However, there is no strong evidence that B12 supplementation causes insomnia or sleep disturbances in most people
They primarily work by mimicking a gut hormone that slows digestion, reduces appetite, and improves insulin secretion
For instance, one study notes that people with excess weight or obesity appear to have lower vitamin B12 levels than people who have a body mass index (BMI) in the normal range ( Additional research has observed that people who voluntarily took vitamin B12 supplements gained between 2.517 fewer pounds (1.27.7 kg) over 10 years than those who did not supplement with this vitamin ( Still, such observational studies cannot confirm whether low vitamin B12 levels are what caused the weight gain, nor whether theyre what protected against low levels
Note that the numbers in parentheses (1, 2, etc.) are clickable links to medically peer-reviewed studies
Using a compound from an unvetted source introduces risks that are simply not worth taking
Longevity pathway activation NAD+ plays a crucial role in activating sirtuins, a family of proteins involved in cellular repair, stress response, and aging
