However, a 2020 study from Dr. Ethan Weiss and colleagues created some doubt about whether short fasts of 16 hours, in the absence of any other dietary modification, can lead to improved weight loss and metabolic health.

What the research says: A 2001 review of 20 trials found taking a guar gum supplement resulted in less than 1 pound of weight loss — and that the risk of adverse events like abdominal pain, diarrhea, gas, and cramps outweighed any potential benefits.

If you have other medical problems or take other medications, you should probably check to make sure OTC medicines aren’t a problem for you. That said, taking what works for you when you have a cold or the flu will probably make you feel better with COVID-19, too.

Many experts say it’s best to lose weight gradually. It’s more likely to stay off. If you shed pounds too fast, you’ll lose muscle, bone, and water instead of fat, says the Academy of Nutrition and Dietetics.

But you’re not the only one demanding this extreme energy, in fact men all over the United States are. It’s what made this MuscleTech men’s supplement into the number one selling health product in the states.

Stay hydrated. Fasting means not eating. It doesn’t mean not drinking. Not only will hydration help mitigate many side effects, but it also gives you something to do that mimics eating and puts something in your stomach. This can help both physically and psychologically to better ensure fasting success.

Many consumers looking for the quickest way to lose weight will turn to fad diets promising faster results. It's true that you might be able to lose 10 pounds or more in one week, by drastically cutting calories -- but you'll lose water and muscle, not fat, and eat so few calories that your body will respond with a surge of weight loss supplements hunger.

You can also learn more about the potential side effects of intermittent fasting in our evidence-based guide.

As we mentioned in our precautions section, kids should not fast given their energy demands for growth. Elderly people, on the other hand, have no specific contraindication to fasting as long as they don’t have an underlying illness that may preclude them from doing so.

You can decrease your likelihood of developing stomach issues by taking NSAIDs with food, milk, or an antacid.

Other studies of intermittent fasting have shown beneficial effects on metabolic rate and/or body composition:

In many countries, OTC drugs are selected by a regulatory agency to ensure that they contain ingredients that are safe and effective when used without a physician's care. OTC drugs are usually regulated according to their active pharmaceutical ingredient (API) and strengths of final products.[2]

Anyone taking medications that lower blood sugar — such as insulin, sulfonylureas, and others — should only fast with the guidance of an experienced clinician. You can provide your clinician with this handout that gives guidance on how to best manage these medications with fasting.

Yet it all makes sense considering this fat burner for men has the highly regarded sugar stop and enzyme aid matrix.