1. Hormonal decline in elderly men and male menopause
Cathy R. Kessenich, DSN, ARNP, and Michael J. Cichon, MD, FACS,Geriatr Nurs 2001;22:24-8)
2. A Review of Plant-Derived and Herbal Approaches to the Treatment of Sexual Dysfunctions.
DAVID L. ROWLAND,Journal of Sex & Marital Therapy, 29:3, 185-205
3. A new herbal combination, Etana, for enhancing erectile function:an efficacy and safety study in animals
N Qinna, H Taha, KZ Matalka and AA Badwan,International Journal of Impotence Research (2009) 21, 315–320
4. 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
T. Zenico, A. F. G. Cicero, L. Valmorri, M. Mercuriali & E. Bercovich,Andrologia 41, 95–99
5. Effect of Lepidium meyenii (Maca), a root with aphrodisiac and fertility-enhancing properties, on serum reproductive hormone levels in adult healthy men
G F Gonzales, A Córdova, K Vega, A Chung, A Villena and C Góñez,Journal of Endocrinology (2003) 176, 163–168
6. Lepidium meyenii (Maca) improved semen parameters in adult men
Gustavo F. Gonzales, Amanda Cordova, Carla Gonzales, Arturo Chung, Karla Vega, Arturo Villena,Asian J Androl 2001 Dec; 3: 301-303
7. Pectinase-treated Panax ginseng extract (GINST) rescues testicular dysfunction in aged rats via redox-modulating proteins
Yu-JinWon, Bo-kyung Kim, Yong-Kyu Shin, Seung-Hyo Jung, Sung-Kwang Yoo, Seock-Yeon Hwang,Jong-Hwan Sung, Si-Kwan Kim,Experimental Gerontology 53 (2014) 57–66
8. Effects of Korean red ginseng extract on acute renal failure induced by gentamicin and pharmacokinetic changes by metformin in rats
Yu Kyung Lee, Young-Won Chin, Young Hee Choi,Food and Chemical Toxicology 59 (2013) 153–159
9. Rhodiola rosea in stress induced fatigue -A double blind cross-over study of a standardized extract SHR-5 with a repeated low-dose regimen on the mental performance of healthy physicians during night duty.
V. Darbinya, A. Kteyan, A. Panossiarr, E. Gabrielian, G.Wikman and H. Wagner,Phytomedicine, Vol. 7(5). pp. 365-371
10. The effectiveness and efficacy of Rhodiola rosea L.: A systematic review of randomized clinical trials
Shao Kang Hung∗, Rachel Perry, Edzard Ernst,Phytomedicine 18 (2011) 235–244
11. Rosenroot (Rhodiolarosea): Traditional use,chemical composition, pharmacology and clinical efficacy
A. Panossian, G.Wikman, J.Sarris, Phytomedicine 17 (2010) 481–493
12. Effects of Eurycoma longifolia Jack on sexual qualities in middle aged male rats
H. H. Ang, T. H. Ngai and T. H. Tan,Phytomedicine 10: 590–593, 2003
13. Influence of Eurycoma longifolia on the copulatory activity of sexually sluggish and impotent male rats
P. Zanoli, M. Zavatti, C. Montanari, M. Baraldi,Journal of Ethnopharmacology 126 (2009) 308–313
14. Tongkat Ali (Eurycoma longifolia Jack): A review on its ethnobotany and pharmacological importance
Rajeev Bhat, A.A. Karim,Fitoterapia 81 (2010) 669–679
15. Effect of l-arginine on arginase activity in male accessory sex glands of alloxan-treated rats
José D. Méndez, Adriana Sosa, Mart´ın Palomar-Morales,Reproductive Toxicology 16 (2002) 809–813
16. Evaluation of L-arginine on kidney function and vascular reactivity following ischemic injury in rats: Protective effects and potential interactions
Amira M. Senbel, Amal G. Omar, Lobna M. Abdel-Moneim, Hosny F. Mohamed, Tahia T. Daabees,Pharmacological Reports 66 (2014) 976–983
17. In Vitro Supplements Improves Motility and Progressive Score of Spermatozoa in Jermasia Goats
M. Shikh Maidin, N.F.Adanan, M.T. Aminudin, A. Tawang,APCBEE Procedia 8 ( 2014 ): 329 – 333
18. Food of the gods: cure for humanity? A cultural history of the medicinal and ritual use of chocolate
Dillinger TL, Barriga P, Escárcega S, Jimenez M, Salazar Lowe D, Grivetti LE.J Nutr. 2000 Aug;130(8S Suppl):2057S-72S
19. Green tea polyphenols and dietary fibre protect against kidney damage in rats with diabetic nephropathy
Takako Yokozawa,Takako Nakagawa,Takeshi Oya, Tsutomu Okubo and Lekh Raj Juneja,Journal of Pharmacy and Pharmacology Volume 57, Issue 6, pages 773–780,June 2005
20. Green tea polyphenols stimulate mitochondrial biogenesis and improve renal function after chronic cyclosporin a treatment in rats.
Rehman H1, Krishnasamy Y, Haque K, Thurman RG, Lemasters JJ, Schnellmann RG, Zhong Z.PLoS One. 2013 Jun 3;8(6):e65029.
21. Influence of green tea polyphenol in rats with arginine-induced renal failure.
Yokozawa T1, Cho EJ, Nakagawa T.J Agric Food Chem. 2003 Apr 9;51(8):2421-5.