Vitamin B12 is water soluble vitamin and so there are many available forms oral, gel, nasal, sublingual, and even in lollipop form
Vitamin B12 plays a critical role in the bodys energy production, but its deficiency can lead to a host of debilitating symptoms, including tiredness, brain fog, and muscle weakness
[10] Low NAD+ levels have recently been associated with a variety of age-related ailments and diseases linked to increased oxidative/free radical damage, including diabetes, heart disease, vascular dysfunction, ischemic brain injury, Alzheimers disease, and vision loss
High vitamin B12 levels are often seen as less concerning because they usually dont cause symptoms and are typically the sign of an underlying condition, not a direct health risk 2 , 5