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Weight Loss Pills: We Delved Deep Into The Science To See If Any Actually Work

If you’re trying to lose weight, chances are you’ve thought about weight loss pills. They’re tantalisingly simple and easy to use: just pop a powerful supp and watch as the fat melts away, right?

If only. Weight loss pills work if the fundamental principle of weight loss is in place: a caloric deficit. “A calorie deficit is necessary to lose weight,” says Megan Lee, a registered dietician at Gabi Meltzer Dietician. “This is established when the body is using more energy than it is taking in from food. Calorie deficits occur through behavioural changes like increasing energy expenditure through movement or decreasing total calorie intake through dietary modifications. They do not occur from simply ingesting the compounds found in diet pills.” But that doesn’t stop weight loss pills from creeping up and doing the rounds on TikTok, where people swear by its efficacy. The results are more likely from a healthy diet and plenty of movement which contributes to a caloric deficit.

Nonetheless, we decided to closely investigate the plethora of weight loss pills around to see how they actually work. We chatted with experts and scrutinised the studies to bring you fact-checked information about each supp we could find online that’s popular. Without further ado, the weight loss pills and how they work.

CLA Safflower

What it is

CLA stands for conjugated linoleic acid—a fat high in monounsaturated and polyunsaturated fats (a.k.a. the good kinds). Safflower is a plant that looks like a dandelion but isn’t. The oil extracted from it is produced by the seeds of the plant, which contains CLA.

What it does

Well… not much. According to one 2007 study, CLA supplements could increase fat oxidation (the process by which the body breaks down fats into smaller molecules so they can be used for energy). The study also found that CLA could burn energy during sleep. Sounds promising!

Does it work?

The bad news? The study involved less than 50 subjects, which is less than the required amount to really move the needle and conclusively say that this weight loss pill works. Added to that, safflower oil only contains a small amount of CLA—about 0.7 milligrams of CLA per gram of fat. More is probably needed to really induce the effects listed above.

READ MORE: Can CLA Safflower Oil Supplements Really Help You Lose Weight?   

Garcinia Cambogia

What it is

Ah, the fave weight loss supplement for aeons. This strange-sounding word is actually a fruit commonly grown in India and Southeast Asia. The rind contains a chemical (hydroxycitric acid or HCA) which is where the crux of weight loss claims stem from. It’s been studied for its appetite-suppressant effects, which is why so many weight loss pills contain the extract.

What it does

Per studies and reviews, the appetite suppressant effects are said to be what facilitates weight loss. Pretty clear, right – the less you eat, the less your caloric intake, meaning you’d be in a caloric deficit, leading to a slimmer figure.

Does it work?

Erm… kind of. The claims that garcinia cambogia works are down to very few robust randomised studies. Only five of these showed any amount of weight loss. In those studies, participants didn’t see the needle move much in the direction of weight loss. “While weight loss may have occurred in some of the studies, most showed no clinically significant reduction in body fat or body weight,” says Lee. “Dietary modification and physical activity remain the most suitable method to alter body composition in the general population.” Added to that, per one expert, your weight loss from taking the supplement is around half a kilo – hardly enough to write home about.

READ MORE: Exactly What You Need To Know About Garcinia Cambogia Extract For Weight Loss

Yohimbe

What it is

Made from the bark of an evergreen tree, called Pausinystalia yohimbe. The tree grows in West and Central Africa in lowland forests. From the bark comes yohimbe, and the supplement is used to treat erectile dysfunction as well as weight loss.  

What it does

Yohimbe is an alpha-2 adrenoceptor antagonist, meaning that it enhances the release of both serotonin (the happiness hormone) and norepinephrine (your fight-or-flight hormone). The alpha-2 adrenoceptor antagonist serves as the crux of where weight loss is thought to happen. Using the receptor, it’s thought that it could block receptors in fat cells which could theoretically result in weight loss. One study looked at 20 obese females who consumed a measly 1,000-calorie diet for three weeks while taking yohimbe. They lost more weight than those in the placebo group. It’s worth noting that the subjects took 5mg of yohimbe four times a day.

Does it work?

We’d need more robust studies to confirm if yohimbe works for weight loss or not. Other studies concluded that yohimbe had no significant impact on weight loss.

Berberine

What it is

Berberine is a compound found in many plants, including barberry, goldenseal and goldthread. (Never heard of ‘em? Us neither. We move.) It’s been cultivated and used for over 3000 years in China and South Asia. The parts of the plant barberry have been used in different ways.

What it does

Now, the fun part. The possible health benefits come from how it affects enzymes in the bod. It’s been associated with lowering cholesterol, maintaining a healthy heart, controlling blood sugar, lowering blood pressure and helping with the symptoms of PCOS. When it comes to weight loss, it’s thought that the resulting fat loss might come from how it interacts with insulin and the hormones that keep fat cells in check. Per one study, it might increase brown adipose tissue (the good kind) and its activity, leading to potential fat loss.

Does it work?

According to the National Center for Complementary and Integrative Health, the jury is out on this one. Some studies find that it’s effective, while others say it’s not worth your moola. Plus, existing studies featured people with comorbidities like diabetes or fatty liver disease, so any resulting weight loss might be a result of berberine on these existing conditions. What we really need is concrete and reliable studies to link berberine to weight loss.

