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Are There Weight Loss Gummies That Actually Work?

Apr 16, 2024
Are There Weight Loss Gummies That Actually Work?

Over two-thirds of adults and nearly one-third of children and adolescents are considered overweight or have obesity in the U.S.; 45% of overweight people and 67% of those who have obesity are attempting to lose weight, according to a National Institutes of Health (NIH) report.1 

Because diet and exercise can be challenging, particularly long-term, many people search for a quick fix…namely, dietary weight loss supplements. The NIH report showed that 15% of adults in the U.S. reported using weight loss supplements.1 Read on to learn if there are weight loss gummies that actually work.

What Are Weight Loss Gummies?

Many online advertisements claim that weight loss gummies can help you lose weight quickly and easily. Many manufacturers of weight-loss gummies claim their products can suppress appetite and burn fat. These products are often said to enhance traditional weight loss efforts (e.g., a healthy diet and regular exercise routine). However, many companies lack clinical study data to back their claims about their products’ ingredients, safety, and effectiveness.

It’s important to note that dietary supplements are unregulated by the Food and Drug Administration (FDA), so it’s difficult to tell whether they contain the active ingredients listed on their label or if a product is safe. Keep reading to learn how to decipher whether there are any weight loss gummies that actually work. 

Ingredients in Weight Loss Gummies 

Ingredients commonly found in keto gummies include:5

A picture of ginger, pomegranate, beet juice powder and coconut oil
  • Sugar
  • Sugar alcohols (e.g., xylitol, maltitol, or sorbitol)
  • Ginger 
  • Pomegranate
  • Beet juice powder
  • Coconut oil 

Active Ingredients

Apple cider vinegar (ACV), green tea, coffee, or garcinia extract, ketones, vitamins, and other substances are popular active ingredients in weight-loss gummies. 

These “active” ingredients are touted to help with weight loss by decreasing appetite. However, the NIH reports that many ingredients in weight loss gummies have been found ineffective and may cause mild to moderate side effects, as described in the following table.2 

Active IngredientEffects on weight lossSide Effects 
Apple cider vinegar (ACV)There is not enough long-term clinical research data to show the effectiveness3Long-term use and high dosages can cause low potassium levels, damage to the throat and tooth enamel, skin irritation, and osteoporosis (a condition that involves softening the bone tissue)
Green tea extractModest effects are possible        Abdominal discomfort, nausea, constipation, hypertension (increased blood pressure), and liver damage
Caffeine (from yerba mate tea, coffee extract, kola nut,  guarana, or other sources)Modest effects are possibleJitteriness, nervousness, vomiting, and tachycardia (fast heartbeat). 
Garcinia CambogiaLittle to no effect Headache, GI symptoms such as nausea, upper respiratory tract symptoms, liver damage, and mania (extreme emotion or mood changes)

The World Journal of Gastroenterology reports that Garcinia extract may cause liver failure.4 
Raspberry ketonesLack of study data to determine its effectivenessNone known
Exogenous ketones, D-3-hydroxybutyrate (D-BHB)There is not enough scientific evidence to show its effectiveness5 Stomach pain and upset, diarrhea, and constipation may result from high dosages. 
Green coffee bean extractModest effects are possibleUrinary tract infections (UTIs) and headaches

Best Weight Loss Gummies

Despite the lack of clinical trials to show evidence of the safety or effectiveness of weight loss gummies, the top consumer picks are apple cider vinegar (ACV) and keto gummies.  

ACV gummies

While studies have shown that ACV has some health benefits, such as lowering cholesterol and decreasing blood sugar levels, no long-term studies have shown that ACV supplements promote fat-burning effects, resulting in decreased weight loss parameters such as reduced waist circumference or weight loss.6, 7, 8

Bottle of apple cider vinegar with some apples in a basket

Keto gummies

In humans, ketones are molecules generated from body fat. When glycogen is scarce, the heart, brain, and muscles use ketones as a backup energy source. Carbohydrates are stored as glycogen in the body.

When carbohydrates are eliminated from the diet (such as in the keto diet), ketones can provide fuel and decrease hunger. Some studies suggest that the keto diet may result in the loss of more body fat and muscle loss.9

Image of several weight loss gummies

Exogenous (produced outside the body) ketones are often reportedly the active ingredient in weight loss gummies, called keto gummies. Exogenous ketones in gummies may come from medium-chain fatty acids (MTCs) and D-BHB in coconut oil, which reportedly induce ketosis. However, studies show there isn’t enough research to back this claim.11

It’s important to note that many supplements marketed as “keto gummies” don’t contain exogenous ketones and primarily contain apple cider vinegar. 9 

Oprah Weight Loss Gummies Amazon

A 2023 social media post featured the headline “Oprah Launches First-Ever Weight Loss Gummy in Partnership with Weight Watchers After Being Forced to Lose 60 LBS in Just Weeks.” But Oprah has named this headline “false and fraudulent.” The web page is said to be featured in TIME magazine, but according to Reuters, “TIME did not publish this article.”

