All 12 had already tried the only FDA-approved drug for it and it did not work
Common B12 deficiency symptoms include fatigue, anxiety, depression, poor memory, confusion, brain fog, tingling or numbness in the extremities, zings or zapping feelings in the extremities, anemia, shortness of breath, muscle weakness, irritability, tender calves, pale complexion and more
The fact is, however, although B12 injections may help, they wont solve all of your problems
Apoptosis 2003
If layering in the same routine, wait at least 30 minutes between applying acids and niacinamide to allow the skins pH to normalize