1Wankhede, S., Mohan, V., & Thakurdesai, P. (2016). Beneficial effects of fenugreek glycoside supplementation in male subjects during resistance training: A randomized controlled pilot study. Journal of Sport and Health Science, 5(2), 176-182.
2Taylor, L., Poole, C., Pena, E., Lewing, M., Kreider, R., Foster, C., & Wilborn, C. (2011). Effects of Combined Creatine Plus Fenugreek Extract vs. Creatine Plus Carbohydrate Supplementation on Resistance Training Adaptations. Journal of Sports Science & Medicine, 10(2), 254-260.
3Poole, C., Bushey, B., Foster, C., Campbell, B., Willoughby, D., Kreider, R., Taylor, L., & Wilborn, C. (2010). The effects of a commercially available botanical supplement on strength, body composition, power output, and hormonal profiles in resistance-trained males. Journal of the International Society of Sports Nutrition, 7, 34.
4Goh, J., Menke, W., Herrick, L. P., Campbell, M. S., Abel, M. G., Fleenor, B. S., & Bergstrom, H. C. (2020). Examination of Curcumin and Fenugreek Soluble Fiber Supplementation on Submaximal and Maximal Aerobic Performance Indices. Journal of Functional Morphology and Kinesiology, 5(2).
5Ruby, B. C., Gaskill, S. E., Slivka, D., & Harger, S. G. (2005). The addition of fenugreek extract (Trigonella foenum-graecum) to glucose feeding increases muscle glycogen resynthesis after exercise. Amino Acids, 28(1), 71–76.
6Slivka, D., Cuddy, J., Hailes, W., Harger, S., & Ruby, B. (2008). Glycogen resynthesis and exercise performance with the addition of fenugreek extract (4-hydroxyisoleucine) to post-exercise carbohydrate feeding. Amino Acids, 35(2), 439–444.
7Hassani, S. S., Arezodar, F. F., Esmaeili, S. S., & Gholami-Fesharaki, M. (2019). Effect of Fenugreek Use on Fasting Blood Glucose, Glycosylated Hemoglobin, Body Mass Index, Waist Circumference, Blood Pressure and Quality of Life in Patients with Type 2 Diabetes Mellitus: A Randomized, Double-Blinded, Placebo-Controlled Clinical Trials. Galen Medical Journal, 8, e1432.
8Kiss, R., Szabó, K., Gesztelyi, R., Somodi, S., Kovács, P., Szabó, Z., Németh, J., Priksz, D., Kurucz, A., Juhász, B., & Szilvássy, Z. (2018). Insulin-Sensitizer Effects of Fenugreek Seeds in Parallel with Changes in Plasma MCH Levels in Healthy Volunteers. International Journal of Molecular Sciences, 19(3).
9Lopresti, A. L., Drummond, P. D., & Smith, S. J. (2019). A Randomized, Double-Blind, Placebo-Controlled, Crossover Study Examining the Hormonal and Vitality Effects of Ashwagandha (Withania somnifera) in Aging, Overweight Males. American Journal of Men's Health.
10Chauhan, S., Srivastava, M. K., & Pathak, A. K. (2022). Effect of standardized root extract of ashwagandha (Withania somnifera) on well-being and sexual performance in adult males: A randomized controlled trial. _Health Science Reports, 5_(4).
11Verma, N., Gupta, S. K., Tiwari, S., Mishra, A. K., Thakare, V., & Patil, S. (2023). Effect of Ashwagandha Root Extract on Serum Testosterone and Muscle Recovery in Strength Training. International Journal of Medical and Pharmaceutical Research, 4(5), 371-381.
12Gaddam, A., Galla, C., Thummisetti, S., Marikanty, R. K., Palanisamy, U. D., & Rao, P. V. (2015). Role of Fenugreek in the prevention of type 2 diabetes mellitus in prediabetes. Journal of Diabetes and Metabolic Disorders, 14.
