GA, Hillier TA, Brown JB
If your vial accidentally froze (stored too close to the freezer compartment or in a refrigerator set below 0C), discard it immediately there is no salvage method and no at-home test to confirm remaining activity
But when headaches become regular occurrences were talking two or more per week you may be dealing with something more complicated
Emily is amazing and very attentive
Eisenberg T, Knauer H, Schauer A, Bttner S, Ruckenstuhl C, Carmona-Gutierrez D, Ring J, Schroeder S, Magnes C, Antonacci L, Fussi H, Deszcz L, Hartl R, Schraml E, Criollo A, Megalou E, Weiskopf D, Laun P, Heeren G, Breitenbach M, Grubeck-Loebenstein B, Herker E, Fahrenkrog B, Frhlich KU, Sinner F, Tavernarakis N, Minois N, Kroemer G, Madeo F (2009) Induction of autophagy by spermidine promotes longevity