Ive been self administering B12 shots for past 3 weeks. 10mg every 3 days subcutaneously...
Urine has just started to have a red tinge a few hours after shot. Does this mean i am at my optimum dosage, and should start to stretch them out (say every 5 days?).
Also, does the fact my urine has only just started to have red tinge after 3 weeks of 10mg evey 3 days suggest I was serioulsy deficient??
Would love some advice from someone with B12 experience.
If one has had disturbed digestion for an extended time and/or if one is getting on in years, B12 absorption can be poor even when proper digestion is restored.
That has been true in my case.
I have used B12 in various forms.
Oral does not absorb very well for me.
I have used the self-administered shots at about the amount and frequency that you are using for several years in the past.
Had at least 2-3 years where I needed 1-3 or more 10 ml shots a week.
Now, I mainly use an inhaled form. Take a look at this thread for a few more details:
BTW, I determine whether I need more by whether I develop otherwise unexplained fatigue. I take a sample shot every 3-6 months to see if I do better with it.
Never had the colored pee.
Have the symptoms for which you were taking the B12 resolved???
If not, the colored pee may indicate it is not being utilized???
"Intrinsic factor" is essential to absorb b12... there are some supplements that include "intrinsic factor" out there.
"Historically, vitamin B12 was discovered from its relationship to the disease pernicious anemia, which is an autoimmune disease that destroys parietal cells in the stomach that secrete intrinsic factor. Intrinsic factor is crucial for the normal absorption of B12, therefore, a lack of intrinsic factor, as seen in pernicious anemia, causes a vitamin B12 deficiency"
"Therefore, absorption of food vitamin B12 requires an intact and functioning stomach, exocrine pancreas, intrinsic factor, and small bowel. Problems with any one of these organs makes a vitamin B12 deficiency possible"
"Individuals who lack intrinsic factor have a decreased ability to absorb B12. This results in 80-100% excretion of oral doses in the feces versus 30-60% excretion in feces as seen in individuals with adequate intrinsic factor."
..so if intrinsic factor is essential to absorb B12, could the receptors responsible for intrinsic factor creation have been destroyed by 4 years of antibiotic abuse??
Current symptoms - seriously compromised digestion. Achloridia and Pancraetic insufficency to the point where I cant survive without Enzymes...
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B12 Shots - Ideal Dosage? 