READ MORE: Nature’s Ozempic: What Are The Benefits Of Berberine? 

Psyllium husk

What it is

The brown powder, eschewed once for its texture, is making a strong comeback with claims that it could lead to weight loss. A soluble fibre, the husk is used in laxatives and treats high blood sugar, diarrhoea and high cholesterol. It absorbs water fiercely, making you feel fuller for longer.

What it does

It’s superpower appears to be that it boosts satiety, making you feel fuller for longer – a powerful technique in weight loss efforts.

Does it work?

Proponents claim that psyllium triggers receptors in your intestines, promoting fullness so you’re less likely to eat more. Cue caloric deficit note up top. While this is indeed the chief mechanism of Ozempic, psyllium husk does not work at all in the same way as the drug. Ozempic works in the brain; psyllium husk works in the gut temporarily.

Scientific evidence is also mixed as to whether or not taking this supplement will result in weight loss. However, upping your fibre intake is a good idea, so use the husk to fill up, but watch that you don’t overdo it. If you’re taking medication, don’t take psyllium before your meds – these could interfere with your medication’s absorption.

READ MORE: Is Psyllium Husk A Viable Alternative To Ozempic?  

What it is

You’ll know this one. It’s one of the most drunk teas in the world with powerful health benefits. Green tea is rich in antioxidants, promoting heart health, boosting the liver and brain and even helping skin glow.

What it does

It’s a mainstay in weight loss pills. The main idea: since green tea is rich in catechins and caffeine, these compounds are attributed to its weight loss properties. That’s because caffeine and catechins are known to regulate the hormones that assist in thermogenesis (a kind of fat-burning process). In short, thermogenesis is the process during which calories in your body are used to digest food and produce heat. It’s also thought that green tea suppresses appetite, leading to weight loss.  

Does it work?

In one 2005 study, people who took a mix of green tea extract, caffeine and guarana before every meal burned around 179 more calories 24 hours after. However, other studies found that green tea extract had no significant effects. Plus, having too much green tea extract could damage the liver, leading to liver failure. Be very careful with your brew.

Apple cider vinegar

What it is

Apple cider vinegar, or ACV, as it’s called, is a vinegar made from crushed, fermented apples, yeast and sugar. Standard fermentation stuff. It’s used in food and in almost everything else, from curing UTIs to helping heartburn to bloatedness. So it’s natural that we turned to ACV for weight loss.

What it does

ACV has high levels of acetic acid. This acid has been shown to improve metabolism and can prevent fat deposition in mice. From there, various studies started rolling in that found ACV can deliver modest weight loss.

Does it work?

We’ll let Dr Robert H. Shmerling, Senior Faculty Editor at Harvard Health Publishing, say it for us. “In all, the scientific evidence that vinegar consumption (whether of the apple cider variety or not) is a reliable, long-term means of losing excess weight is not compelling.” However, ACV might prevent blood sugar spikes, making you feel better. That’s about it.

READ MORE: What To Know Before Taking Apple Cider Vinegar Pills To Lose Weight

What it is

Green coffee beans are coffee beans that are not roasted. The active chemical in the raw bean, chlorogenic acid, is destroyed when one roasts the bean. It’s thought that this acid is what contributes to weight loss.

What it does

A natural antioxidant, it’s thought that chlorogenic acid keeps inflammation in the body at lower levels and could also lower blood pressure. The chemical may work by lowering blood sugar and blocking a fat build-up but studies are yet to validate this claim.

Does it work?

When it comes to weight loss, the research is murky. Some claim that when taking green coffee bean extract and a low-calorie diet, you’ll lose more weight than just being in a caloric deficit. But the amount of weight difference isn’t significant enough to support the claim. Plus, green coffee bean extract doesn’t come without its own side effects, ranging from headaches and upset stomachs to heightened anxiety. Use with caution.

Sea moss

What it is

Sea moss, or Chondrus crispus, is a type of algae that grows in Atlantic oceans. It grows in different colours, from purple, white and green and each colour has its own set of benefits.

What it does

Sea moss has a long list of purported benefits that should be studied more thoroughly. They contain vitamins and minerals, are low in calories and are reportedly high in live bacteria that support the gut. Because it’s high in fibre, it might work for weight loss by keeping you fuller for longer, preventing you from overeating and leading to that all-important caloric deficit.

Does it work?

The research on sea moss is fledgling at best and more needs to be studied before experts can make a definitive link between weight loss and the ocean grub.

READ MORE: Um, People Are Using Sea Moss For Weight Loss But Does It Work?

All in all, while weight loss pills could yield results, they’re no replacement for the tried-and-true expert-approved weight loss methods. What that looks like? Regular exercise and a healthier diet. “Taking diet pills may have a small effect on weight loss, but they do not foster positive behavioural changes that ultimately lead to sustained weight maintenance, positive self-esteem or longevity,” says Lee. “Many of the beneficial components of weight loss pills can be taken in through an adequate and varied diet. Building on beneficial habits around food intake, movement and mental well-being is more likely to create a lifestyle that enhances overall health, longevity and acceptance of one’s self.”


Source: https://www.womenshealthsa.co.za/fitness/feed


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