time. By taking too many stimulants on a daily basis, it can affect heart health, blood pressure, and even the ability to sleep and recover. You'd better choose one based on your primary training goal. Fat burners if the main thing is to lose body fat or weight, before training if your goal is to maintain or increase muscle mass.
That said, there are stimulant-free varieties of fat burners and pre-workout. There are also non-stimulant thermogenic ingredients, such as conjugated linoleic acid (CLA), L-carnitine, ginger extract, and cayenne pepper extract, that can help your body use stored fat as fuel, essentially burning fat without affecting your energy levels. Look for natural alternatives: In addition to fat burners, natural alternatives promote weight loss, such as green tea extract. Most of the conventional fat burners and pre-workout supplements you'll find on the market are rich in stimulants, so taking them together will likely result in some rather unpleasant side effects such as nervousness, irritability, heart palpitations, symptoms similar to anxiety, nausea and the like; all the side effects it would be better to leave at home.
If you take a fat burner after a workout or during daylight hours when you're not exercising, they can have a passive fat-burning effect. Think of it this way: Fat burners work like sunlight through a magnifying glass to help your body break down and attack stored fat. Avoid mixing fat burners and pre-workouts that contain several different stimulants, as this can make side effects much more likely. Fat burners work best when taken together with a balanced diet and a well-structured exercise plan.
Excessive use of caffeine and similar ingredients can cause high levels of cortisol (that unwanted hormone that breaks down muscles and causes fat storage), especially under dietary stress. It's a combination of five powerful, high-quality ingredients specifically formulated to maximize fat burning and weight loss, improve physical performance and muscle gain, and accelerate recovery. It's designed to improve your metabolic performance through non-stimulating pathways to help you with your weight and fat loss goals. This is because many of the ingredients that make a great fat burner will also serve for an excellent pre-workout.
Sleep is crucial to healthy body composition, and if you don't rest properly, your workouts and your fat-burning potential could be affected. Some people turn to fat burners to get the energy they need to exercise because they are constantly in a state of sleep deprivation. And your fat burner three or four hours later to avoid any stomach discomfort caused by its different effects.