Yet in a study from 2011 measuring VO2 max in trained cyclists, arginine had no meaningful effect.4 Evidence suggests L-arginine may perform better in lesser-trained individuals
The supernatant was collected and stored on ice, when used immediately, or frozen at 80 C for future use
There is no question of the benefits of IGF-1 etc in increasing our healthspan
[41] Many of my clients come to my practice struggling to lose weight
Cell Reports 27:1293-1306.e6
12,13 While certain genetic disorders (eg, Kallmann syndrome) are linked to impaired function of the hypothalamus or pituitary gland from birth, toxic exposures and other environmental factors, both in utero and later in life, are also known to interfere with the activities of the gonadotropic hormones