13Guo, R., Wang, Q., Nair, R.P., Barnes, S.L., Smith, D.T., Dai, B., Robinson, T.J., & Nair, S. (2018). Furosap, a novel Fenugreek seed extract improves lean body mass and serum testosterone in a randomized, placebo-controlled, double-blind clinical investigation. Functional Foods in Health and Disease. 7(4)
14Bagchi, D., Swaroop, A., Maheshwari, A., Verma, N., Tiwari, K.B., Bagchi, M., Preuss, H.G., & Kumar, P. (2017). A novel protodioscin-enriched fenugreek seed extract (Trigonella foenum-graecum, family Fabaceae) improves free testosterone level and sperm profile in healthy volunteers. Functional Foods in Health and Disease, 7, 235-245.
15G, S., G L, S., Pushpan, C. K., Nambisan, B., & A, H. (2018). Evaluation of anti-arthritic potential of Trigonella foenum graecum L. (Fenugreek) mucilage against rheumatoid arthritis. Prostaglandins & Other Lipid Mediators, 138, 48–53.
16Pundarikakshudu, K., Shah, D. H., Panchal, A. H., & Bhavsar, G. C. (2016). Anti-inflammatory activity of fenugreek (Trigonella foenum-graecum Linn) seed petroleum ether extract. Indian Journal of Pharmacology, 48(4), 441-444.
17Ziegenfuss, T. N., Kedia, A. W., Sandrock, J. E., Raub, B. J., Kerksick, C. M., & Lopez, H. L. (2018). Effects of an Aqueous Extract of Withania somnifera on Strength Training Adaptations and Recovery: The STAR Trial. Nutrients, 10(11), 1807.
18Wankhede, S., Langade, D., Joshi, K., Sinha, S. R., & Bhattacharyya, S. (2015). Examining the effect of Withania somnifera supplementation on muscle strength and recovery: A randomized controlled trial. Journal of the International Society of Sports Nutrition, 12.
19Lopresti, A. L., Smith, S. J., Malvi, H., & Kodgule, R. (2019). An investigation into the stress-relieving and pharmacological actions of an ashwagandha (Withania somnifera) extract: A randomized, double-blind, placebo-controlled study. Medicine, 98(37).
20Ahmad, M. K., Mahdi, A. A., Shukla, K. K., Islam, N., Rajender, S., Madhukar, D., Shankhwar, S. N., & Ahmad, S. (2010). Withania somnifera improves semen quality by regulating reproductive hormone levels and oxidative stress in seminal plasma of infertile males. Fertility and Sterility, 94(3), 989-996.
21Gupta, A., Mahdi, A. A., Shukla, K. K., Ahmad, M. K., Bansal, N., Sankhwar, P., & Sankhwar, S. N. (2013). Efficacy of Withania somnifera on seminal plasma metabolites of infertile males: A proton NMR study at 800 MHz. Journal of Ethnopharmacology, 149(1), 208-214.
22Andrade, C., Aswath, A., Chaturvedi, S. K., Srinivasa, M., & Raguram, R. (2000). A double-blind, placebo-controlled evaluation of the anxiolytic efficacy of an ethanolic extract of Withania somnifera. Indian Journal of Psychiatry, 42(3), 295-301.
23Sud, K. S., & Thaker, A. B. (2013). A Randomized Double Blind Placebo Controlled Study of Ashwagandha on Generalized Anxiety Disorder. International Ayurvedic Medical Journal, 1(5)
24Sandhu, J. S., Shah, B., Shenoy, S., Chauhan, S., Lavekar, G. S., & Padhi, M. M. (2010). Effects of Withania somnifera (Ashwagandha) and Terminalia arjuna (Arjuna) on physical performance and cardiorespiratory endurance in healthy young adults. International Journal of Ayurveda Research, 1(3), 144-149.
25Shenoy, S., Chaskar, U., Sandhu, J. S., & Paadhi, M. M. (2012). Effects of eight-week supplementation of Ashwagandha on cardiorespiratory endurance in elite Indian cyclists. Journal of Ayurveda and Integrative Medicine, 3(4), 209-214.
26Malik, A., Mehta, V., Dahiya, V. (2013). Effect of Ashwagandha (Withania somnifera) Root Powder on the VO2 Max and Hemoglobin in Hockey Players. International Journal of Behavioral Social and Movement Sciences, 2(3).
