Metabolism Review

Članak

Sagoriva li dijeta s malo ugljikohidrata više kalorija?

Updated 3 min read 40 citations

Složeni mikroskop postavljen na klupi sveučilišnog laboratorija
syed sajidul islam · CC BY 4.0 · Wikimedia Commons

Godinama je jedna od najpopularnijih tvrdnji u prehrani bila da dijete s niskim udjelom ugljikohidrata sagorijevaju više kalorija od drugih dijeta pri istom kalorijskom unosu — takozvana "metabolička prednost" koja bi olakšala mršavljenje pri identičnom unosu. To je provjerljiva tvrdnja i ona je provjerena. Evo što brojke zapravo pokazuju.

Tvrdnja, precizno formulirana

Ideja je mehanistička i na prvi pogled uvjerljiva: unos ugljikohidrata povećava razinu inzulina, inzulin potiče pohranu masti i može suzbiti oksidaciju masti, pa bi dijeta s manje ugljikohidrata i nižim inzulinom, teoretski, trebala ostaviti više energije dostupne za sagorijevanje umjesto pohranjivanja — i to pri istom kalorijskom unosu. Ovo se ponekad naziva ugljikohidratno-inzulinski model pretilosti. To je stvarna hipoteza sa stvarnom biološkom uvjerljivošću, upravo zato je zasluživala izravno testiranje, a ne trajno mjesto u dijetetskom folkloru.

Što su pokazala kontrolirana istraživanja

Meta-analiza koja je ponovno analizirala 29 kontroliranih istraživanja hranjenja posebno je promatrala povećava li dijeta s manje ugljikohidrata ukupnu potrošnju energije u usporedbi s dijetom s više ugljikohidrata pri istom kalorijskom unosu [8]. To je pravi tip dokaza za ovo pitanje: kontrolirano hranjenje uklanja pogrešku u samoprijavljivanju koja opterećuje istraživanja prehrane u svakodnevnom životu, a usklađivanje kalorija izolira sastav prehrane od jednostavnog smanjenja kalorija — te dvije stvari inače je gotovo nemoguće razdvojiti, a taj problem ova stranica na stranici o potrošnji energije obrađuje u kontekstu praćenja prehrane općenito.

Zasebno randomizirano istraživanje ispitivalo je potrošnju energije posebno tijekom održavanja mršavljenja na dijeti s niskim udjelom ugljikohidrata, a ne tijekom aktivnog gubitka težine [17]. Održavanje je teži i relevantniji test, jer je to upravo razdoblje u kojem je adaptivna termogeneza — smanjenje potrošnje energije koje slijedi nakon mršavljenja, obrađeno na stranici o metaboličkoj adaptaciji — najizraženija.

Treće istraživanje izravno je promatralo energetsku potrošnju u mirovanju nakon aktivnog mršavljenja kod različitih sastava makronutrijenata [3].

Iskreno tumačenje istraživanja

IstraživanjeŠto zapravo izoliraŠto ne pokazuje
Ponovna analiza 29 kontroliranih istraživanja hranjenja [8]Mijenja li sam sadržaj ugljikohidrata, pri istom kalorijskom unosu, ukupnu potrošnju energijeJe li pronađeni učinak dovoljno velik da bude relevantan za mršavljenje u stvarnom životu
Istraživanje održavanja na dijeti s niskim udjelom ugljikohidrata [17]Potrošnju energije posebno tijekom faze održavanja, a ne aktivnog gubitka težineDugoročnu održivost izvan vremenskog okvira praćenja samog istraživanja
Sastav makronutrijenata i potrošnju energije u mirovanju nakon mršavljenja [3]Potrošnju energije u mirovanju, a ne ukupnu dnevnu potrošnju, koja uključuje i tjelesnu aktivnostPridržavanje dijete u svakodnevnom životu, koje je zaseban i često značajniji čimbenik ishoda

Obrazac koji se pojavljuje u ovom skupu istraživanja jest da je učinak metaboličke prednosti, ako uopće postoji u strogo kontroliranim uvjetima, mali u odnosu na učinak jednostavnog manjeg unosa hrane — a mali učinci mjereni u laboratorijskim uvjetima hranjenja ne prevode se pouzdano u značajnu prednost u stvarnom životu kada ljudi sami odabiru što jedu. To ne znači da su ugljikohidrati i inzulin irelevantni za regulaciju tjelesne težine; znači da specifična tvrdnja da ograničenje ugljikohidrata značajno povećava broj sagorenih kalorija, neovisno o tome što se jede, nije dobro potkrijepljena najsnažnijim dostupnim dizajnom istraživanja.

