Prescription or OTCLower-cost generic availableClass: Musculoskeletal


(folic acid)

Prescription or OTCLower-cost generic availableClass: Musculoskeletal
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Helps you make blood cells.

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Our bottom line

Fa-8 (Folic Acid) is a good supplement to treat dietary or medication-induced folic acid deficiency. It's also proven to prevent major birth defects.

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Best available price for 30 (1mg) tablets of folic acid


  • Taking Fa-8 (Folic Acid) before and during pregnancy decreases the risk of neural tube defects. Doses are usually higher than the recommended RDA.
  • Many foods have added Fa-8 (Folic Acid) to help decrease the risk of neural tube defects.
  • Homocysteine, an amino acid that's affected by diet and genetics, may be a risk factor for heart disease. People who took Fa-8 (Folic Acid) had a significant reduction in homocysteine levels.
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  • Higher doses tend to cause more stomach upset, nausea, loss of appetite, bad taste in your mouth, confusion, irritability, and changes in how you sleep.
  • Fa-8 (Folic Acid) doesn’t work by itself if you have certain types of anemia. You may need a blood test to make sure you’re not lacking in other vitamins.
How it works

Fa-8 (Folic Acid) is a supplement also known as folate or Vitamin B9. Folic acid is essential for making red blood cells, so it's useful in certain types of anemia. It's also necessary for fertility in both men and women.

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Side effect rates for Fa-8 (folic acid)

Risks and Warnings for Fa-8 (folic acid)

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    • Higher risk if:
    • Sensitivity to Fa-8 (Folic Acid)

    It’s rare, but Fa-8 (Folic Acid) has been reported to cause hypersensitivity reactions. Allergies range from skin rash and itching to breathing difficulty and angioedema (life-threatening condition with swelling with or without hives). Call your doctor and get medical care right away.

Common concerns from people taking Fa-8 (folic acid)

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  • Fa-8 (Folic Acid) can interact with certain seizure/epilepsy medicines causing you to need a higher dose to control seizures or a change in your dose. Check with your doctor first before taking Fa-8 (Folic Acid) if you take medicine for seizure/epilepsy.
  • Many foods have added Fa-8 (Folic Acid) to help decrease the risk of neural tube defects.