Multiple third-party peer reviewed journals have found the ingredients inside Jalkoy to demonstrate positive effects on Erectile Dysfunction and help with erections.

The claims made on this site are based on these findings.

Full details of these journals are found below…

“Two randomized controlled trials suggested a significant positive effect of maca on sexual dysfunction or sexual desire in… healthy adult men” and “The further randomized controlled trials assessed the effects of maca in patients with erectile dysfunction… and showed significant effects”

Shin BC1, Lee MS, Yang EJ, Lim HS, Ernst E. (2010) Maca (L. meyenii) for improving sexual function: a systematic review. BMC Complement Altern Med. 2010 Aug 6;10:44. doi: 10.1186/1472-6882-10-44.

“…[Fenugreek extract] had an overall positive effect on physiological aspects of libido. In particular, there was a significant increase in the subdomains of sexual arousal and orgasm”. It later said “[Fenugreek extract] demonstrated a significant positive effect on physiological aspects of libido and may assist to maintain normal healthy testosterone levels”

Steels E1, Rao A, Vitetta L. (2011) Physiological Aspects of Male Libido Enhanced by Standardized Trigonella foenum-graecum Extract and Mineral Formulation. Phytother Res. 2011 Feb 10. doi: 10.1002/ptr.3360. [Epub ahead of print]

“Ginkgo Biloba generally had a positive effect on all 4 phases of the sexual response cycle: desire, excitement (erection and lubrication), orgasm, and resolution (afterglow)”

Sohn, Michael; Sikora, Richard (1991) Ginkgo biloba extract in the therapy of erectile dysfunction. Journal of Sex Education & Therapy, Vol 17(1), 1991, 53-61.

“It can be used as an alternative medicine to improve sexual life in men with sexual dysfunction”

Choi YD1, Park CW, Jang J, Kim SH, Jeon HY, Kim WG, Lee SJ, Chung WS. (2013) Effects of Korean ginseng berry extract on sexual function in men with erectile dysfunction: a multicenter, placebo-controlled, double-blind clinical study. Int J Impot Res. 2013 Mar-Apr;25(2):45-50. doi: 10.1038/ijir.2012.45. Epub 2012 Dec 20.

“Collectively these randomized controlled trials provide suggestive evidence for the effectiveness of… ginseng in the treatment of erectile dysfunction”

Hong B1, Ji YH, Hong JH, Nam KY, Ahn TY. (2002) A double-blind crossover study evaluating the efficacy of korean red ginseng in patients with erectile dysfunction: a preliminary report. J Urol. 2002 Nov;168(5):2070-3.

Below is a list of additional peer-reviewed journals used in researching the positive effects for the ingredients found in Jalkoy

M. J. Ballick & R. Lee, “Maca: from traditional food crop to energy and libido stimulant,” Alternative Therapies in Health and Medicine 8, No. 2 (2002): 96-98. http://www.ncbi.nlm.nih.gov/pubmed/11890390

M. Stone, et al., “A pilot investigation into the effect of maca supplementation on physical activity and sexual desire in sportsmen,” Journal of Ethnopharmacology 126, No. 3 (2009): 574-576. http://www.sciencedirect.com/science/article/pii/S0378874109005728

G. F. Gonzales, et al., “Effect of Lepidium meyenii (Maca), a root with aphrodisiac and fertility-enhancing properties, on serum reproductive hormone levels in adult healthy men,” Journal of Endocrinology 176, No. 1 (2003): 163-168. http://www.ncbi.nlm.nih.gov/pubmed/12525260

G. F. Gonzales, et al., “Effect of Lepidium meyenii (MACA) on sexual desire and its absent relationship with serum testosterone levels in adult healthy men,” Andrologia 34, No. 1 (2002): 367-372. http://onlinelibrary.wiley.com/doi/10.1046/j.1439-0272.2002.00519.x/abstract;jsessionid=CF81B28C4C1E3BB48A745D277C53DD31.f01t04?deniedAccessCustomisedMessage=&userIsAuthenticated=false

