Chem Biol Interact 80:8997 Hagen TM, Wierzbicka GT, Sillau AH, Bowman BB, Jones DP (1990) Bioavailability of dietary glutathione: effect on plasma concentration
You can use it to inject yourself weekly, under the skin in the upper arms, stomach, thighs or buttocks
That said, very few patients have reported significant side effects
Based on Lilly's approach with Zepbound (tirzepatide), which uses single-dose prefilled pens, retatrutide would likely be available in a similar pen format if approved
With an FSA, you can choose to contribute money directly from your paycheck before taxes are taken out so you can use tax-free money on qualified out-of-pocket medical expenses