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

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.

People Forever International - Non-profit organization promoting human physical immortality. Founded in 1971, and based in Scottsdale, Arizona.

Society of Eternal Youth Network - Dedicated to finding a cure for senescence through research and community involvement. Located in Fremont, California.

National Rejuvenation Foundation - Non-profit organization dedicated anti-aging research. Headquarters in Oak Brook, Illinois.

British Longevity Society - Non-profit life extension organization. News and directory of anti-aging drugs.

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.

World Health Network - The American Academy of Anti-Aging Medicine (A4M). News, directories of clinics and products, and publications.

Sciences of Longevity - Assistance to scientific research projects that are aimed at the extension of human life span.

Longevity Meme - Nonprofit longevity organization that promotes and publicizes achievable anti-aging technologies.

American Neuroendocrine Society - Professional society for neuroendocrinologists, including endocrinologists who specialize in anti-aging medicines.

International College of Advanced Longevity Medicine - Provides education, training and certification in the field of advanced anti-aging/longevity medicine for all health professionals.