Insights & Discussion
The consumption of cocoa or dark chocolate can reduce low-density lipoprotein cholesterol and fasting blood sugar levels in diabetic patients.
A systematic search of databases identified eight randomized controlled trials (RCTs) with 433 participants for meta-analysis. The results demonstrated a substantial reduction in LDL-c levels (WMD: −15.49 mg/dl) and FBS concentrations (WMD: −6.88 mg/dl) following cocoa/dark chocolate consumption. The study emphasizes the potential positive effects of cocoa/dark chocolate on the metabolic profile of diabetic individuals.
The meta-analysis included RCTs focusing on cocoa/dark chocolate interventions in diabetic patients, with a significant pooled analysis showing reduced LDL-c and FBS levels. The findings suggest that incorporating cocoa/dark chocolate in the diet of diabetic individuals could be beneficial for managing lipid profile and glycemia. Further research is necessary to solidify these insights and understand the complete impact on metabolic health.
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Tart cherry juice shows promise in aiding blood sugar control and supporting heart health, highlighting its potential as a natural dietary addition.
2022 Complementary Therapies in Medicine Effects of tart cherry juice consumption on cardio-metabolic risk factors: A systematic review and meta-analysis of randomized-controlled trials Moosavian SP, Maharat M, Chambari M, Moradi F, Rahimlou M
Systematic Review Blood Sugar Cardiovascular Disease Heart Disease
Tart cherry juice was found to lower fasting blood sugar but didn't have a significant impact on blood pressure, insulin, cholesterol, body fat, or weight. It is rich in antioxidants, which may be why it's beneficial for the heart. Changes in gut bacteria might also play a role. More research with larger and varied groups of people is needed to confirm these findings and understand them better. In the meantime, healthcare professionals may consider suggesting tart cherry juice for heart health.
Raspberry consumption can help to reduce blood glucose levels and stabilize the blood lipid profile due to its bioactive compounds.
2022 Journal of Medicinal Food Raspberry (Rubus idaeus L.), a Promising Alternative in the Treatment of Hyperglycemia and Dyslipidemias Piña-Contreras N, Martínez-Moreno AG, Ramírez-Anaya JDP, Espinoza-Gallardo AC, Valdés EHM
Systematic Review Blood Sugar Cholesterol Raspberry Leaf
The researchers conducted a systematic review of original articles and enzyme inhibition studies involving animal models and human clinical studies, extracting data from the PubMed, Web of Science, and Science Direct databases. The mechanisms of action investigated focused on how consumption of raspberry in different forms (like frozen, lyophilized, infusion of leaves, seed oil) and compounds extracted from it could inhibit enzymes and increase insulin production and sensitivity, thereby affecting blood glucose levels.
The findings revealed that raspberry consumption, regardless of its form, consistently aided in reducing blood glucose levels. The mechanisms involved included inhibition of specific enzymes and enhancement of insulin production and sensitivity. On the other hand, the effects on the lipid profile were varied. While a decrease in cholesterol and low-density lipoprotein levels was recorded, the impact on triglyceride levels was less consistent and manifested mainly as stabilization rather than reduction. However, an increase in levels of beneficial high-density lipoproteins was reported, suggesting an overall beneficial effect on lipid profile.
Frequent consumption of sugar-sweetened coffee can adversely affect blood sugar control in patients with diabetes mellitus in Korea.
2022 Metabolites Sugar-Sweetened Coffee Intake and Blood Glucose Management in Korean Patients with Diabetes Mellitus Yoo H, Park K
Cohort Study Blood Sugar Coffee HbA1C
This study focused on adult coffee consumption patterns in Korea using data collected from the Korea National Health and Nutrition Examination Survey between 2008 to 2020. The consuming habits of 5671 diabetic patients were analyzed considering how often they consumed a mixture of coffee with sugar and creamer, referred commonly as 3-in-1 coffee. The methods used involved assessing these patterns through a 24-hour recall. Blood sugar control was evaluated using fasting blood glucose levels and hemoglobin A1c levels, in line with the targets set by the Korean Diabetes Association.
