Research has explored effects on cortisol release, neurotransmitter levels including serotonin and GABA, and autonomic nervous system tone
In the meantime, attempts at upregulation of EAAT2 have continued, with encouraging [400, 401] or, sometimes, mixed/negative outcomes [402]
That level of integration is what separates a supervised medical protocol from a DIY experiment
a target below 0.30 mmol/L is recommended for those with features of severe disease, e.g
Unlike the illicit use of anabolic steroids, IGF-1 in medicine is administered under strict supervision and is intended to address specific health concerns, such as growth hormone deficiency or sarcopenia, the age-related loss of muscle mass