Leena Watts
Dr. Valter Longo is an Italian-American scientist, researcher, and professor of gerontology and biological sciences. He is also the director of the Longevity Institute at the University of Southern California. Dr. Longo has developed a fasting-mimicking diet (FMD) that involves eating foods high in unsaturated fats but low in calories, proteins, and carbs for a period of 4-5 days. This diet is meant to mirror the effects of a water-only fast while providing enough calories to be considered safe. The FMD has been shown to improve muscle mass, cholesterol, blood pressure, and other areas in human studies.
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What You'll Learn
- The Fasting Mimicking Diet (FMD) is a clinically-tested nutritional breakthrough
- FMD is a 4-5 day period of consuming foods high in unsaturated fats but low in calories, proteins, and carbs
- FMD is meant to mirror the effects of a water-only fast while providing enough calories to be safe
- FMD is a very low-calorie/low-protein diet that causes changes in markers associated with stress resistance or longevity
- FMD promotes multi-system regeneration, enhanced cognitive performance, and health span
The Fasting Mimicking Diet (FMD) is a clinically-tested nutritional breakthrough
The FMD is a 5-day diet designed to mimic the effects of a water-only fast while still providing the body with essential nutrients. It involves consuming foods that are high in unsaturated fats but low in overall calories, protein, and carbohydrates. This causes the body to enter a fasting mode, triggering a range of beneficial effects, including reduced insulin resistance, liver fat, and immune system ageing.
The diet is based on healthy, natural products and ingredients, including plant-based soups, energy bars, drinks, chip snacks, and tea, as well as supplements providing high levels of minerals, vitamins, and essential fatty acids. In a randomized study, people who followed the FMD for five days per month for three months showed improvements in muscle mass, cholesterol, blood pressure, and other areas.
The FMD has been scientifically developed and clinically tested, with research showing that brief, periodic FMD cycles are associated with a range of health benefits. For example, in mouse studies, the FMD has been shown to promote stem cell regeneration, lessen chemotherapy side effects, and reduce biological age. In addition, a study published in Nature Communications in 2024 provided evidence of the FMD's ability to reduce biological age in humans, accompanied by rejuvenation of metabolic and immune function.
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FMD is a 4-5 day period of consuming foods high in unsaturated fats but low in calories, proteins, and carbs
The Fasting Mimicking Diet (FMD), developed by biogerontologist Valter Longo, is a 4-5 day period of consuming foods high in unsaturated fats but low in calories, proteins, and carbohydrates. The diet is designed to mimic the effects of a water-only fast while still providing the body with enough nutrients to function. It involves a plant-based diet, typically followed for 5 days once a month for 3 months.
The FMD is comprised of plant-based soups, energy bars, energy drinks, chip snacks, and tea portioned out for 5 days, along with a supplement providing high levels of minerals, vitamins, and essential fatty acids. The diet is designed to provide the body with enough nutrients to function while still triggering some of the beneficial effects of fasting, such as cellular rejuvenation and metabolic changes.
On the first day of the FMD, individuals are advised to consume 1,100 calories, with 11% from protein (121 calories), 44% fat, and 45% carbohydrates. From days 2 to 5, calorie intake is restricted to 725 per day, with 9% protein (65 calories), 44% fat (319 calories), and 47% carbohydrates (341 calories). It is important to drink at least 70 ounces of water each day during the FMD.
The FMD has been shown to have several potential health benefits. It can lead to reductions in body weight and body fat, improve metabolic health, reduce inflammation, and lower risk factors for age-related diseases. It has also been shown to promote cellular rejuvenation, improve cognitive function, and reduce biological age in trial patients. However, it is important to note that the FMD may not be suitable for everyone, and some individuals may experience side effects such as fatigue, weakness, and headaches. It is recommended that individuals consult with a registered dietitian or physician before starting the FMD or any other dietary program.
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FMD is meant to mirror the effects of a water-only fast while providing enough calories to be safe
The Fasting Mimicking Diet (FMD) is a 5-day diet programme developed by Dr Valter Longo, a professor of gerontology and biological sciences and the director of the Longevity Institute at the University of Southern California. FMD is meant to mirror the effects of a water-only fast while providing enough calories to be safe.
FMD is based on healthy natural products and ingredients. However, the body does not recognize that it is being fed, causing it to enter a fasting mode. The diet is high in unsaturated fats and low in overall calories, protein, and carbohydrates. It is designed to provide necessary nutrients and make it easier for people to complete the fast.
