EASNA review the best weight loss supplements.
Weight loss supplements work (or claim to work) in one of just a couple of ways, they either suppress appetite, raise thermogenesis (the amount of calories you burn), supress cravings or raise energy levels whilst you're in a caloric deficit (dieting). There are relatively few components that actually work and they tend to be repeated throughout all of the best weight loss supplements, with varying blends designed to focus on different elements.
The most effective way to lose weight is through diet control. Hours of exercise can be undone in minutes with high calorie food, so appetite suppressants are always going to be the most effective weight loss supplement. The next most effective element is craving support followed by increasing energy levels, with thermogenesis coming in last. The reason for this is improved thermogenesis realistically tops out at adding about 100 calories to your maintenance calorie rates and improved energy levels help you keep what we call a consistent NEAT. NEAT or (None Exercise Activity Thermogenesis) refers to the amount of activity you do that burns calories that isn't for accounted for by exercise. Typically people who are dieting move less, whether they notice or not, and this can account for 3-400 calories burned per day.
The best ingredients for each of these categories are Glucomannan for appetite suppression (in some countries it's the only supplement advertisers can actually claim works) which swells to 50X it's size, 2 capsules add up to about the size of a bagel, this makes you feel less hungry, caffeine and vitamin complexes for energy and 5HTP for craving suppression, although there are some other methods for doing this successfully. Lastly is thermogenesis and that's where things start to get a little more complicated.
Some Of The Most Commonly Asked Questions About Diet Pills
Weight loss pills aren't regulated by the FDA, in Europe there are regulations on the claims that weight loss supplements can say, and you'll notice that a lot of the worst weight loss pills aren't available there. As a result a lot of the best weight loss pills are made by European companies that simply replicate their formulas in US factories. The ingredients in over the counter weight loss pills have to be approved by the FDA as safe for human consumption however.
For the most part yes, with the exclusion of allergies and minor side effects, common side effects include nausea and headaches (usually from too much caffeine).
Weight loss pills are dietary supplements designed to support weight loss. The problem is that means a lot of things can call themselves weight loss supplements.
Fiber supplements is quite a broad term, if we're talking about Glucomannan then yes, some supplements use less effective fiber supplements such as prickly pear and some are not effective at all. It really comes down to how much space they take up in your stomach and how long it takes to digest.
Most of the best weight loss pills require you to take them several times a day, typically speaking anything that claims to be a miracle one pill a day, or night time fat burner is completely bogus.
Negligibly, green tea extract does have some benefits, it can help with cravings and lipid binding (fat cells), but as a stand alone it's not going to do all too much, mixed with other ingredients however it can give a small extra boost.
1 - https://www.cdc.gov/obesity/data/adult.html - USA obesity rates
2 - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2894850 - Occupational risk of overweight and obesity