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    [mcg] B12 in Dunaliella salina (algae)

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4711437/

    "Algae could be an alternative source of vitamin B12 and in this study, vitamin B12 from a halotolerant green alga, Dunaliella salina V-101...
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    Re: B12 overdose / megadose?

    High plasmatic concentration of vitamin B12: an indicator of hepatic diseases or tumors
    http://www.ncbi.nlm.nih.gov/pubmed/23142127

    PMID: 23142127
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    Re: B12 overdose / megadose?

    Thus study, published in 2002, discusses the associations between high B12 levels and renal failure, elevated serum creatinine and diminished albumin.

    ...
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    Re: B12 overdose / megadose?

    In this article, it is stated that "A number of diagnoses were significantly associated to very high Cbl levels (odds ratio (95% confidence interval)): alcoholism (5.74 (2.76-11.96)), liver disease...
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    Re: B12 overdose / megadose?

    "Although the pathologies associated with vitamin B12 deficiency are well known, hypervitaminemic B12 status is often fortuitous and frequent finding."
    http://www.ncbi.nlm.nih.gov/pubmed/23185929
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    Re: B12 overdose / megadose?

    A returning topic in articles about associations between high B12 levels and disease is the fact that it's not an obvious relationship between cause and effect. Liver diseases, may for instance,...
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    Re: B12 overdose / megadose?

    "an abnormally high serum cobalamin level forms a warning sign requiring exclusion of a number of serious underlying pathologies. "

    http://www.ncbi.nlm.nih.gov/pubmed/23447660



    PMID:23447660
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    Re: B12 overdose / megadose?

    "In this review, we summarise known associations between high plasma cobalamin and diseases. We report associations mainly with cancer, liver and kidney diseases, but also with a number of other...
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    Re: High B12 levels and increased cancer risk

    About fathers' B12 intake before conception: "high B12 intake was associated with an increased risk of CBT" (childhood brain tumors - in the offspring).

    http://www.ncbi.nlm.nih.gov/pubmed/25625505...
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    Re: High B12 levels and increased cancer risk

    "Treatment with folic acid plus vitamin B(12) was associated with increased cancer outcomes and all-cause mortality in patients with ischemic heart disease in Norway, where there is no folic acid...
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    Re: High B12 levels and increased cancer risk

    "Elevated concentrations of vitamin B(12) may be associated with an increased risk for advanced stage prostate cancer, but this association requires examination in other large prospective studies."
    ...
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    Re: High B12 levels and increased cancer risk

    Paternal intake of B12 before conception: Higher levels of paternal dietary vitamin B12 appeared to be associated with an increased risk of childhood ALL" (acute lymphoblastic leukemia).
    ...
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    Re: High B12 levels and increased cancer risk

    http://www.ncbi.nlm.nih.gov/pubmed/6673052?dopt=Abstract
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    Re: High B12 levels and increased cancer risk

    "high serum vitamin B12 level, with or without unsaturated TC I elevation, usually implies a poor prognosis in a patient with cancer."
    http://www.ncbi.nlm.nih.gov/pubmed/902243?dopt=Abstract ...
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    Re: High B12 levels and increased cancer risk

    "Vitamin B12 and (in cohort studies) folate were associated with increased prostate cancer risk"
    ...
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    Re: High B12 levels and increased cancer risk

    "Very high cobalamin blood levels are significantly associated to malignant hemopathies among the population of a department of internal medicine. "

    http://europepmc.org/abstract/med/17981373

    ...
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    Re: High B12 levels and increased cancer risk

    http://www.ncbi.nlm.nih.gov/pubmed/23029349?dopt=Abstract
    [PMID:23029349]
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    Re: High B12 levels and increased cancer risk

    Here's yet another study suggesting a link between cancer and high B12 levels. There's an ongoing discussion about cause and effect here, some people suggest that the high B12 levels in (some of?)...
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    Re: B12 overdose / megadose?

    From: http://www.ncbi.nlm.nih.gov/pubmed/25103858 [PMID:2510385]
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    Re: High B12 levels and increased cancer risk

    Here's another one: http://ebm.sagepub.com/content/71/2/226.abstract, referred to here

    " supplementary vitamin B12 caused increased growth of theRous sarcoma in chicks....
  21. Sticky: Re: Nutrient deficiencies more common in meat eaters than in vegans?

    ...and while folate fortification is mandatory in eg USA; here's a study which suggest that synthetic folate from fortified foods is associate with an increased breast cancer risk: ...
  22. Sticky: Re: Nutrient deficiencies more common in meat eaters than in vegans?

