Forums: September 2011 Kickstart Forum: B12 continued
Created on: 09/09/11 10:00 AM Views: 569 Replies: 2
Mariberry Joined: 01/02/10 Posts: 297	B12 continued Posted Friday, September 9, 2011 at 10:00 AM Hi all - and especially Type 2 types Just found this information and thought I'd share (was googling "sublingual" as well as the correct dosage and came across it - bolding is mine) Cautions and Considerations Vitamin B12 is considered safe and is generally not toxic; however, because it can interfere with certain medications, consult with your treating physician before taking a supplement to address your nutritional concerns. Vitamin B12 shouldn't be taken without a doctor's okay if you take metformin, tetracycline, anticonsulvants, chemotherapy drugs or medications to lower cholesterol, reduce stomach acid, treat gout. Additionally, the UMMC indicates that if you take any supplement in the B vitamin family for a long duration, this can disrupt the balance of other B vitamins in your body. Sigh. Looks like I have to see the doc before I head to the health food store... All we are saying is "Give Peas a Chance"
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Bugsmom Joined: 09/13/10 Posts: 2069	RE: B12 continued Posted Saturday, September 10, 2011 at 9:22 AM Mariberry wrote: Hi all - and especially Type 2 types Just found this information and thought I'd share (was googling "sublingual" as well as the correct dosage and came across it - bolding is mine) Cautions and Considerations Vitamin B12 is considered safe and is generally not toxic; however, because it can interfere with certain medications, consult with your treating physician before taking a supplement to address your nutritional concerns. Vitamin B12 shouldn't be taken without a doctor's okay if you take metformin, tetracycline, anticonsulvants, chemotherapy drugs or medications to lower cholesterol, reduce stomach acid, treat gout. Additionally, the UMMC indicates that if you take any supplement in the B vitamin family for a long duration, this can disrupt the balance of other B vitamins in your body. Sigh. Looks like I have to see the doc before I head to the health food store... The main thing I see here is that taking B12 alone (without other B vitamins and such - the whole "B complex" as they say) can be problematic. But then again, taking ANY nutrient alone out of proportion to everything else can be problematic. To ponder: would anyone on metformin (or the other things mentioned) think to stop and ask their doctor if they decided to increase their red meat intake? That's a major source of B12 for most non-veg folks. So, they would, in essence, be increasing their B12 intake. I think most people would call you a bit batty if you suggested that. Why not? Probably because it also is a BALANCE of nutrients - other B vitamins, other complementary nutrients (whatever they might specifically be). Taking an individual nutrient out of context as it were opens it up to upsetting the applecart. The only thing I consulted with my dr about was calcium - calcium supplements can interfere with my thyroid med and that is not something I want to muck with now that it's sorted to a good level. We came up with a multi pronged approach: (1) - I take a multivitamin, not a calcium supplement, that contains 50% of the RDA of calcium. That's just enough to even things out for days that I have less calcium without being too overly much on days that I get lots of calcium (2) we slightly increased the medication dose and checked on it to see how it was working (3) I take the vitamin opposite from the med - that is I take one in the a.m. and one in the p.m. so that it's not together. --Deb R
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Mariberry Joined: 01/02/10 Posts: 297	RE: B12 continued Posted Saturday, September 10, 2011 at 11:36 AM Bugsmom wrote: To ponder: would anyone on metformin (or the other things mentioned) think to stop and ask their doctor if they decided to increase their red meat intake? That's a major source of B12 for most non-veg folks. So, they would, in essence, be increasing their B12 intake. I think most people would call you a bit batty if you suggested that. Why not? Probably because it also is a BALANCE of nutrients - other B vitamins, other complementary nutrients (whatever they might specifically be). Taking an individual nutrient out of context as it were opens it up to upsetting the applecart. --Deb R Here's the problem as I see it. As non-meat eaters, we're concerned with getting enough vitamin B12. Some get it from nutritional yeast and other sources, others may head for the vitamin store to buy a bottle of....vitamin B12 -just that one single vitamin, not a complex of the Bs, not a multi - just B12. Does the clerk think to ask if you're taking other meds? Not likely. Does the consumer think they need to ask their doctor before taking a vitamin like B12? Nope. Did my doctor, who prescribed both metformin and a cholesterol-lowering drug, think to advise me about taking extra Vitamin B12? Nope. If taking additional B12 can upset the applecart, then why is it sold on its own?? Is there really an issue with taking vit B12 over an extended period of time? Maybe this is really a non-issue. We can't believe everything we read on the internet, that's for sure. But it got me to thinking. I don't think it's my doctor I need to see about this because as much as I respect him, I don't always trust his knowledge of nutrition and supplements My multivitamin has 25 mcg of B12. The daily recommended amount is much less, so how much of that amount do I actually absorb? All we are saying is "Give Peas a Chance"
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