Los Angeles Gerontology Research Group
- Holds regular seminars on possible clinical interventions against the aging process and related topics in growth and developmental biology. Includes rosters and photographs of those living past the age of 110.
- http://www.grg.org/

Smart Life Forum
- Holds monthly seminars on issues of alternative health, biochemistry, physiology, anti-aging, and related research areas. Palo Alto, California.
- http://www.smartlifeforum.org/

American Neuroendocrine Society
- Professional society for neuroendocrinologists, including endocrinologists who specialize in anti-aging medicines.
- http://www.neuroendocrine.org/

Longevity Meme
- Nonprofit longevity organization that promotes and publicizes achievable anti-aging technologies.
- http://www.longevitymeme.org/

World Health Network
- The American Academy of Anti-Aging Medicine (A4M). News, directories of clinics and products, and publications.
- http://www.worldhealth.net/

Academy of Anti-Aging Research
- Nonprofit society of health care professionals dedicated to the advancement of anti-aging medicine. Publisher of the Journal of Anti-Aging Research.
- http://www.a3r.org/

British Longevity Society
- Non-profit life extension organization. News and directory of anti-aging drugs.
- http://www.antiageing.freeserve.co.uk

Rejuvenation And Longevity Foundation
- Membership organization with chat and information about hormone therapy for anti-aging. Affiliated with the Senior Citizens Association in Tulsa, Oklahoma.
- http://www.anti-aging.org/

Life Extension Foundation
- Organization dedicated to scientific methods to slow and reverse aging.
- http://www.lef.org/

American Society for Aesthetic Plastic Surgery
- Professional organization for plastic surgeons, including the practice of cosmetic surgery and anti-aging medicine.
- http://www.surgery.org/