b12 injections vs tablets Pills: Richmond's Complete Guide Best Liquid B12 Supplements 2026:

But they have their fair share of cons

B12 injections bypass the digestive system entirely, delivering the nutrient directly into the bloodstream for immediate, complete absorption far more effective than oral supplements when deficiency or absorption issues are present

Cellular energy

Polysaccharide peptides from Ganoderma lucidum ameliorate lipid metabolic disorders and gut microbiota dysbiosis in high-fat diet-fed rats

FDA has also identified serious adverse events that may be associated with AOD-9604, though causality is not clear." The trouble is that, since AOD 9604 is not an FDA-approved medication, there's very little oversight, regulation, or consistency in its manufacture, and there's no way to tell if you're getting it from a reputable source

Rosenblatt, R.F