Doctor insights on:
B12 Absorption With Colectomy
How can I keep my energy levels since i had a total colectomy with j pouch? Not anemic, B12 and thyroid are find.
My son (22) had a colectomy, his colon was removed and subsequent J Pouch etc. He recently is very fatigue, weightloss etc could this be a b12 defiec?
Unlikely: B12 absorption and the intrinsic factor that are involved in the process are all part of the small intestine function. The colon is more of a storage area, water retriever than anything else, so loss doesn't often give significant problems. Fatigue is a good reason for an office evaluation. ...Read more
Is responding to B12 sublingual but not to oral caps B12 enough evidence that I have absorption problems?
No: Additional testing is necessary by your gastroenterologist or internist. ...Read more
If I am taking B12 "sublingually", then, would drinking a small cup of coffee disturb the B12 absorption?
NO: by the time it dissolves under your tongue- it should be absorbed and not affected by coffee. ...Read more
How much of B12 supplement can my body absorb per day? Does taking more 5000 mcg in 5 times(in 2hours gap) mean more absorption than 1000mcg one time?
Sublingual B12: Is best. Get the kind that melts under your tongue and with folate (folic acid) if possible. 500 to 1000 mcg is a common dose. If you swallow the B12 you will get much lest benefit because it has to go through your GI system. Peace and good health. I see you struggle w/fatigue. You may find the MicroNutrient Test from Spectracell lab in Tx helpful. ...Read more
Does fat content increase the absorption of vitamin D2, or this only apply to D3? Does vitamin D2 interact with B12?
How do I optimize D2 absorption?
Optimizing D absorpt: Vit D3 is superior to D2. Both are fat soluble. Absorption is enhanced with food and fat. To optimize effects, be sure you have vit K2 going in as well -- approx 100 mcg of vit K2 for every 1000 iu of D3 is appropriate. ...Read more
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