Comprehensive systematic reviews and clinical studies of randomized controlled trials indicate that chia seed consumption has no significant effect on body weight, body mass index, or weight loss.
Quinoa (<i>Chenopodium quinoa</i> Willd) and chia (<i>Salvia hispanica</i>) are essential traditional crops with excellent nutritional properties. Quinoa is known for its high and good quality protein content and nine essential amino acids vital for an individual's development and growth, whereas chia seeds contain high dietary fiber content, calories, lipids, minerals (calcium, magnesium, iron, phosphorus, and zinc), and vitamins (A and B complex). Chia seeds are also known for their presence of a high amount of omega-3 fatty acids. Both quinoa and chia seeds are gluten-free and provide medicinal properties due to bioactive compounds, which help combat various chronic diseases such as diabetes, obesity, cardiovascular diseases, and metabolic diseases such as cancer. Quinoa seeds possess phenolic compounds, particularly kaempferol, which can help prevent cancer. Many food products can be developed by fortifying quinoa and chia seeds in different concentrations to enhance their nutritional profile, such as extruded snacks, meat products, etc. Furthermore, it highlights the value-added products that can be developed by including quinoa and chia seeds, alone and in combination. This review focused on the recent development in quinoa and chia seeds nutritional, bioactive properties, and processing for potential human health and therapeutic applications.
<h4>Context</h4>Numerous studies have demonstrated the positive effects on metabolic factors of consuming chia seeds. However, the results of clinical trials have been inconsistent.<h4>Objective</h4>The aim of this study was to conduct a systematic review and meta-analysis of available randomized controlled trials to explore the effects of chia seed consumption on body weight (BW), body composition, blood pressure, and glycemic control.<h4>Data sources</h4>A comprehensive search was conducted on the Scopus, PubMed, Medline via Ovid, ISI Web of Science, and Scholar Google databases up to August 2023.<h4>Data extraction</h4>The outcomes of interest included systolic blood pressure (SBP), diastolic blood pressure (DBP), BW, body mass index (BMI), body fat percentage, waist circumference (WC), fasting blood glucose (FBG), and hemoglobin A1c (HbA1c).<h4>Data analysis</h4>Weighted mean difference (WMD) and 95% CIs were used to determine the effect size.<h4>Results</h4>A total of 8 eligible studies were included in the analysis. The findings revealed a significant reduction in SBP (WMD: -7.19 mmHg; 95% CI, -10.63 to -3.73; P < .001) and DBP (WMD: -6.04 mmHg, 95% CI, -9.58 to -2.49; P = .001). However, no significant effects were observed on BW, body fat percentage, WC, BMI, FBG, and HbA1c. Subgroup analysis indicated that the effect of chia seed on SBP was significant in participants with a baseline SBP of less than 140 mmHg, but the effect was not dependent on the administered dose.<h4>Conclusion</h4>Chia seed consumption has positive effects on SBP and DBP but does not significantly impact BW, body composition, or glycemic parameters. However, the limited amount of data from included studies should be considered as a limitation while interpreting these findings.<h4>Systematic review registration</h4>PROSPERO registration no. CRD42023462575.
