The only time I have heard of this insomnia and vivid dreams is somebody not too long ago mentioned taking another B vitamin twice a day which caused them insomnia and vivid dreams, I not entirely sure but it might have been B6
As such, a B12 boost can help you quite a bit if youve been feeling fatigued, but only if a B12 deficiency is the reason
In an ideal situation, as your body uses B12, you are replenishing your B12 levels by eating foods that contain the vitamin, such as meat, fish, eggs, and dairy
Something seems to be going on at cell level
As progress is made, the frequency might be adjusted to bi-weekly or monthly to maintain consistent energy levels and support ongoing metabolic function
Think about it this way: When your test shows 1000 pg/mL, only about 5 g is circulating in your blood