The diet includes plant-based soups, energy bars, energy drinks, chip snacks, and tea portioned out for 5 days, as well as a supplement providing high levels of minerals, vitamins, and essential fatty acids. In a randomized study, people who deployed FMD for five days per month for three months showed improvements in muscle mass, cholesterol, blood pressure, and other areas.
Previous research by Dr. Longo has shown that brief, periodic FMD cycles are associated with a range of beneficial effects, including the promotion of stem cell regeneration, lessening of chemotherapy side effects, and a reduction in insulin resistance, liver fat, immune system aging, and biological age. The Longo lab had also previously shown that one or two cycles of the FMD for 5 days a month increased the healthspan and lifespan of mice on either a normal or Western diet.
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FMD is a very low-calorie/low-protein diet that causes changes in markers associated with stress resistance or longevity
The Fasting Mimicking Diet (FMD) is a 5-day diet programme developed by Dr. Valter Longo, a professor of gerontology and biological sciences and the director of the Longevity Institute at the University of Southern California. FMD is a very low-calorie, low-protein, and low-carbohydrate diet designed to induce a fasting mode in the body while still providing essential nutrients. This diet consists of plant-based soups, energy bars, drinks, snacks, and tea, along with supplements rich in vitamins, minerals, and essential fatty acids.
The FMD is based on the concept of fasting without depriving the body of necessary nutrients. It aims to provide the benefits of a water-only fast while being safer and more manageable. During the diet, the body enters a fasting state, triggering changes associated with stress resistance and longevity.
The FMD has been clinically studied and shown to offer various health benefits. One study found that participants who followed the FMD for five days each month over three months experienced improvements in muscle mass, cholesterol levels, blood pressure, and other areas. Additionally, research on mice at the USC Leonard Davis School has indicated that periodic FMD cycles increased healthspan and lifespan.
The FMD is part of Dr. Longo's Longevity Diet, which also includes recommendations such as eating within a 12-hour window and focusing on foods traditionally consumed by one's ancestors. Dr. Longo suggests that FMD can be done two to four times a year and is an effective way to reset the body and promote longevity.
By adhering to the FMD, individuals can experience the benefits of fasting while still consuming essential nutrients, making it a safer and more accessible option compared to water-only fasting.
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FMD promotes multi-system regeneration, enhanced cognitive performance, and health span
The Fasting Mimicking Diet (FMD) is a five-day fasting program based on healthy natural products and ingredients. While the body receives nutrition, it is in quantities that are not recognised by the body, causing it to enter a fasting mode. Led by Dr. Valter Longo, the FMD program brings together multidisciplinary ageing research to enhance human healthspan.
FMD promotes multi-system regeneration by minimising the burden of prolonged fasting (PF). In mice, four days of FMD decreased the size of multiple organs and systems, and this was followed by an increase in progenitor and stem cells, leading to regeneration. Bi-monthly FMD cycles started at middle age were found to extend longevity, lower visceral fat, reduce cancer incidence and skin lesions, and rejuvenate the immune system.
In old mice, FMD cycles promoted hippocampal neurogenesis, lowered IGF-1 levels and PKA activity, and elevated NeuroD1, leading to improved cognitive performance. Clinical trials have shown that FMD cycles can decrease risk factors and biomarkers for ageing, diabetes, cardiovascular disease, and cancer without causing major adverse effects.
FMD also promotes stress resistance by causing low levels of glucose and IGF-1, and high levels of ketone bodies and IGFBP-1. The effects of FMD cycles on biomarkers and risk factors for various diseases, coupled with high compliance to the diet and its safety, indicate that this dietary strategy has the potential to be effective in promoting human healthspan.
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Frequently asked questions
The Valter Longo Fasting Mimicking Diet, or FMD, is a diet that involves eating foods high in unsaturated fats but low in calories, proteins, and carbs. It is meant to mirror the effects of a water-only fast while providing enough calories to be considered safe.
The Valter Longo Fasting Mimicking Diet has been shown to improve muscle mass, cholesterol, blood pressure, and other areas. It is meant to promote longevity and reduce the risk of age-related diseases such as cancer, diabetes, and cardiovascular disease.
The Valter Longo Fasting Mimicking Diet is not recommended for pregnant women, people who are underweight, and people with liver or kidney diseases. It is advised that anyone who does the diet does so under the supervision of a registered dietitian or physician.
