Most syringes have markings every 2 units, so you would draw to the line halfway between 36 and 38
Glutamate is also a neurotransmitter (see below), which makes it one of the most abundant molecules in the brain
J Biomed Semantics 7:19 Chiou N-T, Ansel KM (2016) Improved exosome isolation by sucrose gradient fractionation of ultracentrifuged crude exosome pellets Cianciaruso C, Beltraminelli T, Duval F, Nassiri S, Hamelin R, Mozes A, Gallart-Ayala H, Ceada Torres G, Torchia B, Ries CH, Ivanisevic J, De Palma M (2019) Molecular profiling and functional analysis of macrophage-derived tumor extracellular vesicles
You can eat and drink as normal beforehand, just come hydrated and ready to relax
For a longer view on where creator-economy consolidation is heading, see the Compound Creative holding company launch