What if the secret to a healthy, sustainable diet wasn’t in what you eat, but when you did it? This is precisely the founding principle of Chrononutrition®, a method developed in France at the end of the 1980s by Dr. Alain Delabos, a doctor specializing in geriatrics. For more than 40 years now, this concept has won over several million people around the world, seduced by an approach which, far from frustrating, offers to relearn how to listen to your body and its natural rhythms.
At the house of Health & Wellness Magazinewe wanted to get to the bottom of things: what exactly is Chrononutrition®? How does it work? And how can we practically support ourselves on a daily basis?
Chrononutrition®: much more than just a diet
Unlike traditional diets which are based on the restriction or exclusion of certain foods, Chrononutrition® is based on a radically different postulate: our body does not process nutrients in the same way depending on the time of day. This physiological reality, anchored in our chronobiologyis today the subject of numerous research studies.
Dr. Delabos, after studying the metabolic and biological rhythms of the human body as well as ancestral eating behaviors, drew a simple but powerful conclusion: our dietary errors are not due to the choice of foods or the quantities, but to the moment of their consumption. A fatty cheese in the morning will be metabolized much better than a sweet dessert in the evening, simply because the digestive enzymes secreted are not the same.
Concretely, enzymatic and hormonal secretions vary throughout the day. In the morning, the secretion of lipases and proteases is at its maximum, which promotes the digestion of fats and proteins. At midday, proteases and amylases take over to process proteins and slow carbohydrates. In the middle of the afternoon, a peak in blood cortisol naturally causes hypoglycemia which can be compensated for with fruits or slightly sweet foods. Finally, in the evening, digestive secretions slow down and it is better to favor light meals based on lean proteins and vegetables. These biological mechanisms are very real, even if their precise implications on weight loss are still the subject of in-depth scientific studies.
A method that adapts to each profile
What distinguishes Chrononutrition® from a classic diet is also its personalized approach. The quantities of authorized foods are not fixed: they vary according to the size and morphotype of each individual. We do not prescribe the same portions to a person of 1.55 m with a fine frame as to a man of 1.85 m with a strong build. This attention to the individual rather than just calories is one of the reasons why the method is often better tolerated in the long term.
Chrononutrition® is also available in the form of a more intensive and short program, called a starter diet, developed by Dr Delabos himself. Lasting a maximum of four weeks, it offers a stricter dietary framework to initiate rapid rebalancing. To go further, there is also the chronodiet, which uses the same principles by integrating them into an overall lifestyle approach.
Also note: the method provides for two so-called “joker” meals per week, during which complete freedom is allowed. A welcome flexibility which makes the method compatible with a normal social life, a significant point for lasting observance.
Dietary supplements designed to support your program
If Chrononutrition® is primarily based on diet, certain supplements can prove useful to fill deficiencies, support the body during rebalancing phases or provide energy during key moments of the day.
This is precisely the ambition of Biochrono.netthe official online sales site of the Rouen-based company Chronoselling, a key player in the world of Chrononutrition® since 2008. Official representative of the method, Biochrono offers a range of products developed by a chrononutritionist doctor from IRENS (European Research Institute on Nutrition and Health), all manufactured by French laboratories recognized for their know-how.
Among the store’s must-haves, Chrono-Vita+ is a complex of minerals, vitamins and trace elements designed to support energy metabolism, reduce fatigue and contribute to skin health. The Chrono-Joker plays a particularly interesting role around periods of dietary excesses: composed in particular of milk thistle and artichoke, it helps to drain the liver and eliminate accumulated fat. Ideal before and after the holidays, or during joker meals of the method.
The crunchy protein bars, available in several flavors (vanilla, chocolate-caramel, lemon tart, etc.), intelligently complement the afternoon program, that time of day when sweet cravings are felt. Tasty, practical and adapted to the biological rhythm of the method, they allow you to hold on without giving in to bad reflexes. The range also includes solutions and sprays which act on the body’s natural drainage, promoting renal elimination and facilitating weight loss.
Beyond the products, Biochrono also offers support from coaches specialized in Chrononutrition®, as well as a selection of recipe books and practical guides for those who wish to learn the method in depth.
What research says about food chronobiology
Chrononutrition® is part of a broader scientific field which is of increasing interest to the medical community: chrono-pharmacology and chronobiology. Work published in recent years shows that meal times play a real role in the regulation of weight, glucose metabolism and even the quality of sleep. The field of chrono-nutrition is still in full development, and new studies regularly enrich the understanding of these mechanisms.
Institutions like theInserm or theHandles are increasingly interested in the links between biological rhythms and eating behaviors. If all the claims specific to Chrononutrition® are not yet unanimous in the scientific community, the founding principle of a diet synchronized with the internal biological clock finds an increasing echo in contemporary research.
Some precautions to keep in mind
As with any nutritional approach, Chrononutrition® is not without points of vigilance. Its relatively high content of animal proteins and saturated fatty acids can, in the long term and without adaptation, weigh on cardiovascular and renal health. Nutrition professionals recommend including enough vegetables, fruits, whole grains and plant proteins to ensure sufficient fiber intake and a truly balanced diet.
To get the most out of the method, it is best to be accompanied by a dietician-nutritionist or a doctor trained in Chrononutrition®. Coaches available on biochrono.net can constitute a good starting point for structuring your approach.
Chrononutrition®, a global approach that has proven itself
More than three million people have adopted Chrononutrition® since its beginnings. Its success is undoubtedly due to what it offers: not yet another diet based on deprivation, but a real learning of the body and its needs. Eating fat in the morning without guilt, not depriving yourself of dessert at snack time, lightening your dinner naturally… so many actions which, repeated over the long term, can profoundly transform your relationship with food.
For people who want to go further and equip themselves with the right tools to successfully rebalance, the store Biochrono.net offers a complete range of official products, developed in conjunction with IRENS and manufactured in France. Concrete support for a method which is long-term.
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