These three amino acids play an important role in muscle growth by stimulating protein synthesis and preventing protein catabolism
10.1021/acs.jmedchem.5b00726 73 LayerP.HolstJ
The most widespread indicators include unexplained muscle weakness, a constantly sore or swollen tongue, chronic brain fog, tingling sensations or pins and needles in your hands and feet, persistent mood shifts, and a pale or yellowish skin tint
The mechanism isn't fully understood, but animal studies suggest direct kidney signaling and indirect effects through blood pressure regulation play roles
There are crackdown efforts: The US Food and Drug Administration says people should buy their drugs from licensed pharmacies, with valid prescriptions
doi: 10.3389/fimmu.2022.832432 105 PavlovVATraceyKJ