In fact, the only study that I could find involving humans was a very small retrospective study with just 16 participants
Deficiencies in vitamin B12 can manifest in numerous health issues, such as cognitive decline, memory loss, fatigue, and even neurological disorders like dementia
T., & Camargo Jr, C
Researchers have also investigated its contribution to experimental studies involving adipocyte biology, metabolic regulation, and intracellular energy pathways
Storage Issues: Amazon FBA warehouses are not optimized for clinical-grade climate control
Alcohol and Vitamin B Deficiency Long-term heavy drinking can lead to a deficiency in vitamin B1 (thiamine) , increasing the risk of developing conditions like Wernicke-Korsakoff syndrome , a serious neurological disorder