I agree Dr. Bredesen's protocol probably can't hurt as it advocates a healthy lifestyle and diet, but there is NO evidence that it can prevent or reverse Alzheimers[1], as he claims. Also, Dr. Bredesen charges $1800+ for the protocol[2] in addition to selling branded supplements.
1 - https://www.ucsf.edu/news/2020/05/417431/pricey-protocol-not... 2 - https://www.healthleadersmedia.com/clinical-care/alzheimers-...