Weight Loss Gummies That Actually Work

Winfrey advised social media users not to purchase weight loss gummies featuring her picture or name. “There have been social media ads, emails, and fake websites going out, and I want you to hear it straight from me that I have nothing to do with them,” says Oprah.10     

Conclusion to Weight Loss Gummies That Actually Work

So, are there any weight loss gummies that actually work? Stay tuned because the scientific evidence is still undetermined.

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Frequently Asked Questions

How did Oprah Winfrey lose weight?

Oprah Winfrey has spoken openly about her struggles with weight over the years. She’s reportedly tried various approaches including diet changes, exercise, and working with personal trainers and nutritionists. In recent years, she’s partnered with Weight Watchers (now known as WW) and has attributed her weight loss to their program, which focuses on portion control, healthier food choices, and support networks.

How did Kelly Clarkson lose weight so fast?

Kelly Clarkson’s weight loss has been attributed to a combination of a healthier diet, regular exercise, and possibly working with personal trainers and nutritionists. However, it’s important to note that she hasn’t always provided detailed specifics about her weight loss journey.

What is the best gummy for weight loss?

There isn’t a single “best” gummy for weight loss as effectiveness can vary depending on individual factors and preferences. Some gummies marketed for weight loss may contain ingredients like fiber, vitamins, or herbal extracts that claim to support weight management, but it’s essential to be cautious and do thorough research before trying any supplement. It’s also advisable to consult with a healthcare professional before starting any new weight loss regimen.

What is the most successful weight loss pill?

The effectiveness of weight loss pills can vary widely, and what works for one person may not work for another. Some prescription weight loss medications are approved by regulatory bodies like the FDA (Food and Drug Administration) for certain individuals with obesity or overweight-related health conditions. These medications are typically prescribed under the supervision of a healthcare provider and are intended to be used in conjunction with a reduced-calorie diet and increased physical activity. It’s important to consult with a healthcare professional to determine if a weight loss pill is appropriate for you and to discuss potential risks and benefits.

While we strive to always provide accurate, current, and safe advice in all of our articles and guides, it’s important to stress that they are no substitute for medical advice from a doctor or healthcare provider. You should always consult a practicing professional who can diagnose your specific case. The content we’ve included in this guide is merely meant to be informational and does not constitute medical advice.


  • National Institutes of Health. Dietary Supplements for Weight Loss Fact Sheet for Health Professionals. https://ods.od.nih.gov/factsheets/WeightLoss-HealthProfessional/
  • The National Institutes of Health. Dietary Supplements for Weight Loss. Fact Sheet for Health Professionals. https://ods.od.nih.gov/factsheets/WeightLoss-HealthProfessional/
  • Launholt TL, Kristiansen CB, Hjorth P. Safety and side effects of apple vinegar intake and its effect on metabolic parameters and body weight: a systematic review. Eur J Nutr. 2020 Sep;59(6):2273-2289. doi: 10.1007/s00394-020-02214-3. Epub 2020 Mar 13. PMID: 32170375. https://pubmed.ncbi.nlm.nih.gov/32170375/
  • Lunsford KE, Bodzin AS, Reino DC, Wang HL, Busuttil RW. Dangerous dietary supplements: Garcinia cambogia -associated hepatic failure requiring transplantation. WJG. 2016;22(45):10071. doi: 10.3748/wjg.v22.i45.10071. https://doi.org/ 10.3748/wjg.v22.i45.10071
  • Cuenoud B, Hartweg M, Godin JP, et al. Metabolism of Exogenous D-Beta-Hydroxybutyrate, an Energy Substrate Avidly Consumed by the Heart and Kidney. Front Nutr. 2020;7(13). https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7042179/
  • Hadi A, Pourmasoumi M, Najafgholizadeh A, Clark CCT, Esmaillzadeh A. The effect of apple cider vinegar on lipid profiles and glycemic parameters: a systematic review and meta-analysis of randomized clinical trials. BMC Complement Med Ther. 2021;21(1):179.doi: 10.1186/s12906-021-03351-w. https://doi.org/10.1186/s12906-021-03351-w
  • Hamilton K, Angadi S, Kranz S. The effects of vinegar/acetic acid intake on appetite measures and energy consumption: a systematic literature review. Current Developments in Nutrition. 2022;6:285. doi: 10.1093/cdn/nzac053.026. https://doi.org/10.1093/cdn/nzac053.026
  • Launholt, T. L., Kristiansen, C. B., & Hjorth, P. (2020). Safety and side effects of apple vinegar intake and its effect on metabolic parameters and body weight. European Journal of Nutrition, 59(6), 2273–2289. https://doi.org/10.1007/s00394-020-02214-3
  • Diabetes UK. Ketones and Diabetes. https://www.diabetes.org.uk/guide-to-diabetes/managing-your-diabetes/ketones-and-diabetes
  • Reuters. (2023) Fact Check team. Oprah has yet to launch weight loss gummies, contrary to online posts. https://www.reuters.com/article/idUSL1N34W300/
  • Cleveland Clinic (2023). Do Keto Gummies Work for Weight Loss? Are They Safe? https://health.clevelandclinic.org/keto-gummies


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