Can you do the intrinsic factor blood test if you get B12 injections?
Tropical disease research.
Will the results go directly to me or to a doctor?
Do I necessarily have to do the What Can I Eat prescreening first?
As a vegetarian, how can I test if I am missing any nutrients?
What is tested for in active B12?
Progressively thinner hair, what could be the cause?
Can I test if I am immune to measles?