Insights & Discussion
Cocoa-rich products consumption can improve mood and affect in the short term.
The study carried out a systematic review and meta-analysis in line with PRISMA guidelines to ascertain the effects of cocoa-derived food on depressive and anxiety symptoms, as well as positive and negative affect. Potential sources were found on Web of Knowledge and PsycINFO until April 3, 2020. Out of 761 documents screened, nine studies were picked. Two trials were involved in examining the long-term impact (>1 week) of cocoa consumption, two reviewed the short-term effects (3 days), and five studies were conducted in acute conditions (single administration).
The results indicate that cocoa-rich products had a significant overall effect on reducing depressive and anxiety symptoms. There was also significant improvement in both positive and negative affect. The effect size in all meta-analyses was medium, while the heterogeneity was low. Despite these promising outcomes, the conclusions must be cautiously interpreted due to the short duration of the trials and the limited number of participants and studies included in the meta-analyses.
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The Gui Zhi-Shao Yao herb pair in traditional Chinese medicine potentially treats chronic pain, anxiety, and depression through interactions with nine key targets.
2022 Annals of Medicine A network pharmacology approach to predict potential targets and mechanisms of “Ramulus Cinnamomi (cassiae) – Paeonia lactiflora” herb pair in the treatment of chronic pain with comorbid anxiety and depression Pan HT, Xi ZQ, Wei XQ, Wang K
Network Pharmacology Anxiety
The methodology in this research utilised network pharmacology to explore the active components of the "Gui Zhi-Shao Yao" herb pair and their possible targets. Initially, 15 active compounds were identified through a series of analysis which revealed about 130 potential targets. By considering the intersections between the targets of the "Gui Zhi-Shao Yao" herb pair and chronic pain, anxiety disorder, and mental depression, nine vital targets were identified and listed in order of importance.
The results discussion revealed that the "Gui Zhi-Shao Yao" herb pairing acted on the nine identified key targets to alleviate chronic pain, anxiety, and depression. Gene ontology and pathway analysis demonstrated that there were 11 primary pathways, including AGE-RAGE signalling pathway, IL-17 signalling pathway, and TNF signalling pathway. These pathways appear to be actively involved in the pathological processes, providing a holistic understanding of how the "Gui Zhi-Shao Yao" herb pair functions therapeutically.
The proprietary herbal blend LN18178 significantly boosts testosterone levels, muscle strength and mid-upper arm circumference in young, healthy males.
2022 Journal of Dietary Supplements A Proprietary Herbal Blend Containing Extracts of Punica granatum Fruit Rind and Theobroma cocoa Seeds Increases Serum Testosterone Level in Healthy Young Males: A Randomized, Double-Blind Placebo-Controlled Study Sreeramaneni PGA, Yalamanchi A, Konda MR, Cherukuri SHV, Maroon JC
Randomised Controlled Trial Cocoa
In a randomized, double-blind, placebo-controlled study involving 120 male volunteers aged between 21 and 35 years, participants were arranged into three groups. Each group received a daily dose of either a placebo or 200 or 400 mg of LN18178 for a duration of 56 days. The primary focus of the study was to measure the potential increase in serum testosterone levels (both free and total). Secondary measures incorporated other hormones like dihydrotestosterone, cortisol, and Luteinizing hormone, as well as physical indicators such as hand grip strength and mid-upper arm circumference. Additionally, thorough checks were run pertaining to each participant's vital signs and clinical chemistry parameters in blood and urine to ensure product safety.
After the intervention, both dosage levels of LN18178 significantly raised free testosterone levels. The higher dose group also showed noteworthy increases in total testosterone and luteinizing hormone levels. Meanwhile, the other hormone changes were found to be statistically insignificant. More importantly, the LN18178-400 group displayed significant enhancements in their hand grip strength and mid-upper arm circumference post-trial. The completion of the trial saw participants' vital signs and hemato-biochemical parameters within the normal range, suggesting that LN18178 is both safe and tolerable.
Chinese herbal medicine shows promising and safe outcomes in relieving functional dyspepsia symptoms and associated psychological disorders.
2022 Frontiers in Neuroscience Chinese Herbal Medicine for Functional Dyspepsia With Psychological Disorders: A Systematic Review and Meta-Analysis Luo X, Wang L, Fang S, Qing X, Jiang T, Yang Y, et al.
Systematic Review Anxiety
The methodology for this research involved a comprehensive search across various libraries and databases, such as PubMed, Embase, Cochrane Library, Web of Science, and various Chinese data sources, seeking randomized controlled trials where functional dyspepsia was treated with Chinese herbal medicine. The aim was to assess the efficacy and safety of this type of treatment for functional dyspepsia. Two researchers independently conducted each stage of the process, from searching the sources, screening the documents, extracting data, and assessing risk biases within the included studies. They used RevMan 5.4 software to do a meta-analysis of the selected research materials.
The discussion of their findings showed that treatment with Chinese herbal medicine significantly alleviated the symptoms of functional dyspepsia, compared to both a placebo group and a group treated with traditional prokinetic agents and flupentixol melitracen. Patients treated with Chinese herbal medicine reported higher total effective rates and lower total symptom scores, along with smaller depression and anxiety scores. The symptoms of functional dyspepsia, in this case, were improved more successfully with Chinese herbal medicine than with other treatment types, without any significant adverse reactions.
Cocoa extract supplementation in older adults reduced cardiovascular disease related death rates, but did not significantly lessen total cardiovascular events.
2022 The American Journal of Clinical Nutrition Effect of cocoa flavanol supplementation for the prevention of cardiovascular disease events: the COcoa Supplement and Multivitamin Outcomes Study (COSMOS) randomized clinical trial Sesso HD, Manson JAE, Aragaki AK, Rist PM, Johnson LG, Friedenberg G, et al.
Randomised Controlled Trial Cardiovascular Disease Cocoa
A randomized, double-blind, placebo-controlled trial was conducted on 21,442 US adults aged 60 or over, all of who were free of major cardiovascular disease and recently diagnosed cancer. The participants were assigned to either a cocoa extract supplement, which included 500 mg flavanols per day, or a placebo. The intervention phase ran from June 2015 to December 2020. The primary outcome was focused on the number of total cardiovascular events, including myocardial infarction, stroke, and cardiovascular death among others.
The results showed that during a median follow-up of 3.6 years, there were 410 participants taking cocoa extract and 456 under placebo who had confirmed total cardiovascular events. Secondary endpoints showed reduced death due to cardiovascular disease for the cocoa extract supplement users. However, there was no significant impact on the incidence of total cardiovascular events. Conversely, a lower risk of total cardiovascular events was supported when analyses were censored at nonadherence. Overall, no safety concerns were raised during the trial.
The consumption of cocoa or dark chocolate can reduce low-density lipoprotein cholesterol and fasting blood sugar levels in diabetic patients.
2021 Phytotherapy Research The effect of cocoa/dark chocolate consumption on lipid profile, glycemia, and blood pressure in diabetic patients: A meta‐analysis of observational studies Darand M, Hajizadeh Oghaz M, Hadi A, Atefi M, Amani R
Systematic Review Blood Sugar Cocoa Dark Chocolate
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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