Nasocobal

(cyanocobalamin)

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Boosts vitamin B12 levels and treats anemia.

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Our bottom line

Nasocobal (cyanocobalamin) is the only way to treat vitamin B12 deficiency and is available over the counter.

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    $27.51
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    $8.35
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Quick facts about cyanocobalamin
  • Drug class: Hematopoietic
  • Rx status: Over-the-counter
  • Generic status: Lower-cost generic available (cyanocobalamin)

Upsides

  • There are different forms of Nasocobal (cyanocobalamin) available other than a pill that you can inject or spray into your nose if your stomach's not able to absorb nutrients.
  • The Nasocobal (cyanocobalamin) pills are available over the counter.
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What to expect from cyanocobalamin, on one page

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Downsides

  • Only treats anemia due to vitamin B12 deficiency.
  • The nasal form of Nasocobal (cyanocobalamin) can't be used to treat acute B12 deficiency.
  • The injectable form of Nasocobal (cyanocobalamin) requires a prescription from your doctor.
  • If you have pernicious anemia, you'll need injections of Nasocobal (cyanocobalamin) long-term.
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What to expect from cyanocobalamin, on one page

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How it works

Nasocobal (cyanocobalamin) is also known as vitamin B12. It is an important vitamin that breaks down fat and carbohydrates for energy, and helps make proteins and cells.

Quick facts about cyanocobalamin
  • Drug class: Hematopoietic
  • Rx status: Over-the-counter
  • Generic status: Lower-cost generic available (cyanocobalamin)

Used for

  • Pernicious anemia
  • Vitamin B12 deficiency
  • B12 deficiency anemia

Dosage forms

  • Pill
  • Injection
  • Nasal spray
  • Liquid
  • Soft chew
  • Lozenge
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Prices and coupons

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What to expect when you take Nasocobal (cyanocobalamin) for Vitamin B12 deficiency

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  • First few hoursHours
    First few daysDays
    First few weeksWeeks
    First few monthsMonths
  • Effectiveness
  • Starts to kick in
    Full effects
  • First few hoursHours
    First few daysDays
    First few weeksWeeks
    First few monthsMonths
  • Possible side effects
  • Runny nose
  • Lack of energy
  • Headache
  • Infection
  • Dizziness
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Side effect rates for Nasocobal (cyanocobalamin)

From 25 clinical trials of cyanocobalamin when taken for vitamin b12 deficiency in pernicious anemia patients (100mcg vitamin b12 intramuscular)
  • Lack of energy
    16%16%
  • Headache
    12%12%
  • Infection
    12%12%
  • Dizziness
    12%12%
  • Generalized pain
    8%8%
  • Joint pain
    8%8%
  • Runny nose
    8%8%
  • Back pain
    4%4%
  • Peripheral vascular disorder
    4%4%
  • Indigestion
    4%4%
  • Nausea
    4%4%
  • Nausea & Vomitting
    4%4%
  • Vomiting
    4%4%
  • Muscle pain
    4%4%
  • Abnormal gait
    4%4%
  • Anxiety
    4%4%
  • Loss of sensation
    4%4%
  • Incoordination
    4%4%
  • Nervousness
    4%4%
  • Numbness
    4%4%
  • Shortness of breath
    4%4%
0%
10%
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30%
40%
50%
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70%
80%
Where we got our data »

The placebo bar shows how common a side effect was for people taking a sugar pill instead of cyanocobalamin.

Nasocobal (cyanocobalamin)
Placebo

People taking cyanocobalamin felt side effect more

People taking cyanocobalamin felt side effect less

No difference

Risks and Warnings for Nasocobal (cyanocobalamin)

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    • Higher risk if:
    • › Leber's disease

    People who have a very rare disease of the eye nerves called Leber's disease can have severe eye damage if they take Nasocobal (cyanocobalamin). Talk to your doctor if you have questions.

Common concerns from people taking Nasocobal (cyanocobalamin)

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Food
  • Take the pill with meals to increase the absorption of Nasocobal (cyanocobalamin).