This article contains findings obtained from research on animals:
- The results from animal research studies should not be directly applied to humans and the results may not generalise to the human population.
- There may be significant differences between species in terms of physiology, physiology, and pharmacology, as well as differences in the way diseases and treatments are modelled in animals.
- Any conclusions drawn from animal research should be considered with caution and in the context of other types of research studies such as observational studies, clinical trials, and reviews of the literature.
Insights & Discussion
Ginger supplementation can prevent ethanol-induced reproductive dysfunction by improving hormone levels, reducing oxidative damage, inflammation, and regulating genes involved in testosterone synthesis.
The methodology involved twenty-four adult male rats divided into four groups for a 28-day experiment. The researchers administered either ethanol or ginger extract to respective groups and then measured varying physiological factors related to reproductive health such as testosterone levels, antioxidant enzyme activity, concentrations of tumor necrosis factor-alpha, and gonadotropins hormones. In addition, gene expressions related to oxidative damage, inflammation, and testosterone synthesis were also examined.
Animating the discussion of results, it was observed that the administration of ethanol significantly decreased levels of hormones, oxidative markers, and lowered gene expression involved in testosterone synthesis. Conversely, ethanol caused an increase in inflammatory markers and the expression of genes related to inflammation. On the other hand, rats given a ginger supplement positively reversed these effects, showing significant improvements in all factors, thus leading to the conclusion that ginger can prevent reproductive issues induced by ethanol. The results obtained from the histological study further confirmed these findings, reaffirming that ginger could effectively counter ethanol-induced reproductive dysfunction.
Discover Related Insights
Pomegranate juice supplementation has been found to effectively decrease testosterone levels in overweight and obese women diagnosed with polycystic ovary syndrome.
2023 Phytotherapy Research The effect of concentrated pomegranate juice on biomarkers of inflammation, oxidative stress, and sex hormones in overweight and obese women with polycystic ovary syndrome: A randomized controlled trial Abedini M, Ramezani‐Jolfaie N, Ghasemi‐Tehrani H, Tarrahi MJ, Amani R
Randomised Controlled Trial Pomegranate Testosterone
In the methodology, the study employed a randomized controlled trial which involved 44 participants. The women, aged between 18 and 40 years, had all been diagnosed with polycystic ovary syndrome and had a body mass index exceeding 25 kg/m. They were randomly divided, with one group consuming 45 ml/day of concentrated pomegranate juice and the other group receiving no intervention. A variety of biomarkers for sex hormones, inflammation, and oxidative stress were measured before starting the trial and again after eight weeks.
Further discussion of the results revealed a significant decrease in testosterone levels among the overweight and obese women with polycystic ovary syndrome who took concentrated pomegranate juice over the eight week period, in contrast to those in the control group. Apart from testosterone, no significant changes were observed for luteinizing hormone, sex hormone-binding globulin levels or for markers of inflammation and oxidative stress between the two groups.
Tree nut consumption is inversely associated with the prevalence of hyperestrogenism and circulating estradiol levels in men.
2022 Nutrition Research Tree nut consumption is associated with a lower risk of hyperestrogenism in men Wang Y, Fang Y
Cohort Study Hyperestrogenism Men's Health Testosterone
This cross-sectional study utilized data from the US National Health and Nutrition Examination Survey between 2013 and 2016, and involved 3340 men aged 20 years and above. The associations of tree nut consumption with circulating estradiol - a form of the female sex hormone estrogen - and the prevalence of hyperestrogenism - a condition characterized by excess estrogen - were analyzed using weighted linear regression and binary logistic regression, respectively.
Tree nut consumption was observed in 207 of the participants, with the average usual intake amounting to 34.2g per day. The study noticed an inverse relationship between the typical intake of tree nuts and levels of bioavailable estradiol, even after taking into account all confounding factors. Regular consumption of 30g/day or more of tree nuts was associated with significantly lower risk of hyperestrogenism. Furthermore, higher consumption of tree nuts was linked with higher levels of circulating folate, which was in turn inversely related to circulating estradiol. Therefore, the study concluded that increased tree nut consumption could potentially lower the risk of hyperestrogenism in men by reducing circulating estradiol levels.
