
Sensa is an American brand of diet aid created by Dr. Alan Hirsch, a neurologist and psychiatrist. Sensa crystals are flavoured granules that users sprinkle on their food, which supposedly curbs appetite and promotes weight loss without dieting or exercise. While Sensa was marketed as clinically proven, the product has faced controversy and lawsuits, with critics pointing to a lack of scientific evidence, flawed research methodology, and false advertising. The Federal Trade Commission (FTC) reached a $26.5 million settlement with Sensa's marketers in 2014, and the company ceased operations. So, is the Sensa diet safe? The answer remains unclear, with some raising concerns about its effectiveness and potential health risks, while others defend its ability to aid weight loss without negative consequences.
| Characteristics | Values |
|---|---|
| Appetite Suppression | Sensa crystals are claimed to suppress appetite by enhancing the smell and taste of food. |
| Ingredients | Sensa crystals contain sugar (maltodextrin), natural and artificial flavors, and may contain soy and milk extracts. |
| Serving Size | Serving sizes are small, making the product technically sugar-free and calorie-free. |
| Marketing Claims | Sensa was marketed as a "revolutionary weight loss system" that allows users to "eat what they like and still lose weight." |
| Credibility | The research supporting Sensa lacks credibility due to a lack of peer review, conflicts of interest, and insufficient evidence of weight loss. |
| Regulatory Action | The Federal Trade Commission (FTC) fined the company $26.5 million in 2014 for false and deceptive advertising practices. |
| Safety Concerns | While Sensa settled a false advertising charge, it denied any admission of wrongful conduct or challenges to the product's safety. |
| Effectiveness | There is a lack of scientific evidence that Sensa is effective for weight loss, and experts question the ingredients' impact on appetite. |
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What You'll Learn

Sensa crystals: sugar, flavourings, soy and milk
Sensa crystals are designed to be sprinkled on food as an appetite suppressant. The crystals are flavoured and scented to enhance the taste and smell of food. The idea is that the enhanced sensory experience will make people feel fuller while eating less.
Sensa crystals contain the sugar maltodextrin, a carbohydrate made from corn starch, along with natural and artificial flavourings. They may also contain soy and milk extracts. The makers of Sensa claim that because the serving sizes are so small, the product is technically sugar-free and calorie-free.
There is some scepticism about the effectiveness of Sensa crystals. While it is acknowledged that flavours and aromas can have an effect on appetite, there is no evidence that small amounts of maltodextrin or any blend of “artificial and natural flavours” have dramatic effects on appetite. Adam Drewnowski, director of the nutritional sciences program at the University of Washington in Seattle, claims that there are no active ingredients in Sensa. He also points out that the Sensa study was not published in a peer-reviewed journal, which means there are unanswered questions about the design of the study and the results. For example, it is unclear how the subjects were selected, how they were weighed, and the range of weight lost.
Despite the scepticism, Sensa crystals have gained popularity, with people sharing their positive experiences and results online.
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Sensa's safety: no evidence of harm or benefit
Sensa is an American brand of diet aid created by Dr. Alan Hirsch, a neurologist and psychiatrist. Sensa is a powder that users sprinkle on their food, which supposedly turns off appetite without any drugs or stimulants. The powder is said to activate the olfactory (smell-sensing) part of the brain that helps control appetite.
Sensa crystals contain the sugar maltodextrin along with natural and artificial flavors and, in some cases, soy and milk extracts. The product is technically sugar-free and calorie-free because the serving sizes are so small.
Sensa's safety has been a subject of controversy and lawsuits. In 2014, the Federal Trade Commission (FTC) reached a $26.5 million settlement with the marketers of Sensa after accusing the company and Dr. Hirsch of false and deceptive advertising practices. The settlement involved no admission of wrongful conduct by Sensa and did not challenge the product's safety. However, the FTC barred Dr. Hirsch from making weight-loss claims about dietary supplements, food, or drugs unless backed by two adequate and well-controlled human clinical trials.
While there is no evidence that Sensa is harmful, there is also no evidence that it is effective in aiding weight loss. Critics of Sensa have pointed out several issues with Dr. Hirsch's research, including a lack of blinding, peer review, and independent verification, as well as conflicts of interest and contradictions in statistical claims. Furthermore, experts in the relevant fields of medicine have consistently disagreed with the scientific reasoning behind Sensa, stating that none of its ingredients have shown any properties that support the product's claims.
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Sensa's research: not peer-reviewed
Sensa is an American brand of diet aid created by Dr. Alan Hirsch, a neurologist and psychiatrist. Sensa is a powder that supposedly suppresses appetite without the use of drugs or stimulants. The powder is said to activate the olfactory (smell-sensing) part of the brain that helps control appetite.
Sensa crystals contain the sugar maltodextrin along with natural and artificial flavors and, in some cases, soy and milk extracts. The product is technically sugar-free and calorie-free because the serving sizes are so small.
