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Raspberry ketone became popular for weight loss in 2012 after it was mentioned on the American television program The Dr. Oz Show. According to media reports raspberry ketone is a “miracle fat-burner in a bottle”, which explains why it quickly became extremely popular among consumers. But is there any reliable scientific evidence that it works for improving weight loss? How does it work and are there any health concerns? In this week’s article, find out the truth about raspberry ketone!

What is it?

Raspberry ketone is a chemical from red raspberries, most commonly used for weight loss and obesity. It is also used as a supplement to increase lean body mass. Raspberry ketone is often found in foods, cosmetics, and other manufacturing as a fragrance or flavouring agent.

How does it work?

Some animals or lab research shows that it might increase some measures of metabolism and it might also affect a hormone in the body called adiponectin. Adiponectin is a protein hormone that regulates a number of metabolic processes, including glucose metabolism and fatty acid oxidation. Moreover, the levels of this hormone are inversely correlated with body fat percentage in adults which means it plays an important role in weight loss. However, keep in mind that there is no reliable scientific evidence that raspberry ketones can improve weight loss and these are only theories that may or may not actually work.

What does the science say?

According to studies on mice the addition of raspberry ketone helped reduce body weight by speeding up processing of fat, and reduce fatty tissue, especially liver fat stores. However, this was a small study of six mice and the same effects have not been tested or observed in humans.

During a Korean study in 2010 scientists investigated the way raspberry ketones may work to prevent obesity. They concluded that by stimulating lipolysis (the breakdown of fats) and other chemical processes, raspberry ketones suppress fat accumulation and improve fat metabolism. In this case, the effects of raspberry ketones were documented but the underlying mechanism of how this worked was not clearly understood. Also, the research conducted only involved isolated cells in test tubes. There is no way to know whether the same results would be produced in people.

The appropriate dose of raspberry ketone depends on several factors such as the user’s age, health, and several other conditions. It has never been scientifically studied in humans to determine if it causes side effects. Therefore, there isn’t enough information available to know if raspberry ketone is safe to take as a supplement. It is possible that it might cause feelings of jitteriness, increase blood pressure, or rapid heartbeat so make sure you consult a health professional before using it.

In conclusion, raspberry ketone may or may not be effective in weight loss and the results may be different from person to person. Until more clinical studies show positive results in humans, my advice would be to concentrate on a healthy, balanced diet and regular exercise. Both of these have been shown to be effective ways to manage weight.

By Kleio Bathrellou
Associate Nutritionist

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