From:  Functional foods and nutraceuticals in metabolic and non-communicable diseases: an integrative review

 Functional foods and nutraceuticals in metabolic diseases.

Bioactive compoundTypology/examplesMain mechanisms of actionReference
Functional foods & nutraceuticals (general)Polyphenols, omega-3 fatty acids, fibers, phytosterols, peptidesRegulation of insulin sensitivity, lipid metabolism, mitochondrial function and inflammation[42]
ResveratrolGrapes, red wine (stilbene)Activation of AMPK and SIRT1; increased mitochondrial biogenesis; enhanced fatty acid oxidation; improved insulin sensitivity[43]
ResveratrolExperimental obesity modelsReduction of hepatic fat accumulation (~20–30% in animal models); decreased plasma glucose (~10–15%); attenuation of systemic inflammation[44]
ResveratrolDiet-induced obesity modelsImprovement of metabolic and inflammatory parameters[45]
CurcuminCurcuma longa (turmeric polyphenol)Inhibition of NF-κB; activation of Nrf2–ARE antioxidant pathway[46]
CurcuminClinical supplementation studiesReduction of fasting glucose, HbA1c and lipid peroxidation markers[47]
CurcuminType 2 diabetes/metabolic syndrome patientsImprovement of glycemic and oxidative stress parameters[48]
Green tea catechins (EGCG)Green tea polyphenolsInhibition of α-amylase and α-glucosidase; reduced carbohydrate absorption[49]
Green tea catechins (EGCG)Epigallocatechin gallateActivation of AMPK; increased lipid oxidation; increased energy expenditure[50]
AnthocyaninsCyanidin-3-glucoside, delphinidin (berries: blueberry, blackcurrant)Activation of AMPK; increased GLUT4 expression; improved insulin sensitivity; antioxidant activity; modulation of inflammatory pathways[51]
HydroxytyrosolOlive oil phenolic compoundPotent antioxidant; reduction of LDL oxidation; improvement of endothelial function; anti-inflammatory effects; modulation of lipid metabolism[52]
Omega-3 PUFAsEPA and DHA (marine oils)Regulation of lipid metabolism, inflammation and insulin sensitivity[53]
Omega-3 PUFAsFish oil and microalgaeIncorporation into cell membranes; modulation of receptor and enzyme activity[54]
Omega-3 PUFAsEPA/DHA metabolitesProduction of resolvins, protectins and maresins; active resolution of inflammation[55]
Omega-3 PUFAsClinical supplementation studiesReduction of plasma triglycerides; decreased hepatic steatosis; improved endothelial function[56]
Omega-3 PUFAsEPA and DHAActivation of PPARα and PPARγ; improved fatty acid oxidation and lipid handling[57]
Dietary fibers & prebioticsβ-glucans, pectins, inulinModulation of gut microbiota and production of SCFAs[58]
Soluble fibersOats, fruits, chicory rootSlowed gastric emptying; improved satiety; reduced postprandial glucose[59]
Short-chain fatty acids (SCFAs)Butyrate, propionate, acetateActivation of GPR41/GPR43; HDAC inhibition; improved insulin sensitivity[60]
ButyrateColonic fermentation productEnhanced gut barrier; reduced endotoxin translocation; reduced systemic inflammation[61]
SynbioticsMicroencapsulation of synbiotic formulationsImprove microbial viability during food processing and gastrointestinal transit[62, 63]
PrebioticsInulin-type fructansIncreased Bifidobacterium and Akkermansia muciniphila abundance[64]
ProbioticsLactobacillus plantarum, Lactobacillus rhamnosus, Bifidobacterium breveModulation of microbiota; improved lipid metabolism; reduced inflammation[65]
ProbioticsClinical and mechanistic studiesIncreased SCFAs; upregulation of GLP-1; reduced circulating endotoxins[66]
ProbioticsClinical intervention trialsImprovement of inflammatory and metabolic biomarkers[67]
ProbioticsHyperlipidemic patientsReduction of total cholesterol and LDL; increased HDL[68]
SynbioticsCombined prebiotics and probioticsRestoration of microbial balance; improved metabolic outcomes[69]
Phytosterols & stanolsPlant sterols (β-sitosterol, campesterol, stigmasterol)Competitive inhibition of intestinal cholesterol absorption[70]
PhytosterolsFortified functional foodsReduction of LDL cholesterol by 10–20%[71]
PhytosterolsExperimental and clinical studiesAnti-inflammatory effects; reduced macrophage cholesterol accumulation[72]
Bioactive peptidesMilk, soy, fish and cereal-derived peptidesAntihypertensive, antioxidant and antidiabetic activities[73]
Bioactive peptidesVPP and IPPACE inhibition; blood pressure reduction; improved endothelial function[74]
Milk-derived peptidesBovine casein peptidesActivation of PI3K–Akt; increased glucose uptake; enhanced insulin secretion[75]