Results may vary based on your initial deficiency level
How Much Vitamin B12 Do I Need
Side effects are rare, but may include mild soreness at the injection site
When your levels are low, you might feel tired, weak, or experience neurological symptoms
But virtually all of them are overhyped at this point. There are promising results popping up in petri dishes (in vitro studies) and in animal models, but human data is very limited at this point. Norton says hes cautiously optimistic about the true potential of peptides, but given that less than 50% of animal study findings carry over to humans, these compounds really should be vigorously tested in human trials before being marketed to the public. The digestion process may make many of these peptides biologically inert, as digestive enzymes can break them down, though there are some measures that can be taken to protect them during this process
What more can you ask for