In women with polycystic ovary syndrome, cinnamon reduced insulin resistance and testosterone levels similar to metformin, and ginger decreased follicle-stimulating and luteinizing hormones.
2022 Frontiers in Nutrition A comparison of the effects of cinnamon, ginger, and metformin consumption on metabolic health, anthropometric indices, and sexual hormone levels in women with poly cystic ovary syndrome: A randomized double-blinded placebo-controlled clinical trial Dastgheib M, Barati-Boldaji R, Bahrampour N, Taheri R, Borghei M, Amooee S, et al.
Randomised Controlled Trial Ceylon Cinnamon Cinnamon FSH
In the methodology of the study, 100 women diagnosed with polycystic ovary syndrome were divided into four groups. Each group received a different treatment: cinnamon, ginger, metformin, or placebo. The dosage for these treatments was 500 mg, three times a day, administered over a period of 8 weeks. The participants' sex hormones, weight revelations, along with glycemic and lipid markers were monitored before and after this period. Several participants were disqualified because of unspecified factors, resulting in a final sample size of 83.
In terms of results, all groups saw a decrease in weight and body mass index. The metformin and cinnamon groups specifically had notably decreases in their insulin resistance, meaning that these treatments were effective in improving metabolic health. Additionally, the ginger group experienced a reduction in follicle-stimulating hormone and luteinizing hormone levels unlike the other groups. Testosterone levels were lowered in the metformin and cinnamon groups, but no significant changes in dehydroepiandrosterone were observed in any of the groups. These results indicate the potential use of cinnamon and ginger as alternative treatments in managing polycystic ovary syndrome.
In reproductive health, honey can improve infertility, protect the postmenopausal reproductive tract, prevent toxic effects, maintain sperm quality by restoring testosterone levels and treat vulvovaginal candidiasis infections.
2021 Molecules Protective Roles of Honey in Reproductive Health: A Review Zaid SSM, Ruslee SS, Mokhtar MH
Review Article Candidiasis Testosterone Vaginal Candidiasis
Honey has a highly complex chemical and biological composition that consists of various essential bioactive compounds, enzymes, amino and organic acids, acid phosphorylase, phytochemicals, carotenoid-like substances, vitamins and minerals. Reproductive health and fertility rates have declined in the last 30 years. Therefore, this review aimed to highlight the protective role of honey as a potential therapeutic in maintaining reproductive health.
The main role of honey is to enhance fertility and treat infertility problems by acting as an alternative to hormone replacement therapy for protecting the vagina and uterus from atrophy, protecting against the toxic effects of xeno-oestrogenic agents on female reproductive functions and helping in the treatment of gynaecological disorders, such as vulvovaginal candidiasis infection, that affect women’s lives.
Walnut consumption coupled with concurrent training improves lipid profile, steroid hormone levels, and systematic inflammation in elderly men.
2021 Biology of Sport Moderate walnut consumption improved lipid profile, steroid hormones and inflammation in trained elderly men: a pilot study with a randomized controlled trial Kamoun A, Hammouda O, Turki M, Maaloul R, Chtourou M, Bouaziz M, et al.
Randomised Controlled Trial Cholesterol Cortisol CRP
The study created two matched groups of fit elderly men and placed one on a diet inclusive of walnuts (15g/day for six weeks) alongside their concurrent (resistance and endurance) training. The other group did the concurrent training without the walnut-supplemented diet. The study then took fasting blood samples from the participants 48 hours before and after the intervention for biochemical assessments.
The group consuming walnuts saw a significant improvement in their lipid profiles with increased high-density lipoprotein levels and decreased total cholesterol, low-density lipoprotein and triglyceride levels. The walnut-eating participants also saw an increase in testosterone levels after the training, which was significantly higher than the group not consuming walnuts. Additionally, the walnut-consuming group experienced lowered cortisol levels and decreased C-reactive protein compared to the group not consuming walnuts. It is plausible the results could be attributed to the presence of polyunsaturated fatty acids in walnuts.
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