Sensa's creators claim that the product is \"clinically proven\" to cause substantial weight loss without dieting or exercise, averaging 30 pounds in six months. However, Sensa's research has been criticized for not being blinded, not being peer-reviewed, and not being verified by any independent medical or health organization.
One of the main issues with Sensa's research is that it was not blinded, meaning that both the researchers and the subjects knew who was given Sensa and who was given a placebo. This creates a conflict of interest and exposes the study to outcomes driven by the placebo effect.
Another issue is that the results of the studies have not been duplicated by other researchers. In addition, all the studies have been conducted by organizations affiliated with Sensa, which creates a financial conflict of interest.
Furthermore, Sensa's statistical claims in their infomercials have been contradicted by information shown on product patents. Experts from the fields of medicine and health-weight issues have consistently disagreed with the scientific reasoning behind Sensa, noting that none of the ingredients in Sensa have shown any weight-loss properties.
In 2014, the Federal Trade Commission (FTC) reached a $26.5 million settlement with the marketers of Sensa after accusing the company and Hirsch of false and deceptive advertising practices. As a result of the settlement, Hirsch is barred from making weight-loss claims about dietary supplements, food, or drugs unless they are backed up by two adequate and well-controlled human clinical trials.
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Sensa's marketing: false advertising
Sensa is an American brand of diet aid created by Dr. Alan Hirsch, a neurologist and psychiatrist. Sensa is marketed as a weight-loss system that will "change your life". Users are assured that they can "eat what [they] like and still lose weight". The product comes in the form of a powder that users sprinkle on their food, which supposedly turns off appetite without any drugs or stimulants.
However, Sensa's marketing has been criticized for false advertising. In 2014, the Federal Trade Commission (FTC) reached a $26.5 million settlement with the marketers of Sensa after accusing the company and Dr. Hirsch of false and deceptive advertising practices. The settlement followed concerns about the credibility of the research used to support Sensa's weight-loss claims. Dr. Hirsch's studies, which found that participants lost an average of 30-33.6 pounds in six months, were criticized for not being blinded, not including a placebo group, and not monitoring participants' diet and exercise. Additionally, none of Sensa's internal studies have been confirmed by peer-reviewed medical journals, and experts in the field have disagreed with the scientific reasoning behind the product.
As a result of the settlement, Dr. Hirsch is barred from making weight-loss claims about dietary supplements, food, or drugs unless they are backed up by two adequate and well-controlled human clinical trials. The settlement also highlighted the potential risks of false advertising in the weight-loss industry, with critics arguing that companies should not be able to make unsubstantiated claims about the effectiveness of their products.
While some users have reported weight loss after using Sensa, the product's effectiveness has not been proven, and there are concerns about the lack of scientific evidence supporting its claims. As such, Sensa's marketing has come under scrutiny for potentially misleading consumers and taking advantage of those struggling with weight loss.
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Sensa's creator: Dr. Alan Hirsch
Dr. Alan Hirsch is a board-certified neurologist and psychiatrist with 46 years of experience in the field of medicine. He is the founder of the Smell & Taste Treatment and Research Foundation, a Chicago-based treatment centre for people with smell and taste disorders. Dr. Hirsch has dedicated his career to studying the sensory system of the human body and is America's foremost researcher on the effects of odours and flavours on human emotion, mood, and behaviour.
Dr. Hirsch has conducted and published over 180 research studies and authored 8 books, including "Scent-sational Weight Loss" and "What Flavor is Your Personality". He has also appeared on numerous television programs. His research focuses on the impact of smell and taste on weight loss, and he has helped create the sensory experiences for thousands of products and places.
The Sensa Weight-Loss System is a product of Dr. Hirsch's research. It is a powder that users sprinkle on their food, which supposedly suppresses appetite without the use of drugs or stimulants. Each packet contains a formula for savoury and sweet foods, enhancing the smell and taste of the food. The powder is said to activate the olfactory (smell-sensing) part of the brain that helps control appetite.
While some users have reported positive results and weight loss, there has been controversy surrounding Sensa. The Federal Trade Commission (FTC) fined the company for $26 million due to false advertising and bogus claims. There is also scepticism about the effectiveness of the product, with experts questioning the lack of evidence and the absence of active ingredients.
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Frequently asked questions
Sensa is a diet aid in the form of flavoured crystals that are sprinkled on food. The product has been the subject of controversy and lawsuits, with the Federal Trade Commission (FTC) accusing the company of false and deceptive advertising practices. While Sensa may not be perfectly healthy, there is no evidence that it is unsafe. However, there is also no scientific evidence that it is effective for weight loss.
Sensa crystals contain the sugar maltodextrin, natural and artificial flavours, and sometimes soy and milk extracts. The serving sizes are very small, so the product is technically sugar-free and calorie-free.
Experts have criticised the research behind Sensa, pointing out that the studies were not blinded, have not been peer-reviewed, and have not been verified by independent medical or health organisations. There is also no evidence that the ingredients in Sensa have any effect on appetite or weight loss.











































