1 How safe is tongkat ali
2 Malaysian concern about arsenic poisoning
3 Larger testicles from tongkat ali
4 Tongkat Ali and stearic acid
5 Improving sexual function
6 Marijuana and intelligence
7 Marijuana and love
8 Why Western culture needs marijuana
9 Does yohimbe increase penis size?
10 Yohimbe or yohimbine - which is better?
1 Betz JM, White KD, der Marderosian AH, Gas chromatographic determination of yohimbine in commercial yohimbe products, U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Washington, DC 20204, USA.
2 Sabel Villaescusa1, Maria Martinez2 andNuria Miralles2, Heavy metal uptake from aqueous solution by cork and yohimbe bark wastes, Journal of Chemical Technology and Biotechnology Volume 75, Issue 9, pages 812-816, September 2000