Referencias:
- http://www.homecuresthatwork.com/Slideshow/Top-6-Anti-Aging-Supplements
- http://www.LifeScript.com/Health/Centers/Alzheimers/Tips/5_anti-aging_supplements_worth_taking.aspx
- http://blog.LEF.org/2013/10/the-Top-3-Anti-Aging-Supplements.html