b12 injections side effects nhs Vitamin for fatigue and low mood Why do I feel worse

Limited long-term human safety data

The four options below are a one-off purchase, NOT a subscription: 1 B12 Vial (1 Month) The vial contains 40 mg of B12, to which youll add 10 ml of saline and inject with insulin syringes

I prefer injections over oral supplements and I like that i can do it myself I can feel the difference in my energy levels

Long-term safety beyond 12 weeks has not been formally studied in large populations

Repeated ratings of desired treatment outcome, expected treatment outcome and pain variability will be calculated as each participants SD from the repeated ratings and implemented in a linear regression model to predict possible outcome measures