Are there any good supplements for weight loss?

Despite an enormous number of products on the market promising weight loss or fat loss, a tested, safe and effective supplement for weight loss does not exist. According to the Mayo Clinic, “A number of weight-loss pills and potions are available at your local drugstore, supermarket or health food store. Even more options are available online. Most have not proved effective, and some may be downright dangerous.”
There are very few supplements that mimic the actions of successful drugs used for weight loss. Meal replacements bars and shakes are the only supplements that may actually work.
It's important to note that supplements alone are NOT a weight loss program, whereas diet and exercise can be.
The goal of incorporating a dietary supplement (or drug) into a weight loss program is to assist the user in complying with the daily routine that leads to weight loss. And, as with all human studies on meal replacements, the supplement ingredients must have safely demonstrated the potential to act in one or more of the following ways:
1. Help create and maintain a calorie deficit by increasing daily calorie expenditure when compared to not taking supplements
2. Raise energy levels that may make one more active throughout the day
3. Reduce the drive to eat
4. Decrease calorie absorption
Meal replacements and weight loss:
In all studies, meal replacements (MRs) bars and shakes used for 1 or 2 meals per day were shown to be an extremely effective aid to weight reduction. In almost all cases, MR were more effective than conventional dieting. MRs have also been shown to be just as effective as dietary restriction combined with weight loss drug therapy. Most importantly, continuous use of MRs may be the most effective means of all treatments when it comes to maintaining weight loss.
Other potentially helpful weight loss supplements
Herbal combination such as caffeine, green tea components and capsaicin have been clinically shown to be effective in producing significant effects on metabolic targets such as satiety (feeling of fullness), thermogenesis (increasing metabolism) and fat oxidation (increase use of fat for daily energy needs). These types of supplements are not appropriate for people with adverse reactions to stimulants. These types of dietary supplements may be appropriate for: 1) people with aggressive goals such a time limit (e.g. special events on set dates, making a certain weight class for sport or competition, etc.); 2) athletes/entertainers preparing for competition that may require/demand very low body fat; 3) people who have failed multiple times at reaching or maintaining weight goals. The user would stop taking these supplements once the weight goal is reached or when they have their daily routines under control to continue making progress without the supplements.
Many people are always looking for that quick fix and they think weight loss supplements is the key to success.  This is only a temporary fix to a problem.  What you have to remember is if you don't change your lifestyle no matter what supplement you are on the weight will come back.  Remember weight loss supplements are a stimulate to cause you to burn more calories.  Once you stop taking your supplement and your lifestyle hasn't changed you will gain the weight back.  If you want to lose weight and keep it off just remember to burn more calories than you take in.  Once you reach your goal you can just maintain where you are at.  As a trainer I never reccomend weight loss supplements at all just because there are so many side effects and it is something you can't stay on for long term.  If you want to lose weight safely and correctly see your fitness professional for the right training program and your RD for the right meal planning.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.