Many people seem to experience symptoms like those you mention - where it has been mentioned in posts my memory is that the individuals concerned report the sleepiness as something that continues as they move into maintenance shots
Chemical & Physical Properties Toxicological Information CHEMICAL IDENTIFICATION RTECS NUMBER : MC0556000 CHEMICAL NAME : Glycine, N-(N-L-gamma-glutamyl-L-cysteinyl)- CAS REGISTRY NUMBER : 70-18-8 LAST UPDATED : 199710 DATA ITEMS CITED : 20 MOLECULAR FORMULA : C10-H17-N3-O6-S MOLECULAR WEIGHT : 307.36 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 4020 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 5 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2238 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intramuscular SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 4 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral DOSE : 1250 mg/kg SEX/DURATION : female 1-22 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - post-implantation mortality (e.g
10.1080/19490976.2023.2284240 39 LaiJ.JiangF.ZhuoX.XuX.LiuL.YinK.et al (2022)
May 5 2021;22(9)doi:10.3390/ijms22094905 Davis EM, Peck JD, Hansen KR, Neas BR, Craig LB
While theyre often confusedor even used interchangeablytheyre not the same
But one layer deeperat the cellular leveltheres another key player that deserves your attention: glutathione