27Choudhary, B., Shetty, A., & Langade, D. G. (2015). Efficacy of Ashwagandha (Withania somnifera [L.] Dunal) in improving cardiorespiratory endurance in healthy athletic adults. Ayu, 36(1), 63-68.
28RK, T., BA, S., AU, P., AA, R., & NN, R. (2016). Effect of Withania somnifera on physical and cardiovascular performance induced by physical stress in healthy human volunteers. International Journal of Basic & Clinical Pharmacology, 5(6), 2510–2516.
29Deshpande, A., Irani, N., Balkrishnan, R., & Benny, I. R. (2020). A randomized, double blind, placebo controlled study to evaluate the effects of ashwagandha (Withania somnifera) extract on sleep quality in healthy adults. Sleep medicine, 72, 28–36.
30Langade, D., Kanchi, S., Salve, J., Debnath, K., & Ambegaokar, D. (2019). Efficacy and Safety of Ashwagandha (Withania somnifera) Root Extract in Insomnia and Anxiety: A Double-blind, Randomized, Placebo-controlled Study. Cureus, 11(9).
31Choudhary, D., Bhattacharyya, S., & Joshi, K. (2016). Body Weight Management in Adults Under Chronic Stress Through Treatment With Ashwagandha Root Extract. Journal of Evidence-Based Complementary & Alternative Medicine.
32Kelgane, S. B., Salve, J., Sampara, P., & Debnath, K. (2020). Efficacy and Tolerability of Ashwagandha Root Extract in the Elderly for Improvement of General Well-being and Sleep: A Prospective, Randomized, Double-blind, Placebo-controlled Study. Cureus, 12(2).
33Pingali, U., Pilli, R., & Fatima, N. (2014). Effect of standardized aqueous extract of Withania somnifera on tests of cognitive and psychomotor performance in healthy human participants. Pharmacognosy Research, 6(1), 12-18.
34Wehr, E., Pilz, S., Boehm, B. O., März, W., & Obermayer-Pietsch, B. (2010). Association of vitamin D status with serum androgen levels in men. Clinical Endocrinology, 73(2), 243-248.
35Lee, D. M., Tajar, A., Pye, S. R., Boonen, S., Vanderschueren, D., Bouillon, R., W, T., Bartfai, G., Casanueva, F. F., Finn, J. D., Forti, G., Giwercman, A., Han, T. S., Huhtaniemi, I. T., Kula, K., Lean, M. E., Pendleton, N., Punab, M., & Wu, F. C. (2012). Association of hypogonadism with vitamin D status: The European Male Ageing Study. European Journal of Endocrinology, 166(1), 77-85.
36Nimptsch, K., Platz, E. A., Willett, W. C., & Giovannucci, E. (2012). Association between plasma 25-OH vitamin D and testosterone levels in men. Clinical Endocrinology, 77(1), 106-112.
37Chin, K. Y., Ima-Nirwana, S., & Wan Ngah, W. Z. (2015). Vitamin D is significantly associated with total testosterone and sex hormone-binding globulin in Malaysian men. The Aging Male : The Official Journal of the International Society for the Study of the Aging Male, 18(3), 175–179.
38Laczmanski, L., Lwow, F., Mossakowska, M., Puzianowska-Kuznicka, M., Szwed, M., Kolackov, K., Krzyzanowska-Swiniarska, B., Bar-Andziak, E., Chudek, J., Sloka, N., & Milewicz, A. (2015). Association between vitamin D concentration and levels of sex hormones in an elderly Polish population with different genotypes of VDR polymorphisms (rs10735810, rs1544410, rs7975232, rs731236). Gene, 559(1), 73–76.
39Tak, Y. J., Lee, J. G., Kim, Y. J., Park, N. C., Kim, S. S., Lee, S., Cho, B. M., Kong, E. H., Jung, D. W., & Yi, Y. H. (2015). Serum 25-hydroxyvitamin D levels and testosterone deficiency in middle-aged Korean men: A cross-sectional study. Asian Journal of Andrology, 17(2), 324-328.
