Check B12 level

Enter your last vitamin B12 test results to see if you are deficient.

Value must in ng/L or pg/mL

Helpful tips

  • B12 supplementation impacts test results

    If you take any form of B12 supplement, even when it is part of a multivitamin, it will impact your test results. To get an accurate reading, wait 4 months after your last supplementation before testing.

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Some medications deplete B12

Common medications, like metformin for diabetes or proton pump inhibitors for acid reflux, can interfere with B12 absorption. If you’re on these long-term, a B12 check-up might be wise.

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Low B12 can masquerade as other issues

Symptoms like brain fog, tingling in the hands and feet, or even depression can often be due to low B12. A quick blood test can reveal if B12 is the culprit.

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Your gut health impacts B12 levels

Conditions like IBS, celiac disease, or Crohn’s can hinder B12 absorption. Healthy gut bacteria play a big role in maintaining good B12 levels, so understanding your gut health status and a good probiotic might help.

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You store B12 in your liver

Unlike many vitamins, your body can store B12 for several years in the liver. This means deficiency might take time to show up if your diet lacks it, but once it's depleted, it can be serious.

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Plant-based diets need extra attention

Vitamin B12 is mostly found in animal products. If you follow a vegan or vegetarian diet, look for fortified foods like plant-based milks, cereals, or take a supplement. Nutritional yeast is a favourite among vegans!

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Alcohol competes for liver resources

When you drink, the liver has to work harder to break down and remove alcohol. This process uses up liver resources and enzymes that are also needed to manage and release B12 effectively. So, regular drinking can interfere with the liver’s role in distributing this important vitamin.

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