Stability is influenced by multiple factors including formulation, storage conditions, temperature fluctuation, and handling practices not container format alone
Also no noticeable Side effects with nausea or other stomach things mentioned as possible
If you were to draw from it multiple times, youd be running a serious risk of introducing and cultivating bacteria
The reports theyve received havent raised concerns about the adequacy of the B12 amount in their supplement (private correspondence with Stephen Walsh in August 2021)
But skin boosters are mild and transient (they do not correct wrinkles) they will only last 4-6 months in ideal cases
Determining the appropriate amount of vitamin B12 to take depends on several factors, including age, health status, and dietary habits