Doctor insights on:
Is Vitamin B12 And Iron The Same
What's the difference between vitamin B12 and vitamin b stress formula? Assuming there is B12 in the formula
The MCV is the clue: When you get a CBC blood test, there is something called the mcv. This is the red blood cell size. If the cell size or MCV is low, this implies that something is missing in the red blood cell. Since hemoglobin in the rbcs is composed of iron bound to a protein (globulin), it is either iron (common) or globulin & the cell will be small. Low B12 will cause the MCV to be high- poor maturation. ...Read more
Can D2 and D3 be taken at the same time? Also, does Vitamin D affect the absorption of other vitamins and supplements?
I don't really know: why you would be taking both of them. Vitamin D2 is made by plants; vitamin D3 is made by human skin when exposed to sunlight.Foods may be fortified with either. I would pick one or the other (most supplement with D3) as they metabolize to the same form in the body. There is some affect of vitamin D on blood sugar as well as on liver metabolism/cytochrome P450 enzyme system.Review with pharmacist ...Read more
As : As a general rule of thumb, it is better to take vitamins with a meal. This allows for better absorption. However this is not an absolute. In addition, remember to check with your doctor before taking any vitamins, minerals, or supplements in order to ensure that it won't interfere with any possible medications you are taking. ...Read more
It depends...: This depends on the cause of the deficiency. If it's due to a lack of B12 in your diet (b12 is primarily found in animal-derived foods) then taking a multivit. With B12 will help. However, many cases of B12 deficiency are caused by difficulty absorbing it, a condition called pernicious anemia. In that case, oral B12 won't help & you need injections &/or sublingual b12, ideally as methylcobalamin. ...Read more
What is the pathway and role of vitamin B12 in metabolism/catabolism of phenylalanine and tyrosine? Thank you.
B12 / Magnesium: With B12 it is the route that matters. Most people who are low need to bypass the GI track and take it in intramuscular form or under the tongue. The magnesium depends on the preparation and bio availability. It often has to be split into twice a day doses. Discuss this with the prescribing doctor. You should closely monitor blood levels. With Magnesium and B12 you don't want to guess at things. ...Read more
Good question: B12 is typically given under the tongue (pill or liquid) or by shot. Although there is some B12 in b complex pills chances our its not enough or can't be properly absorbed by the last 5 inches of your small intestine. (B12 absorbtion requires first binding to intrinsic factor made in the stomach ) either the stomach is dammaged or the small intestine has a problems. B complex varies in content. ...Read more
The amount!: If you can absorb b12, the mdr is 5 mcg. If you cannot, the rexcommeded dose is 2500 mcg, which is 2.5 mg. Yet this small amount is 466 x the mdr! ...Read more
Please what's the difference between pernicious anemia and vitamin B12 deficiency.my iron levels are perfect.I'm getting injections for vitamin b12.
Intrinsic factor: Vitamin B12 is present in meat and animal protein foods. Absorption of B12 occurs in the intestine (ileum) and requires intrinsic factor (IF), made by stomach cells. In pernicious anemia, IF production is deficient, and results in anemia, a reduction in hemoglobin/hematocrit. One can be vitamin B12 deficient without becoming anemic and/or without having deficient IF. Best wishes:) ...Read more
It does not matter: It matters little when you take each of them. ...Read more
Brewer's Yeast: Brewer's yeast contains b-complex vitamins including: b1 (thiamine), b2 (riboflavin), b3 (niacin), b5 (pantothenic acid), b6 (pyridoxine), B9 (folic acid), and h or b7 (biotin). http://tinyurl.com/kfvkmn5 it does not contain B12 (cobolamin), which is essential for metabolism, neurological function, and blood formation. Most "b complex" supplements do contain B12 along with the rest. ...Read moreSee 2 more doctor answers
Very slow: Vitamin d is really a hormone because it is made in skin from the action of sunlight, the main source of our vifamin d. It is absorbed poorly when taken in the form of d3 but is essential for most people in the northern or southern hemisphere because of our limited sun edposure and the use of sun screens when we are exposed to the sun. ...Read more
Is it safe to take 100mcg of vit B12 and 400 mcg of folic acid daily? My doc said i'm deficient. What would cause a deficiency in these?
Several causes: Vegans are vulnerable to deficiencies in these vitamins because they eat no animal source foods. These deficiencies may show up in alcoholism too. Also, elderly people and those with genetic polymorphisms can absorb these vitamins poorly. Eating foods rich in B12 & folate (folic acid) (such as legumes & leafy greens) can help. Taking vit B12 and Folic Acid as your doctor suggests, is safe. ...Read more
My daily prenatal vitamins have 800mcg of folic acid and 8mcg of b12. Is that sufficient? It's the equaline brand.
Should be but...: 800 mcg of Folic Acid should be fine, though if you are among the 1/3 of people that have trouble converting Folic Acid to the active form, l-5-mthf, you might consider supplementing with 1 mg of l-5-mthf (only a blood tests tells for sure). The rda of B12 is only 2.6 mcg so 8 mcg should be ok, though if you are vegan you could take higher amounts to be safe. For most, what you are on is fine. ...Read more
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