Vitamin B12 deficiency causes tiredness, weakness, constipation, loss of appetite, weight loss, and megaloblastic anemia
Its in hemoglobin, which is in red blood cells
Injected, it tells your skins pigment cells to produce more melanin, which can darken skin dramatically within days the reason its nicknamed the Barbie drug (UNSW)
Beyond 28 days, benzyl alcohol degradation accelerates and bacterial inhibition becomes unreliable even under proper refrigeration
Specifically, this is mainly reflected in a reduction in the quantity and abundance of butyrate-producing bacteria, such as CB , FP , Clostridium lavalense , Clostridium cluster XlVa , Blautia faecis , Bacteroides uniformis , Ruminococcus torques , and Roseburia inulinivorans (64, 65)