Vitamin B12 Injections
Vitamin B12 deficiency can cause an array of health problems including extreme tiredness ( fatigue ), Breathlessness, feeling faint, headaches, pale skin, palpitations, mouth ulcers, depression etc.
As its a vitamin, you don’t have to have a blood test prior to your injection. Your body will absorb what it requires from it.
You can have several shots to increase your levels to start with and then have a long term plan or you can have monthly injections.