Vitamin B9 is the 2nd last member of Vitamin B family and water soluble. Most commonly it is known as folic acid and folate.

It is also known as folate and folic acid. When we say folate it represents its naturally occurring form.  In the same way when someone says folic acid it represent its synthetic form. Folate is present in natural available food items while folic acid is added into fortified foods and dietary supplements.

Vitamin B9b is vital for physical and mental health. This is important vitamin which is essential for DNA synthesis, red blood cell formation and fetal development.

During early pregnancy Vitamin B9 is vital for the proper development of the fetus. If fetus doesn’t have sufficient supply of folic acid then he may develop birth defects.

Functions of the Vitamin B9

This is vital vitamin which is needed for proper development f the body. It performs following function inside the body.

Functions of vitamin B9. Folate or Folic acid

Function in the DNA and RNA Synthesis

It acts as co enzyme in reactions that involves the synthesis of the DNA and RNA. Basically this vitamin is involved in the synthesis of amino acids which is in turn use for DNA and RNA synthesis.

It is essential when the cell is undergoing rapid division. That is why it is recommended during pregnancy as fetus is going through rapid cell division.

It is also needed when body is going through any healing process as this is also period of rapid cell division. It is also needed during infancy and adolescence.

Function in Red Blood Cells Formation

Folate is also involved in the production of healthy red blood cells, during this process it acts alongside of vitamin B12. When body doesn’t have sufficient supply of vitamin B9 then red blood cells gets deformed. They become enlarged and immature which lead to the megaloblastic anemia.

Prevents Birth Defects

Women need of Folic acid During first trimester of pregnancy

Vitamin B9 is vital for the growth of fetus during 1st trimester of pregnancy. Sufficient supply of folic acid it prevents neural tube defects. (NTDs). It is also needed by the fetus to gain weight. It prevents preterm birth when sufficiently available for the pregnant women.

It also supports the conceiving in women. If a woman wants to get pregnant then she should start to take folic acid daily at least one month before.

Vitamin B9 Supports Brain and Emotion Health

Vitamin B9 greatly influences your brain as well as your emotional health. It is involve in the production of neurotransmitters like dopamine and serotonin and norepinephrine. These neurotransmitters are involved in the regulation of mood, sleep and cognition.

When a person has low level of vitamin B9 or Folate he may suufer from

  • Depression
  • Cognitive decline
  • Irritability
  • Memory issues

Vitamin B9 Protects Heart

Another important function of B9in your body is to convert homocysteine into methionine. This is type of amino acid that builds protein inside body. In case your body had high level of homocysteine then there is high chance of heart disease, strokes, and blood clots. So we say that folate protects cardiovascular health.

Natural Sources of Vitamin B9

Food sources of vitamin B9( foic acid or folate)

As we know that Vitamin B9 is present in many food items naturally. If you want to maintain the level of this vitamin then you can incorporate these items into your diet.

Here is the top folate rich foods with their approximate B9 content.

FoodPer serving (mg)
Beef liver, braised, 3 ounces215
Spinach, boiled, ½ cup131
Black-eyed peas (cowpeas), boiled, ½ cup105
Breakfast cereals, fortified with 25% of the DV†100
Rice, white, medium grain, cooked, ½ cup†90
Asparagus, boiled, 4 spears89
Brussels sprouts, frozen, boiled, ½ cup78
Spaghetti, cooked, enriched, ½ cup†74
Lettuce, romaine, shredded, 1 cup64
Avocado, raw, sliced, ½ cup59
Spinach, raw, 1 cup58
Broccoli, chopped, frozen, cooked, ½ cup52
Mustard greens, chopped, frozen, boiled, ½ cup52
Bread, white, 1 slice†50
Green peas, frozen, boiled, ½ cup47
Kidney beans, canned, ½ cup46
Wheat germ, 2 tablespoons40
Tomato juice, canned, ¾ cup36
Crab, Dungeness, 3 ounces36
Orange juice, ¾ cup35
Turnip greens, frozen, boiled, ½ cup32
Peanuts, dry roasted, 1 ounce27
Orange, fresh, 1 small29
Papaya, raw, cubed, ½ cup27
Banana, 1 medium24
Yeast, baker’s, ¼ teaspoon23
Egg, whole, hard boiled, 1 large22
Cantaloupe, raw, cubed, ½ cup17
Vegetarian baked beans, canned, ½ cup15
Fish, halibut, cooked, 3 ounces12
Milk, 1% fat, 1 cup12
Ground beef, 85% lean, cooked, 3 ounces7
Chicken breast, roasted, 3 ounces3

Daily Requirements of Folic Acid

daily need of folic acid for women

According to NIH following is the recommended dose for different age groups.

AgeMaleFemale
Birth to 6 months65 mcg65 mcg
7–12 months80 mcg80 mcg
1–3 years150 mcg150 mcg
4–8 years200 mcg200 mcg
9–13 years300 mcg300 mcg
14–18 years400 mcg400 mcg
19+ years400 mcg400 mcg
Pregnant women600 mcg
Lactating women500 mcg

Do You Need Folate or Folic Acid Supplement?

Here is list of people who are at need of taking folic acid supplements.

  • If you are pregnant or want to conceive
  • If you have malabsorption condition
  • When you had gastric bypass or bowel surgery
  • If you are taking methotrexate
  • You consume excess alcohol
  • Your age is more than 50 years

Before taking any supplement consult your doctor first. It is recommended to take folic acid on empty stomach as it enhances its absorption. If you will take excessive folic acid it can mask vitamin B12 deficiency.

FAQs

What’s the difference between folate and folic acid?

When we say folate it represents its naturally occurring form.  In the same way when someone says folic acid it represent its synthetic form. Folate is present in natural available food items while folic acid is added into fortified foods and dietary supplements.

Yes, if are eating balanced diet then you don’t need to take supplements. But if you are pregnant or want to conceive then you can take if your doctor advised you.

 

  • Poor diet
  • Alcoholism
  • Malabsorption issues
  • Certain medications
  • Increased demand (pregnancy, illness)

Yes, it is been found by researchers that low level of folic acid is associated with depression and poor mood regulation. You may be advised for folic acid intake by your therapist.

Yes, if you take excessive folic acid it can mask the deficiency of vitamin B12. It can lead to nerve damage. The safe upper limit is 1000mcg/day for adults.

References
  1. https://www.mayoclinic.org/drugs-supplements-folate/art-20364625
  2. https://ods.od.nih.gov/factsheets/Folate-HealthProfessional/
  3. Federal Register. Food Standards: Amendment of Standards of Identity For Enriched Grain Products to Require Addition of Folic Acid. Final rule, 5 March 1996. Food and Drug Administration: Washington, DC,
  4. https://nutritionsource.hsph.harvard.edu/folic-acid/

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