    Meat eaters often have low folate levels, vegans often have low B12 levels. Here's a study which suggests that the low folate levels is associated with increased risk of esophageal squamous cell...
  23. Re: 20-30 types of cancer and animal products (eggs, fish, milk, meat)

    Here's a study which concludes that "Our study suggests that eating a diet high in total protein and certain unsaturated FAs is associated with decreased risk of developing pancreaticcancer in a...
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    Re: High B12 levels and increased cancer risk

    http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2071282/
    The above study from 1963 shows that a discussion about associations between high B12 intake and health problems (in this case, cancer) has been...
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    Sticky: [mcg] Re: B12 from (plant) fermentation

    http://www.ncbi.nlm.nih.gov/pubmed/11020912

    Cyanocobalamin absorption abnormality in alcoholics is improved by oral supplementation with a fermented papaya-derived antioxidant.
    PMID: 11020912
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    Sticky: [mcg] "....fermented tomato pomace (dried) with 50-55...

    "....fermented tomato pomace (dried) with 50-55 mg kg(-1) or more of B12 could prove a useful feedstuff for animals".


    http://www.ncbi.nlm.nih.gov/pubmed/11341680
    Utilisation of tomato pomace as...
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    Sticky: [mcg] "....fermented tomato pomace (dried) with 50-55...

    "....fermented tomato pomace (dried) with 50-55 mg kg(-1) or more of B12 could prove a useful feedstuff for animals".
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    Sticky: [mcg] Re: B12 from (plant) fermentation

    http://www.ncbi.nlm.nih.gov/pubmed/11935176:

    [PMID: 11935176]
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    Sticky: [mcg] Re: B12 from (plant) fermentation

    http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2394963/ :
    High-Level Folate Production in Fermented Foods by the B12 ProducerLactobacillus reuteri...
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    Sticky: [mcg] Re: B12 from (plant) fermentation

    [PMID: 25114554]
    Plant-based Paste Fermented by Lactic Acid Bacteria and Yeast: Functional Analysis and Possibility of Application to Functional Foods

    ...
  31. "active vitamin B12 was produced by P. freudenreichii in cereal malt matrices"

    [PMID: 25053103 ]
    Ultra-high performance liquid chromatographic and mass spectrometric analysis of active vitamin B12 in cells of Propionibacterium and fermented cereal matrices
    Link:...
  32. Sticky: [mcg] http://www.ncbi.nlm.nih.gov/pubmed/20607069 ...

    http://www.ncbi.nlm.nih.gov/pubmed/20607069

    Dietary source of vitamin B(12) intake and vitamin B(12) status in female elderly Koreans aged 85 and older living in rural area. [PMID:20607069]
  33. Sticky: [mcg] Discovery of novel sources of vitamin b(12) in traditional korean foods from nut

    http://www.ncbi.nlm.nih.gov/pubmed/21436999



    Commented here:
    http://jacknorrisrd.com/b12-in-fermented-foods-korean-centenarians/
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    Re: Fish: health benefits?

    From http://www.pcrm.org/health/reports/american-seafood-somethings-fishy:

    Notice anything fishy lately? With many Americans giving up some forms of meat during the 40-day period of Lent, fast...
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    Sticky: Re: Health arguments against dairy products

    Here are a some articles bringing up some pros and 'cons', from a health perspective, about milk consumption. As always, I don't necessarily agree in everything the articles I post links to claim,...
  36. Thread: Vegan, Norway

    by Korn
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    Re: Vegan, Norway

    There's a new app called "Vegan Oslo" now, at least for iOs.
    If you can read Norwegian, check out this link:
    http://www.osloby.no/nyheter/Na-blir-det-lettere-a-spise-vegansk-i-Oslo-7870603.html
    ...
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    "Vitamin B12: The Achilles' Heel of Vegan Diets"

    http://plantonlyman.blogspot.no/2013/07/vitamin-b12-achilles-heel-of-vegan-diets.html
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    Re: B12 overdose / megadose?

    Here are a couple of links from Nov 18 last year:
    http://www.medicaldaily.com/high-levels-vitamin-b12-may-be-linked-increased-cancer-risk-263123
    ...
  39. Re: 20-30 types of cancer and animal products (eggs, fish, milk, meat)

    'Stop Feeding your Cancer' - Dublin doctor shows patients how to beat cancerI don't like headlines like this, because they appear to present something which will serve as a miracle cure....
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    Sticky: Re: Health arguments against dairy products

    Does Milk Actually Build Strong Bones? Sugar Content May Lead To Greater Fracture Risks
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