40Wang, N., Han, B., Li, Q., Chen, Y., Chen, Y., Xia, F., Lin, D., Jensen, M. D., & Lu, Y. (2015). Vitamin D is associated with testosterone and hypogonadism in Chinese men: Results from a cross-sectional SPECT-China study. Reproductive Biology and Endocrinology : RB&E, 13.
41Anic, G. M., Albanes, D., Rohrmann, S., Kanarek, N., Nelson, W. G., Bradwin, G., Rifai, N., McGlynn, K. A., Platz, E. A., & Mondul, A. M. (2016). Association between serum 25-hydroxyvitamin D and serum sex steroid hormones among men in NHANES. Clinical Endocrinology, 85(2), 258-266.
42Rafiq, R., van Schoor, N. M., Sohl, E., Zillikens, M. C., Oosterwerff, M. M., Schaap, L., Lips, P., & de Jongh, R. T. (2016). Associations of vitamin D status and vitamin D-related polymorphisms with sex hormones in older men. The Journal of Steroid Biochemistry and Molecular Biology, 164, 11–17.
43Tirabassi, G., Sudano, M., Salvio, G., Cutini, M., Muscogiuri, G., Corona, G., & Balercia, G. (2018). Vitamin D and Male Sexual Function: A Transversal and Longitudinal Study. International Journal of Endocrinology, 2018(1), 3720813.
44Pilz, S., Frisch, S., Koertke, H., Kuhn, J., Dreier, J., Obermayer-Pietsch, B., Wehr, E., & Zittermann, A. (2011). Effect of vitamin D supplementation on testosterone levels in men. Hormone and Metabolic Research, 43(3), 223–225.
45M. Tambi, I. B., Imran, M. K., & Henkel, R. R. (2011). Standardised water-soluble extract of Eurycoma longifolia, Tongkat ali, as testosterone booster for managing men with late-onset hypogonadism? Andrologia, 44, 226-230.
46Henkel, R. R., Wang, R., Bassett, S. H., Chen, T., Liu, N., Zhu, Y., & Tambi, M. I. (2014). Tongkat Ali as a Potential Herbal Supplement for Physically Active Male and Female Seniors—A Pilot Study. Phytotherapy Research, 28(4), 544-550.
47Talbott, S. M., Talbott, J. A., George, A., & Pugh, M. (2013). Effect of Tongkat Ali on stress hormones and psychological mood state in moderately stressed subjects. Journal of the International Society of Sports Nutrition, 10, 28.
48Hamzah, S.H. & Yusof, A. (2003). The Ergogenic Effect of Eurycoma longifolia Jack: A Pilot Study. Joint Conference of BASEMand BASES, 37, 464-470
49Leitão, A. E., Vieira, M. C. S., Pelegrini, A., da Silva, E. L., & Guimarães, A. C. A. (2021). A 6-month, double-blind, placebo-controlled, randomized trial to evaluate the effect of Eurycoma longifolia (Tongkat Ali) and concurrent training on erectile function and testosterone levels in androgen deficiency of aging males (ADAM). Maturitas, 145, 78–85.
50Kotirum, S., Ismail, S. B., & Chaiyakunapruk, N. (2015). Efficacy of Tongkat Ali (Eurycoma longifolia) on erectile function improvement: Systematic review and meta-analysis of randomized controlled trials. Complementary Therapies in Medicine, 23(5), 693-698.
51Ismail, S. B., Zahiruddin Wan Mohammad, W. M., George, A., Nik Hussain, N. H., Musthapa Kamal, Z. M., & Liske, E. (2012). Randomized Clinical Trial on the Use of PHYSTA Freeze-Dried Water Extract of Eurycoma longifolia for the Improvement of Quality of Life and Sexual Well-Being in Men. Evidence-Based Complementary and Alternative Medicine : ECAM, 2012.
52Chinnappan, S. M., George, A., Pandey, P., Narke, G., & Choudhary, Y. K. (2021). Effect of Eurycoma longifolia standardised aqueous root extract–Physta® on testosterone levels and quality of life in ageing male subjects: A randomised, double-blind, placebo-controlled multicentre study. Food & Nutrition Research, 65.
