Moreover, the classification of Receptor Grade refers to the purity of the material, which is considered higher than Media Grade IGF-1 LR3
Pscychostimulants Caffiene Drug Name: (generic), CDM, PJs, Liptons, 5 Hour Energy, Monster Energy, Starbucks Drug Class: CNS Stimulant, Methylxanthine Mechanism of Action: Adenosine receptor antagonist (leading to an increase in intracellular cAMP) Indications: Getting thru medical pharmacology lectures, sleep retardant, migraine, apnea of prematurity Side Effects: mild delirium insomnia diuresis dehydration tachycardia and fever commonly occur with overdosage more serious overdosage can cause cardiac arrhythmias and clonic-tonic convulsions FDA Adverse Events Report on Energy Drinks
It supports energy at a cellular level, which typically does not interfere with your ability to fall asleep in the evening
doi: 10.1038/nature07665 105 LewisJSLeeJAUnderwoodJCHarrisALLewisCE
Thus, a major concern is, of course, safety issues