Gdje je priča o inzulinu i dalje važna

Ništa od ovoga ne razrješava pitanje utječe li inzulinska rezistencija na regulaciju tjelesne težine u širem smislu — to je zasebno i složenije pitanje, obrađeno na stranici o inzulinskoj rezistenciji. Ovo razrješava užu, specifičnu tvrdnju: da smanjenje unosa ugljikohidrata pri istom kalorijskom unosu pouzdano povećava broj kalorija koje tijelo sagorijeva. Dokazi iz istraživanja za tu specifičnu tvrdnju su slabi. Dijeta s niskim udjelom ugljikohidrata i dalje može biti učinkovit način mršavljenja za mnoge ljude — obično jer olakšava manji ukupni unos hrane, a ne otključavanjem dodatnog sagorijevanja kalorija.

Često postavljana pitanja

Pomaže li smanjenje unosa ugljikohidrata pri istoj razini kalorija u gubitku više kilograma?
Kontrolirani dokazi za značajnu prednost u ukupnoj potrošnji energije koja bi proizlazila samo iz ograničenja ugljikohidrata, pri istom kalorijskom unosu, slabi su [8].
Zašto se ljudima čini da dijete s niskim udjelom ugljikohidrata "jednostavno funkcioniraju" za njih?
Najvjerojatnije zato što dijete s niskim udjelom ugljikohidrata za mnoge ljude imaju veći učinak sitosti i lakše ih je održavati u kalorijskom deficitu — riječ je o učinku pridržavanja, a ne nužno o metaboličkom učinku.
Je li ugljikohidratno-inzulinski model pretilosti pogrešan?
Specifično predviđanje tog modela o ukupnoj potrošnji energije nije se dobro potvrdilo u najstrože kontroliranim istraživanjima hranjenja, no šira uloga inzulina u regulaciji tjelesne težine ostaje aktivno područje istraživanja — pogledajte stranicu o inzulinskoj rezistenciji.
Vrijedi li to jednako tijekom aktivnog mršavljenja i tijekom održavanja težine?
Istraživanje faze održavanja i istraživanja aktivnog gubitka težine oba upućuju u istom smjeru, ali mjere različite stvari — potrošnju energije specifično tijekom faze održavanja u odnosu na potrošnju energije u mirovanju nakon mršavljenja — tako da su dokazi komplementarni, a ne identični [17] [3].
Tanjur za doručak s tortiljom, kajganom, sirom, povrćem i sokom od naranče
Prikazano kako bi se pokazale svih pet skupina namirnica korištenih u prehrambenim smjernicama Sjedinjenih Američkih Država. U.S. Department of Agriculture · Public domain · Wikimedia Commons

Povezano štivo

Dokazi na kojima se temelji ova stranica Stupčasti grafikon koji prikazuje sastav 31 publikacija citiranih na ovoj stranici prema vrsti studije. 91633meta-analysis (9)randomised trial (16)review (3)other (3)
31 publikacija, 1989.–2025. Riječ je o miješanom skupu koji sadrži i klinička ispitivanja i sinteze, što je pozicija s koje je tvrdnja o uzročnosti opravdana. Izvor: popis citata ove stranice, u nastavku.

References

Every citation below links to the original peer-reviewed record on PubMed or via DOI. Nothing here is a substitute for medical advice.

