If you were deferred due to low weight, you may resume donation once you have maintained a weight above the minimum requirement (110 pounds for whole blood donation at most US centers) for a stable period
G., Ricci, A., Mastropasqua, F., Valentini, G., Ramunni, G., Totaro, Fila G., and Rizzon, P
classified as research-use only outside of the approved Zadaxin (thymalfasin) drug product, and compounding pharmacies cannot legally prepare it for patient use without FDA authorization
Still, travel can mean changed time zones, upended routines, different foods and less predictable access to refrigeration or your usual setup
doi:10.1016/j.cytogfr.2009.10.019 45