Here is an honest look at what they do and who they help
[39] The elderly are at increased risk because they tend to produce less stomach acid as they age, a condition known as achlorhydria, thereby increasing their probability of B 12 deficiency due to reduced absorption
Most patients see improvements within days with injections and within weeks with oral forms
Injections go straight into your bloodstream for faster and more complete absorption, especially useful if you have absorption issues
Feeling down or moody: Scarce B12 throws off your brains chemistry, lifting homocysteine levels and stirring up low moods or irritability
SIRT1 is also known as the "longevity gene" because of its role in reducing the risk of diabetes, obesity, metabolic syndrome, atherosclerosis and other forms of cardiovascular, kidney, liver, neurodegeneration and cancer