To clear up a misconception, I am not on TRT. Years ago, I took testosterone for a few mon

Partially SupportedBryan Johnson's testosterone level was 832 ng/dL when tapering off TRT, with SHBG of 76.

Partially SupportedBryan Johnson adjusted his calories to 2250 (10% caloric restriction) while discontinuing testosterone to evaluate the change in caloric intake on his biomarkers.

Partially SupportedBryan Johnson consumes 2,250 calories daily, which is 10% less than the recommended 2,500 calories for his age and activity level, as part of a caloric restriction diet.

Partially SupportedBryan Johnson has been on levothyroxine and armor thyroid since age 21 for hypothyroidism.