Symptoms include hives, urticaria, facial swelling, and in severe cases, anaphylaxis
The injection itself takes seconds
Fatigue is common and can be caused by many things, including: Iron deficiency Low vitamin D Thyroid issues Poor sleep quality or sleep apnoea Stress and burnout Low mood/anxiety Dietary patterns and hydration Long-term conditions Thats why we always recommend basing B12 treatment on clinical context, and ideally blood test results, rather than guessing
This is lifelong
Unveiling the query: Does B12 injection have red dye? for a definite understanding of this crucial aspect in B12 supplementation
In fact, a 2008 study found that after taking a 1,000 mcg oral supplement, only approximately 1.3% (or 13 mcg) of B12 was absorbed into the bloodstream