Because the fatty tissue has fewer blood vessels than muscle, the absorption is more of a steady trickle than a rush
There was no significant difference between those who ate meat + those who did not
People who dont eat animal products, like vegetarians and vegans, might struggle to get enough B12 through diet alone, although you can find B12 in fortified cereals and soy products
[8] Very high doses may occasionally cause hypokalaemia (low potassium), particularly in patients with severe megaloblastic anaemia when treatment is initiated, necessitating monitoring in hospital settings
AOD-9604, sometimes called the fat-burning peptide, showed limited promise in animal studies but has failed to demonstrate consistent results in people, leading the FDA to explicitly state it is not an approved treatment (FDA on unapproved drugs)