Let's explore the differences and ensure you're storing your B12 properly
However, no evidence of tumor promotion has been observed in any published Epithalon study, including long-term animal lifespan studies [2]
Briassoulis, G., Damjanovic, S., Xekouki, P., Lefebvre, H
Potential implications of the new pharmacotherapies on obesity management The mean WL in clinical trials with the most efficacious new obesity pharmacotherapies ranges between 15% and 25% at 1 year (and it may be even higher for some agents that have not reached weight plateau at study completion)
While this effect is minor in a sealed vial over the short term, refrigeration helps keep the preservative where it belongs: in the solution