Wilborn C, et al (2010) Effects of a purported aromatase and 5?-reductase inhibitor on hormone profiles in college-age men. Int J Sport Nutr Exerc Metab 20(6):457-65. http://www.ncbi.nlm.nih.gov/pubmed/21116018

Cohen AJ, Bartlik B. Ginkgo biloba for antidepressant-induced sexual dysfunction. J Sex Marital Ther. 1998 Apr-Jun;24(2):139-43. http://www.ncbi.nlm.nih.gov/pubmed/9611693

Chiung-Chi Peng, Jia-Hong Liu, Chi-Huang Chang, Jin-Yuan Chung, Kuan-Chou Chen, Kuang-Yu Chou, and Robert Y. Peng, Action Mechanism of Ginkgo biloba Leaf Extract Intervened by Exercise Therapy in Treatment of Benign Prostate Hyperplasia Evid Based Complement Alternat Med. 2013; 2013: 408734. Published online Apr 16, 2013. doi: 10.1155/2013/408734

Jung Jun Kim, Deok Hyun Han, Soo Hyun Lim, Tae Hun Kim, Mee Ree Chae, Kyung Jin Chung, Sung Chul Kam, Ju-Hong Jeon, Jong Kwan Park, and Sung Won Lee Effects of Ginkgo biloba extracts with mirodenafil on the relaxation of corpus cavernosal smooth muscle and the potassium channel activity of corporal smooth muscle cells Asian J Androl. Sep 2011; 13(5): 742–746. Published online Apr 11, 2011. doi: 10.1038/aja.2010.184 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3739598/

Hong B, Ji YH, Hong JH, Nam KY, Ahn TY. A double-blind crossover study evaluating the efficacy of korean red ginseng in patients with erectile dysfunction: a preliminary report. J Urol. 2002 Nov;168(5):2070-3. http://www.ncbi.nlm.nih.gov/pubmed/12394711

Dai-Ja Jang, Myeong Soo Lee, Byung-Cheul Shin, Young-Cheoul Lee, and Edzard Ernst Red ginseng for treating erectile dysfunction: a systematic Red ginseng for treating erectile dysfunction: a systematic review Br J Clin Pharmacol. Oct 2008; 66(4): 444–450. Published online Aug 28, 2008. doi: 10.1111/j.1365-2125.2008.03236.x http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2561113/

Choi HK, Seong DH, Rha KH. Clinical efficacy of Korean red ginseng for erectile dysfunction. Int J Impot Res. 1995 Sep;7(3):181-6. http://www.ncbi.nlm.nih.gov/pubmed/8750052

Cho KS, Park CW, Kim CK, Jeon HY, Kim WG, Lee SJ, Kim YM, Lee JY, Choi YD. Effects of Korean ginseng berry extract (GB0710) on penile erection: evidence from in vitro and in vivo studies. Asian J Androl. 2013 Jul;15(4):503-7. doi: 10.1038/aja.2013.49. Epub 2013 May 27. http://www.ncbi.nlm.nih.gov/pubmed/23708462

Kim TH, Jeon SH, Hahn EJ, Paek KY, Park JK, Youn NY, Lee HL. Effects of tissue-cultured mountain ginseng (Panax ginseng CA Meyer) extract on male patients with erectile dysfunction. Asian J Androl. 2009 May;11(3):356-61. doi: 10.1038/aja.2008.32. Epub 2009 Feb 23. http://www.ncbi.nlm.nih.gov/pubmed/19234482

de Andrade E, de Mesquita AA, Claro Jde A, de Andrade PM, Ortiz V, Paranhos M, Srougi M. Study of the efficacy of Korean Red Ginseng in the treatment of erectile dysfunction. Asian J Androl. 2007 Mar;9(2):241-4. Epub 2006 Jul 11. http://www.ncbi.nlm.nih.gov/pubmed/16855773

Price A, Gazewood J. Korean red ginseng effective for treatment of erectile dysfunction. J Fam Pract. 2003 Jan;52(1):20-1. http://www.ncbi.nlm.nih.gov/pubmed/12540305