i have b12 injections but still tired 11 symptoms of vitamin deficiency Feeling worse after B12 Injection:

If youre feeling sluggish or finding it tough to stay active, B12 injections for weight loss could help boost your energy levels

291-294 Based on the abundance of evidence, the International Society for Nutritional Psychiatry Research recommends the use of EPA in the treatment and prevention of major depression

For example, clinical cases of vitamin B12 deficiency have been reported even in persons with low-to-normal total serum vitamin B12 levels (Lindenbaum et al., 1988)

Snchez-Lpez, M

Some people do not absorb B12 efficiently due to age, gastrointestinal issues, or insufficient intrinsic factor, a protein required for B12 absorption