missed my b12 injection Methylcobalamin (Vitamin B12) Sandoz Vitamin B12 Injectable Solution
Description
(PubMed) Watanabe F, Yabuta Y, Tanioka Y, Bito T

This means faster and more effective absorption and relief

(2000) observed a decrease in the serum cobalamin concentration (in the normal range) in cats with cardiomyopathy and thromboembolism compared to healthy cats

Lyophilized powder freezes fine for long-term storage, but once a peptide is in solution, ice crystals physically damage the structure you lose potency and get precipitation on thaw
