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1.
Int J Vitam Nutr Res ; : 1-10, 2021 Mar 29.
Artigo em Inglês | MEDLINE | ID: mdl-33779240

RESUMO

Sexual dysfunction can adversely affect the quality of life, self-confidence, and interpersonal relationships. Some studies reported a relationship between vitamin supplementation and sexual health. This systematic review aimed to evaluate the effect of vitamins on female and male sexual function. All relevant English and Persian articles published in English databases (Medline, Scopus, Cochrane Library, Web of Sciences, Psycho-Info, and Proquest) and Farsi databases (SID and Magiran) until July 2020 were searched. The Cochrane Handbook for Systematic Reviews of Interventions was used for assessing the risks of bias. A total of 11 randomized controlled trials (RCTs) on 337 women, 472 men, and 35 couples were included. One study reported that vitamin D 300000 IU supplement administrated twice through intramuscular injection (at the beginning and after four weeks) had a significant effect on female sexual function (p<0.05), whereas another study showed that vitamin D 2000 IU supplement for six months did not have any significant effect on female sexual function (p>0.05). A study reported the significant effect of niacin (vitamin B3) 1500 mg daily for 12 weeks on erectile function (p=0.004). The results showed that vitamins A, C, and E had no significant effect on male and female sexual function. The conduction of trials with long-term interventions is recommended to reach a more definitive conclusion about the effect of vitamins on sexual function.

2.
Complement Ther Med ; 48: 102267, 2020 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-31987231

RESUMO

OBJECTIVE: The decline and eventual cessation of estrogen production cause a variety of symptoms during menopause, affecting each woman differently. Most women reported severe hot flashes and night sweats during menopause. The present study aimed to determine and compare the efficacy of curcumin and vitamin E on hot flashes and anxiety (primary objectives), sexual function, menopausal symptoms and adverse effects (secondary objectives). MATERIALS AND METHODS: This was a triple-blind randomized controlled clinical trial. The participants consisted of 93 postmenopausal women in Ahar city-Iran. They were assigned into three groups (two intervention groups and one control group). The first intervention group received oral capsule of curcumin (500 mg), the second intervention group was given oral tablets of vitamin E (200 IU/day), and the third group (control) received placebo twice a day for eight weeks. The participants completed the hot flash checklist one week before the intervention, and 4 weeks and 8 weeks after the intervention. They also filled out the Anxiety Scale, the Female Sexual Function Index (FSFI), the Greene Climacteric Scale before the intervention, and 4 weeks and 8 weeks after the intervention. One-way ANOVA, repeated measures ANOVA and ANCOVA tests were used for data analysis. RESULTS: There was no statistically significant difference between groups in terms of demographic characteristics, mean number of hot flashes, mean score of anxiety, sexual function index and menopausal symptoms before the intervention (p > 0.05). The mean age of participants was 51.7 years. Mean number of hot flashes in the curcumin group (adjusted mean difference = -10.7, 95%confidence interval = -3.6 to -17.9, P = 0.001) and in the vitamin E group (-8.7, -0.6 to -15.0, P = 0.029) was significantly lower than the placebo group after the intervention. The first significant effect of curcumin on hot flashes was observed after four weeks (P = 0.027). However, there was no significant difference between vitamin E group and placebo four weeks after intervention (P = 0.052) and the first significant effect of vitamin E on hot flashes was observed after eight weeks (P = 0.025). There was no statistically significant difference between the groups in terms of sexual function index, anxiety and menopausal symptoms (P > 0.05). CONCLUSION: The results of this study showed that oral intake of curcumin and vitamin E significantly reduced hot flashes in postmenopausal women but had no significant effect on anxiety, sexual function and menopausal symptoms.


Assuntos
Ansiedade/terapia , Curcumina/uso terapêutico , Fogachos/terapia , Pós-Menopausa/efeitos dos fármacos , Vitamina E/uso terapêutico , Administração Oral , Cápsulas , Curcumina/administração & dosagem , Feminino , Humanos , Pessoa de Meia-Idade , Vitamina E/administração & dosagem
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