53Chan, K. Q., Stewart, C., Chester, N., Hamzah, S. H., & Yusof, A. (2021). The effect of Eurycoma Longifolia on the regulation of reproductive hormones in young males. Andrologia, 53(4), e14001.
54Gonzales, G. F., Cordova, A., Gonzales, C., Chung, A., Vega, K., & Villena, A. (2001). Lepidium meyenii (Maca) improved semen parameters in adult men. Asian journal of andrology, 3(4), 301–303.
55Gonzales, G. F., Córdova, A., Vega, K., Chung, A., Villena, A., Góñez, C., & Castillo, S. (2002). Effect of Lepidium meyenii (MACA) on sexual desire and its absent relationship with serum testosterone levels in adult healthy men. Andrologia, 34(6), 367–372.
56Stone, M., Ibarra, A., Roller, M., Zangara, A., & Stevenson, E. (2009). A pilot investigation into the effect of maca supplementation on physical activity and sexual desire in sportsmen. Journal of Ethnopharmacology, 126(3), 574–576.
57Zenico, T., Cicero, A. F., Valmorri, L., Mercuriali, M., & Bercovich, E. (2009). Subjective effects of Lepidium meyenii (Maca) extract on well-being and sexual performances in patients with mild erectile dysfunction: a randomised, double-blind clinical trial. Andrologia, 41(2), 95–99.
58Shin, D., Jeon, S. H., Piao, J., Park, H. J., Tian, W. J., Moon, D. G., Ahn, S. T., Jeon, H., Zhu, G. Q., Park, I., Park, J., Bae, W. J., Cho, H. J., Hong, H., & Kim, S. W. (2023). Efficacy and Safety of Maca (Lepidium meyenii) in Patients with Symptoms of Late-Onset Hypogonadism: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial. The World Journal of Men's Health, 41(3), 692-700.
59Gonzales, C., Rubio, J., Gasco, M., Nieto, J., Yucra, S., & Gonzales, G. F. (2006). Effect of short-term and long-term treatments with three ecotypes of Lepidium meyenii (MACA) on spermatogenesis in rats. Journal of Ethnopharmacology, 103(3), 448-454.
60Zheng, B. L., He, K., Kim, C. H., Rogers, L., Shao, Y., Huang, Z. Y., Lu, Y., Yan, S. J., Qien, L. C., & Zheng, Q. Y. (2000). Effect of a lipidic extract from lepidium meyenii on sexual behavior in mice and rats. Urology, 55(4), 598–602.
61Cicero, A. F., Bandieri, E., & Arletti, R. (2001). Lepidium meyenii Walp. improves sexual behaviour in male rats independently from its action on spontaneous locomotor activity. Journal of Ethnopharmacology, 75(2-3), 225–229.
62Yoshida, K., Ohta, Y., Kawate, N., Takahashi, M., Inaba, T., Hatoya, S., Morii, H., Takahashi, K., Ito, M., & Tamada, H. (2018). Long-term feeding of hydroalcoholic extract powder of Lepidium meyenii (maca) enhances the steroidogenic ability of Leydig cells to alleviate its decline with ageing in male rats. Andrologia, 50(1), 10.1111/and.12803.
63Hunt, C. D., Johnson, P. E., Herbel, J., & Mullen, L. K. (1992). Effects of dietary zinc depletion on seminal volume and zinc loss, serum testosterone concentrations, and sperm morphology in young men. The American journal of clinical nutrition, 56(1), 148–157.
64Prasad, A. S., Abbasi, A. A., Rabbani, P., & Dumouchelle, E. (1981). Effect of zinc supplementation on serum testosterone level in adult male sickle cell anemia subjects. American Journal of Hematology, 10(2), 119-127.
65Liu, L., Zhang, N., Tong, Y., Sun, Y., Zhu, H., Cao, Y., Zhang, J., Huang, H., Niu, B., Li, H., Guo, H., Gao, Y., Zhu, L., & Li, Y. (2017). The effectiveness of zinc supplementation in men with isolated hypogonadotropic hypogonadism. Asian Journal of Andrology, 19(3), 280-285.
66Chu, D. S. (2018). Zinc: A small molecule with a big impact on sperm function. PLoS Biology, 16(6).
