Vitamin B12 deficiency can lead to pernicious anemia, a form of anemia that can result in irreversible nerve damage known as pernicious neuropathy
10.1016/j.neulet.2009.02.020 Neurosci
Delivery method matters as much as ingredients delivering active compounds directly to the follicle via microneedling is fundamentally more effective than topical application alone
In one study published in Molecular Nutrition and Food Research, nicotinamide supplementation protected mice against diet-induced obesity, increased energy expenditure, and induced the beiging of white adipose tissue, a process that converts energy-storing fat cells into energy-burning cells
On rare occasion, it can infect humans as well, causes a universally lethal meningoencephalitis
The evidence is thinner than the price suggests