The results revealed that nearly half of the diabetic patients in this study consumed sugar-sweetened coffee. These patients demonstrated significantly higher fasting blood glucose and hemoglobin A1c levels compared to those who did not partake in such consumption. The findings also indicated an increased likelihood of patients failing to achieve their blood sugar control targets, corresponding to the frequency of their consumption of sugar-sweetened coffee.
Blueberry and cranberry consumption significantly lowered fasting blood glucose and glycated hemoglobin levels in individuals with diabetes.
2022 Nutrition, Metabolism and Cardiovascular Diseases Effects of blueberry and cranberry on type 2 diabetes parameters in individuals with or without diabetes: A systematic review and meta-analysis of randomized clinical trials Delpino FM, Figueiredo LM, Gonçalves da Silva T, Flores TR
Meta-Analysis Blood Sugar Blueberry Cranberry
The research methodology involved a systematic literature review and meta-analysis using publications sourced from seven different databases (PubMed, LILACS, Scielo, Scopus, Web of Science, Cochrane, and Embase) up until May 2021. The researchers included randomized clinical trials where the effects of blueberry or cranberry on parameters linked to type 2 diabetes such as fasting blood glucose, insulin resistance, and glycated hemoglobin were compared. The quality of these studies was evaluated using the Cochrane scale while the Egger test was utilized to assess publication bias and the meta-regression evaluated the estimated effect sizes with potential moderator variables.
Following an initial identification of 2034 studies, 39 full-text studies were read, out of which 22 met the criteria to be included in the final meta-analysis. The findings showed that individuals with diabetes experienced significant reductions in fasting blood glucose and glycated hemoglobin readings following the consumption of blueberries or cranberries. However, no significant effects were seen on insulin resistance. While the results were not universally significant when it came to the general population, an exception was found in the sensitivity analysis for fasting blood glucose.
Cinnamon supplementation may significantly enhance metabolic status in women with polycicstic ovary syndrome, notably improving high-density lipoprotein and insulin sensitivity, and decreasing low-density lipoprotein, triglyceride, and blood glucose levels.
2021 Journal of Ovarian Research Mechanistic and therapeutic insight into the effects of cinnamon in polycystic ovary syndrome: a systematic review Maleki V, Faghfouri AH, Tabrizi FPF, Moludi J, Saleh-Ghadimi S, Jafari-Vayghan H, et al.
Systematic Review Blood Sugar Ceylon Cinnamon HDL-C
The systematic review employed a PICO framework where the population was subjects with polycystic ovary syndrome (PCOS), the intervention was oral cinnamon supplement, the comparison group was either a control or a placebo group, and the outcome measured were changes in inflammatory, oxidative stress, lipid profile, glycemic, hormonal and anthropometric parameters, and ovarian function. To gather relevant research studies, databases including PubMed, Scopus, EMBASE, ProQuest, and Google Scholar were searched right from their inception until January 2020 using specific, relevant keywords. Out of the initial 266 studies found, only nine met the criteria for evaluation. The types of studies considered for this review included all clinical trials, animal studies, and english-language journal studies.
The results showed a promising improvement in metabolic status in PCOS patients with cinnamon supplementation. This was shown through increased high-density lipoprotein and insulin sensitivity, and a decrease in low-density lipoprotein, triglyceride, and blood glucose levels in these patients. However, the impact of cinnamon on body weight and body mass index was inconsistent across the studies. Similarly, while the studies showed improved results regarding the effects of cinnamon on oxidative stress and ovarian function, the specific mechanisms behind these effects still need to be fully elucidated. Future studies should focus on observing clinical changes after cinnamon supplementation in PCOS through clinical trials with higher doses of cinnamon and a longer duration of intervention.
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