compounded tirzepatide with b12 and glycine Impurity in Some Compounded Tirzepatide

Clinical trials and real-world data have not identified direct interference between GLP-1 medications and thyroid hormone absorption or thyroid medication efficacy

Both forms are effective at preventing the B12 deficiency that GLP-1 medications can cause

Suciu M, Gruia AT, Nica DV, Azghadi SMR, Mic AA, Mic FA

These effects can include fatigue and weakness, numbness and tingling in the hands and feet, and memory loss and cognitive decline

doi: 10.1172/JCI69600 16 van GeldermalsenMWangQNagarajahRMarshallADThoengAGaoDet al

Clinical laboratories generally define vitamin B12 deficiency as a serum level below 148 pmol/L (approximately 200 pg/mL)