Robert Oldham Young (born March 6, 1952) is an American naturopathic practitioner and author of alternative medicine books promoting an alkaline diet.

[5] In November 2018 a San Diego jury awarded US$105 million in damages to a cancer patient he persuaded to forgo effective treatment in favor of his alkaline diet, resulting in her disease progressing to an incurable stage 4.

The book titled Sick and Tired includes a foreword by celebrity Anthony Robbins in which he refers to Robert O Young as a genius multiple times.

[18] Young claims that disorders such as weight gain, water retention, high cholesterol, kidney stones, and tumors are all life-saving mechanisms for dealing with excess acidity in the body.

[19] A number of recent systematic reviews and meta-analyses in the medical literature have concluded that there is no evidence that alkaline diets are beneficial to humans.

Young has stated that he teaches live blood analysis solely for research and educational purposes, and not for use in diagnosing medical conditions, which the San Diego Union-Tribune characterizes as "a legal distinction that some might find elusive in practice".

[25] Live blood analysis is used by alternative medical practitioners, who claim it to be a valuable qualitative assessment of a person's state of health.

Live blood analysis lacks scientific foundation, and has been described as a fraudulent means of convincing patients to buy dietary supplements and as a medically useless "money-making scheme".

[34] In November 2018 he was ordered to pay US$105 million to a cancer patient who had sued him for claiming to be a doctor and advising her to forgo traditional medical treatment.

[35] In 2007, Kim Tinkham, diagnosed with stage three breast cancer, adopted Young's protocols, promoting them on her own website and on The Oprah Winfrey Show.

[36][37] In 2020, at a meeting of the conspiracy theory group International Tribunal for Natural Justice, Young made a speech that included comments about Bill Gates and vaccines ("For the purpose of sterilization and population control, there’s too many people on the planet we need to get rid of.