• 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.

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

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

• Life Extension Foundation Organization dedicated to scientific methods to slow and reverse aging.

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

• 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.

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

• Smart Life Forum Holds monthly seminars on issues of alternative health, biochemistry, physiology, anti-aging, and related research areas. Palo Alto, California.

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