Obesity upsurges the risk of developing cardiovascular disease, primarily heart failure and coronary heart disease. Chia seeds have a high concentration of dietary fiber and increased concentrations of anti-inflammatoryand antioxidant compounds. They are used for weight loss plus enhancing blood glucose and lipid profile. The current perspective was commenced to examine the protective influence of chia seeds ingestion on cardiovascular disease risk factors in high-fat diet-fed rats. Forty male albino rats (with an initial body weight of 180–200 g) were used in this study. Rats were randomly and equally divided into 4 groups: Group I was the control group and group II was a control group with chia seeds supplementation. Group III was a high-fat diet group (HFD) that received HFD for 10 weeks and group IV was fed on HFD plus chia seeds for 10 weeks. In all groups Echocardiographic measurements were performed, initial and final BMI, serum glucose, AC/TC ratio, lipid profile, insulin (with a computed HOMA-IR), creatinine phosphokinase-muscle/brain (CPK-MB), CRP, and cardiac troponin I (cTnI) and MAP were estimated. Whole heart weight (WHW) was calculated, and then WHW/body weight (BW) ratio was estimated. Eventually, a histopathological picture of cardiac tissues was performed to assess the changes in the structure of the heart under Haematoxylin and Eosin and Crossmon’s trichrome stain. Ingestion of a high diet for 10 weeks induced a clear elevation in BMI, AC/ TC, insulin resistance, hyperlipidemia, CRP, CPK-MB, and cTnI in all HFD groups. Moreover, there was a significant increase in MAP, left ventricular end diastolic diameter (LVEDD), and left ventricular end systolic diameter (LVESD). Furthermore, histological cardiac examination showed structural alteration of the normal structure of the heart tissue with an increase in collagen deposition. Also, the Bcl-2 expression in the heart muscle was significantly lower, but Bax expression was significantly higher. Chia seeds ingestion combined with HFD noticeably ameliorated the previously-recorded biochemical biomarkers, hemodynamic and echocardiography measures, and histopathological changes. Outcomes of this report reveal that obesity is a hazard factor for cardiovascular disease and chia seeds could be a good candidate for cardiovascular system protection.
This comprehensive systematic review and meta-analysis sought to investigate the impact of chia seed supplementation on obesity indicators and metabolic factors. Through a thorough search of relevant studies up to April 2024, 14 clinical trials involving 835 participants were included in the analysis. The findings revealed a notable decrease in triglyceride levels across both higher and lower doses of chia seeds, with weighted mean differences (WMD) of -8.69 mg/dL and -13.11 mg/dL, respectively. Additionally, a statistically significant reduction in LDL-C levels was observed solely in the higher dosage group, showing a WMD of -4.77 mg/dL. Moreover, although the decrease in systolic blood pressure (-2.78 mmHg) compared to the control group was statistically significant, it was only observed with the higher dosage. These results suggest that chia supplementation may offer beneficial effects on dyslipidemia, hypertension, and body weight, potentially mitigating the risk of cardiovascular disease.
Chia and quinoa seeds are novel sources of bioactive compounds that may improve lipid profile, blood glucose homeostasis, and body weight in diabetic rats. This work aims to study the effect of different percentages of chia and quinoa consumption, alone or in a mixture, compared to Metformin drug on regulating lipid profile, blood glucose level, and weight of male diabetic rats. The consumption of quinoa and chia seeds showed a significant decline in fasting blood glucose (FBG), fasting insulin level, Hemoglobin A1C (HbA1c), and Homeostatic Model Assessment for Insulin (HOMA-IR), while the bes
To evaluate the scientific evidence on chia (Salvia hispanica) including history, folkloric precedent, expert opinion, pharmacology, dosing, interactions, adverse effects, and toxicology. This review serves as a clinical support tool. Electronic searches were conducted in ten databases, 20 additional journals (not indexed in common databases), and bibliographies from 50 selected secondary references. No restrictions were placed on language or quality of publications. All literature collected pertained to efficacy in humans, dosing, precautions, adverse effects, use in pregnancy/lactation, interactions, alteration of laboratory assays, and mechanisms of action. Standardized inclusion/exclusion criteria are utilized for selection. Grades were assigned using an evidence-based grading rationale. The available human and non-human studies show possible effectiveness for allergies, angina, athletic performance enhancement, cancer, coronary heart disease (CHD), heart attack, hormonal/endocrine disorders, hyperlipidemia, hypertension, stroke, and vasodilatation. Some evidence also suggests possible anticoagulant, antioxidant, and antiviral effects of Salvia hispanica. There is limited evidence supporting the efficacy of Salvia hispanica for any indication; thus far, only two clinical studies have examined the effects of Salvia hispanica on cardiovascular disease (CVD) risk factors (including body weight). One study showed some effects on some CVD risk factors, while the other did not. Neither study showed any effects of Salvia hispanica on weight loss. However, the historical use of Salvia hispanica suggests that it is safe for consumption by nonallergic individuals. Further rigorous examination is warranted pertaining to the use of Salvia hispanica as a dietary supplement, as well as in the treatment or prevention of human disease.
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This check searched the claim as stated. It did not run a separate search for evidence against it.