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Doctor insights on: B12 Absorption With Colectomy

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Dr. Randy Baker
972 doctors shared insights

Vitamin B12 (Definition)

Vitamin B12 is a vitamin which is a kind of nutritional agent ...Read more


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Does sublingual B12 absorption work?

Does sublingual B12 absorption work?

B12 deficiency: Intranasal, sublingual, oral, and intramuscular are all effective means of increasing vitamin B12 levels. ...Read more

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If I am taking B12 "sublingually", then, would drinking a small cup of coffee disturb the B12 absorption?

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

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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?

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

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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?

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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Effect of acid secretion on absorption of iron and vitamin b12?

Effect of acid secretion on absorption of iron and vitamin b12?

Acid has a profound: Effect on iron. Acid is better. Not an issue with b12, as the issue is intrinsic factor from the stomach which is a cofactor in B12 absorption. ...Read more

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Is it better to swallow or chew vitamin B12 tablets to maximize absorption?

It does not matter: I would say that there is no reason to chew the tablet, but either way absorption should not be affected either way. ...Read more

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Any way to cure the intrinsic factor in the digestion system for the absorption of vitamin B12 complex?

Any way to cure the intrinsic factor in the digestion system for the absorption of vitamin B12 complex?

Yes and No: Most intrinsic factor deficiencies are due to either partial gastrectomy or auto-antibodies that attacked the parietal cells of the stomach. In both, the damage may already be done. However, you can get B12 in the body in a few ways. 1) take a higher dose of B12 starting at 2mg (literature supported), 2) take sublingual drops (salivary gland absorption), 3) get im injections of methyl b12. ...Read more

Dr. Raj Kapur
742 doctors shared insights

Colectomy (Definition)

It can mean removal of part or complete colon with ...Read more