67Fallah, A., Mohammad-Hasani, A., & Colagar, A. H. (2018). Zinc is an Essential Element for Male Fertility: A Review of Zn Roles in Men’s Health, Germination, Sperm Quality, and Fertilization. Journal of Reproduction & Infertility, 19(2), 69-81.
68Colagar, A. H., Marzony, E. T., & Chaichi, M. J. (2009). Zinc levels in seminal plasma are associated with sperm quality in fertile and infertile men. Nutrition Research (New York, N.Y.), 29(2), 82–88.
69Kilic, M., Baltaci, A. K., Gunay, M., Gökbel, H., Okudan, N., & Cicioglu, I. (2006). The effect of exhaustion exercise on thyroid hormones and testosterone levels of elite athletes receiving oral zinc. Neuro Endocrinology Letters, 27(1-2), 247–252.
70Prasad, A. S., Mantzoros, C. S., Beck, F. W., Hess, J. W., & Brewer, G. J. (1996). Zinc status and serum testosterone levels of healthy adults. Nutrition (Burbank, Los Angeles County, Calif.), 12(5), 344–348
71Netter, A., Hartoma, R., & Nahoul, K. (1981). Effect of zinc administration on plasma testosterone, dihydrotestosterone, and sperm count. Archives of Andrology, 7(1), 69–73.
72Cinar, V., Talaghir, L.G., Akbulut, T., Turgut, M., Sarikaya, M. (2018). The effects of the zinc supplementation and weight trainings on the testosterone levels. Human.Sport.Medicine. 17. 58-63. 10.14529/hsm170407.
73Hoffman, H. N., Phyliky, R. L., & Fleming, C. (1988). Zinc-induced copper deficiency. Gastroenterology, 94(2), 508-512.
74Chang, C. S., Choi, J. B., Kim, H. J., & Park, S. B. (2011). Correlation between serum testosterone level and concentrations of copper and zinc in hair tissue. Biological Trace Element Research, 144(1-3), 264–271.
75Duncan A, Yacoubian C, Watson N, and Morrison, I. (2015). The risk of copper deficiency in patients prescribed zinc supplements. Journal of Clinical Pathology 2015;68:723-725.
76Willis, M. S., Monaghan, S. A., Miller, M. L., McKenna, R. W., Perkins, W. D., Levinson, B. S., Bhushan, V., & Kroft, S. H. (2005). Zinc-Induced Copper Deficiency: A Report of Three Cases Initially Recognized on Bone Marrow Examination. American Journal of Clinical Pathology, 123(1), 125-131.
77Nishime, K., Kondo, M., Saito, K., Miyawaki, H., & Nakagawa, T. (2020). Zinc Burden Evokes Copper Deficiency in the Hypoalbuminemic Hemodialysis Patients. Nutrients, 12(2), 577.
78L'Abbé, M. R., & Fischer, P. W. (1984). The Effects of High Dietary Zinc and Copper Deficiency on the Activity of Copper-Requiring Metalloenzymes in the Growing Rat. The Journal of Nutrition, 114(5), 813-822.
79Oluboyo, A. O., Adijeh, R. U., Onyenekwe, C. C., Oluboyo, B. O., Mbaeri, T. C., Odiegwu, C. N., Chukwuma, G. O., & Onwuasoanya, U. F. (2012). Relationship between serum levels of testosterone, zinc and selenium in infertile males attending fertility clinic in Nnewi, south east Nigeria. African Journal of Medicine and Medical Sciences, 41 Suppl, 51–54.
80Pieczyńska, J., & Grajeta, H. (2015). The role of selenium in human conception and pregnancy. Journal of Trace Elements in Medicine and Biology, 29, 31-38.
81Al-Jawad, Z. & Al-fahham, A. (2021). The Effect of Ascorbic Acid and Selenium intake on serum Cortisol in Rats Under Restraint Stress. Indian Journal of Forensic Medicine & Toxicology. 15. 1681-1685. 10.37506/ijfmt.v15i1.13651.
82Watanabe, T., & Endo, A. (1991). Effects of selenium deficiency on sperm morphology and spermatocyte chromosomes in mice. Mutation Research Letters, 262(2), 93-99.