  1. Describing Energy Expenditure in Children with a Chronic Disease: A Systematic Review Luo B, Davidson ZE, O'Brien K, et al. · Advances in nutrition (Bethesda, Md.) · 2024 · Systematic review DOIPubMed 38432591Full text
  2. Total energy expenditure measured using doubly labeled water in adults with major chronic diseases: a systematic review Purcell SA, Craven SA, Limon-Miro AT, et al. · The American journal of clinical nutrition · 2024 · Systematic review DOIPubMed 39209153Full text
  3. The effects of dietary macronutrient composition on resting energy expenditure following active weight loss: A systematic review and meta-analysis Ho DKN, Liao YC, Mayasari NR, et al. · Obesity reviews : an official journal of the International Association for the Study of Obesity · 2024 · Meta-analysis DOIPubMed 38697953
  4. Validity of dietary assessment methods compared with doubly labeled water in children: A systematic review and meta-analysis Mehranfar S, Jalilpiran Y, Jafari A, et al. · Obesity reviews : an official journal of the International Association for the Study of Obesity · 2024 · Meta-analysis DOIPubMed 38783784
  5. Estimates of Resting Energy Expenditure and Total Energy Expenditure Using Predictive Equations for Individuals After Bariatric Surgery: a Systematic Review with Meta-analysis Macena ML, Silva Júnior AE, Melo JM, et al. · Obesity surgery · 2023 · Meta-analysis DOIPubMed 37889369
  6. Estimates of resting energy expenditure and total energy expenditure using predictive equations in adults with overweight and obesity: a systematic review with meta-analysis Macena ML, Paula DTDC, da Silva Júnior AE, et al. · Nutrition reviews · 2022 · Meta-analysis DOIPubMed 35551409
  7. Chronic Obstructive Pulmonary Disease: A 2019 Evidence Analysis Center Evidence-Based Practice Guideline Hanson C, Bowser EK, Frankenfield DC, et al. · Journal of the Academy of Nutrition and Dietetics · 2021 · Systematic review DOIPubMed 32081589
  8. Do Lower-Carbohydrate Diets Increase Total Energy Expenditure? An Updated and Reanalyzed Meta-Analysis of 29 Controlled-Feeding Studies Ludwig DS, Dickinson SL, Henschel B, et al. · The Journal of nutrition · 2021 · Meta-analysis DOIPubMed 33274750Full text
  9. Does increased exercise or physical activity alter ad-libitum daily energy intake or macronutrient composition in healthy adults? A systematic review Donnelly JE, Herrmann SD, Lambourne K, et al. · PloS one · 2014 · Systematic review DOIPubMed 24454704Full text
  10. Estimating activity energy expenditure: how valid are physical activity questionnaires? Neilson HK, Robson PJ, Friedenreich CM, et al. · The American journal of clinical nutrition · 2008 · Meta-analysis DOIPubMed 18258615
  11. Adaptive Thermogenesis After Hypocaloric Low-Carbohydrate Versus Low-Fat Diets in African American Women: A Secondary Analysis Lopez Torres SY, Gower BA, Garvey WT, et al. · Obesity (Silver Spring, Md.) · 2025 · Randomised controlled trial DOIPubMed 40931394Full text
  12. Measuring dietary intake among participants with a urea cycle disorder using standard diet records or a novel food photography app Sim E, Gregor A, MacLeod E, et al. · Molecular genetics and metabolism · 2025 · Randomised controlled trial DOIPubMed 41242089Full text
  13. A Randomized, Crossover Trial Assessing Appetite, Energy Metabolism, Blood Biomarkers, and Ad Libitum Food Intake Responses to a Mid-Morning Pecan Snack vs. an Equicaloric High-Carbohydrate Snack in Healthy Volunteers with Overweight/Obesity Peters JC, Breen JA, Pan Z, et al. · Nutrients · 2024 · Randomised controlled trial DOIPubMed 38999832Full text
  14. Effect of Sleep Extension on Objectively Assessed Energy Intake Among Adults With Overweight in Real-life Settings: A Randomized Clinical Trial Tasali E, Wroblewski K, Kahn E, et al. · JAMA internal medicine · 2022 · Randomised controlled trial DOIPubMed 35129580Full text
  15. Energy balance in hypothalamic obesity in response to treatment with a once-weekly GLP-1 receptor agonist Shoemaker AH, Silver HJ, Buchowski M, et al. · International journal of obesity (2005) · 2022 · Randomised controlled trial DOIPubMed 34975146Full text
  16. A high-carbohydrate diet lowers the rate of adipose tissue mitochondrial respiration Bikman BT, Shimy KJ, Apovian CM, et al. · European journal of clinical nutrition · 2022 · Randomised controlled trial DOIPubMed 35177807Full text
  17. Impaired Metabolic Flexibility to High-Fat Overfeeding Predicts Future Weight Gain in Healthy Adults Begaye B, Vinales KL, Hollstein T, et al. · Diabetes · 2020 · Randomised controlled trial DOIPubMed 31712321Full text
  18. Compensatory mechanisms activated with intermittent energy restriction: A randomized control trial Coutinho SR, Halset EH, Gåsbakk S, et al. · Clinical nutrition (Edinburgh, Scotland) · 2018 · Randomised controlled trial DOIPubMed 28446382
  19. Meal timing effects on insulin sensitivity and intrahepatic triglycerides during weight loss Versteeg RI, Ackermans MT, Nederveen AJ, et al. · International journal of obesity (2005) · 2018 · Randomised controlled trial DOIPubMed 28811653
  20. Effects of a low carbohydrate diet on energy expenditure during weight loss maintenance: randomized trial Ebbeling CB, Feldman HA, Klein GL, et al. · BMJ (Clinical research ed.) · 2018 · Randomised controlled trial DOIPubMed 30429127Full text