83Lukusa, K., & Lehloenya, K. (2017). Selenium supplementation improves testicular characteristics and semen quality of Saanen bucks. Small Ruminant Research, 151, 52-58.
84Ghorbani, A., Moeini, M. M., Souri, M., & Hajarian, H. (2017). Influences of dietary selenium, zinc and their combination on semen characteristics and testosterone concentration in mature rams during breeding season. Journal of Applied Animal Research, 46(1), 813–819.
85Shi, L., Song, R., Yao, X., Duan, Y., Ren, Y., Zhang, C., Yue, W., & Lei, F. (2018). Effects of maternal dietary selenium (Se-enriched yeast) on testis development, testosterone level and testicular steroidogenesis-related gene expression of their male kids in Taihang Black Goats. Theriogenology, 114, 95-102.
86Wang, S., Gu, X., Ma, J., Gu, Z., Zhang, R., Li, R., Bai, J., Li, P., Wei, L., Ye, Y., Wang, Y., Zhang, L., Su, L., & Liang, C. (2023). Selenium nanoparticles improve nickel-induced testosterone synthesis disturbance by down-regulating miR-708-5p/p38 MAPK pathway in Leydig cells. Environmental Toxicology, 38(8), 1846–1859.
87Ghafarizadeh, A. A., Vaezi, G., Shariatzadeh, M. A., & Malekirad, A. A. (2018). Effect of in vitro selenium supplementation on sperm quality in asthenoteratozoospermic men. Andrologia, 50(2), e12869.
88Appling, D. R., & Chytil, F. (1981). Evidence of a role for retinoic acid (vitamin A-acid) in the maintenance of testosterone production in male rats. Endocrinology, 108(6), 2120–2124.
89Huang, H. F., Dyrenfurth, I., & Hembree, W. C. (1983). Endocrine changes associated with germ cell loss during vitamin A-induced recovery of spermatogenesis. Endocrinology, 112(4), 1163–1171.
90Livera, G., Rouiller-Fabre, V., Pairault, C., Levacher, C., & Habert, R. (2002). Regulation and perturbation of testicular functions by vitamin A. Reproduction (Cambridge, England), 124(2), 173–180.
91Tucci, P., Cione, E. & Genchi, G. (2008). Retinoic acid-induced testosterone production and retinoylation reaction are concomitant and exhibit a positive correlation in Leydig (TM-3) cells. J Bioenerg Biomembr 40, 111–115.
92Jutley, J. K., Reaney, S., Kelleher, J., & Whelan, P. (1990). Interactions of retinoic acid and androgens in human prostatic tissue. The Prostate, 16(4), 299-304.
93Yang, Y., Luo, J., Yu, D., Zhang, T., Lin, Q., Li, Q., Wu, X., Su, Z., Zhang, Q., Xiang, Q., & Huang, Y. (2018). Vitamin A Promotes Leydig Cell Differentiation via Alcohol Dehydrogenase 1. Frontiers in Endocrinology, 9.
94Masterjohn, C. (2007). Vitamin D toxicity redefined: Vitamin K and the molecular mechanism. Medical Hypotheses, 68(5), 1026-1034.
95Takumi, N., Shirakawa, H., Ohsaki, Y., Ito, A., Watanabe, T., Giriwono, P. E., Sato, T., & Komai, M. (2011). Dietary vitamin K alleviates the reduction in testosterone production induced by lipopolysaccharide administration in rat testis. Food & Function, 2(7), 406–411.
96Ho, H.-J., Shirakawa, H., & Komai, M. (2017). Menaquinone‐4 Enhances Steroidogenesis in Testis Derived Tumor Cells Via the Elevation of cAMP Level. InTech.
97Shirakawa, H., Ohsaki, Y., Minegishi, Y., Takumi, N., Ohinata, K., Furukawa, Y., Mizutani, T., & Komai, M. (2006). Vitamin K deficiency reduces testosterone production in the testis through down-regulation of the Cyp11a a cholesterol side chain cleavage enzyme in rats. Biochimica et Biophysica Acta (BBA) - General Subjects, 1760(10), 1482-1488.