  21. A randomized cross-over study of the effects of macronutrient composition and meal frequency on GLP-1, ghrelin and energy expenditure in humans Ingves S, Vilhelmsson N, Ström E, et al. · Peptides · 2017 · Randomised controlled trial DOIPubMed 28487141
  22. Isocaloric Diets High in Animal or Plant Protein Reduce Liver Fat and Inflammation in Individuals With Type 2 Diabetes Markova M, Pivovarova O, Hornemann S, et al. · Gastroenterology · 2017 · Randomised controlled trial DOIPubMed 27765690
  23. Breakfast Macronutrient Composition Influences Thermic Effect of Feeding and Fat Oxidation in Young Women Who Habitually Skip Breakfast Neumann BL, Dunn A, Johnson D, et al. · Nutrients · 2016 · Randomised controlled trial DOIPubMed 27517958Full text
  24. The doubly labeled water method produces highly reproducible longitudinal results in nutrition studies Wong WW, Roberts SB, Racette SB, et al. · The Journal of nutrition · 2014 · Randomised controlled trial DOIPubMed 24523488Full text
  25. Impact of energy restriction with or without resistance training on energy metabolism in overweight and obese postmenopausal women: a Montreal Ottawa New Emerging Team group study St-Onge M, Rabasa-Lhoret R, Strychar I, et al. · Menopause (New York, N.Y.) · 2013 · Randomised controlled trial DOIPubMed 22968252
  26. Caffeine intake, short bouts of physical activity, and energy expenditure: a double-blind randomized crossover trial Júdice PB, Matias CN, Santos DA, et al. · PloS one · 2013 · Randomised controlled trial DOIPubMed 23869233Full text
  27. Effect of dietary protein content on weight gain, energy expenditure, and body composition during overeating: a randomized controlled trial Bray GA, Smith SR, de Jonge L, et al. · JAMA · 2012 · Randomised controlled trial DOIPubMed 22215165Full text
  28. Validation of a pre-coded food record for infants and young children Gondolf UH, Tetens I, Hills AP, et al. · European journal of clinical nutrition · 2012 · Randomised controlled trial DOIPubMed 21829216
  29. Approaches for quantifying energy intake and %calorie restriction during calorie restriction interventions in humans: the multicenter CALERIE study Racette SB, Das SK, Bhapkar M, et al. · American journal of physiology. Endocrinology and metabolism · 2012 · Randomised controlled trial DOIPubMed 22127229Full text
  30. Short sleep duration increases energy intakes but does not change energy expenditure in normal-weight individuals St-Onge MP, Roberts AL, Chen J, et al. · The American journal of clinical nutrition · 2011 · Randomised controlled trial DOIPubMed 21715510Full text
  31. Monitoring energy intake: a hand-held personal digital assistant provides accuracy comparable to written records McClung HL, Sigrist LD, Smith TJ, et al. · Journal of the American Dietetic Association · 2009 · Randomised controlled trial DOIPubMed 19559143
  32. Effect of dietary macronutrient composition under moderate hypocaloric intake on maternal adaptation during lactation Mohammad MA, Sunehag AL, Haymond MW · The American journal of clinical nutrition · 2009 · Randomised controlled trial DOIPubMed 19386740Full text
  33. Calcium and dairy product modulation of lipid utilization and energy expenditure Teegarden D, White KM, Lyle RM, et al. · Obesity (Silver Spring, Md.) · 2008 · Randomised controlled trial DOIPubMed 18421269
  34. A diet enriched in eicosapentanoic acid, gamma-linolenic acid and antioxidants in the prevention of new pressure ulcer formation in critically ill patients with acute lung injury: A randomized, prospective, controlled study Theilla M, Singer P, Cohen J, et al. · Clinical nutrition (Edinburgh, Scotland) · 2007 · Randomised controlled trial DOIPubMed 17933438
  35. A MUFA-rich diet improves posprandial glucose, lipid and GLP-1 responses in insulin-resistant subjects Paniagua JA, de la Sacristana AG, Sánchez E, et al. · Journal of the American College of Nutrition · 2007 · Randomised controlled trial DOIPubMed 17914131
  36. Training, muscle volume, and energy expenditure in nonobese American girls Eliakim A, Scheett T, Allmendinger N, et al. · Journal of applied physiology (Bethesda, Md. : 1985) · 2001 · Randomised controlled trial DOIPubMed 11133891
  37. Dietary composition and physiologic adaptations to energy restriction Agus MS, Swain JF, Larson CL, et al. · The American journal of clinical nutrition · 2000 · Randomised controlled trial DOIPubMed 10731495Full text
  38. Components of total energy expenditure in healthy young women are not affected after 14 days of feeding with medium-versus long-chain triglycerides Papamandjaris AA, White MD, Jones PJ · Obesity research · 1999 · Randomised controlled trial DOIPubMed 10348498
  39. Validity and reliability of reported dietary intake data Howat PM, Mohan R, Champagne C, et al. · Journal of the American Dietetic Association · 1994 · Randomised controlled trial DOIPubMed 8300993
  40. Genes, lifestyles and obesity Marti A, Moreno-Aliaga MJ, Hebebrand J, et al. · International journal of obesity and related metabolic disorders : journal of the International Association for the Study of Obesity · 2004 · Review DOIPubMed 15543216

This page was translated automatically from English. The citations and numbers are unchanged. Read the English original if anything reads oddly. Read the English original