Folate vs. Folic Acid

These two are often used interchangeably and even many doctors will not be able to tell you the difference if you ask but they are very different.

The body needs this important nutrient, especially during pregnancy and folate is the natural form of this nutrient found in foods. You’ll often hear that folic acid is simply the supplemental form, but there are some key differences.

Recent research is supporting the fact that folic acid should be avoided and the natural form should be preferred.

What’s the Difference Between Folic Acid & Folate?

Folate is a general term for a group of water soluble b-vitamins, and is also known as B9.

Folic acid refers to the oxidized synthetic compound used in many dietary supplements and food fortification, whereas folate refers to the various tetrahydrofolate derivatives naturally found in food. (mainly leafy green vegetables such as spinach, endives, lettuce, kale etc…)

The natural form can enter the main folate metabolic cycle is tetrahydrofolate (THF). Unlike natural folates, which are metabolized to THF in the mucosa of the small intestine, folic acid undergoes initial reduction and methylation in the liver, where conversion to the THF form requires dihydrofolate reductase. The low activity of this enzyme in the human liver, combined with a high intake of folic acid, may result in unnatural levels of unmetabolized folic acid entering the systemic circulation.

Several studies have reported the presence of unmetabolized folic acid in the blood following the consumption of folic acid supplements or fortified foods. Human exposure to folic acid was non-existent until its chemical synthesis in 1943, and was introduced as a mandatory food fortification in 1998. Food fortification was deemed mandatory due to overwhelming evidence for the protective effect of folic acid supplementation before conception and during early pregnancy on the development of neural tube defects (NTD) in newborns.

Research is supporting the idea that too much synthetic folic acid can increase risk of some types of cancers and it may not even be as effective in preventing neural tube defects.

Folate (the natural form) has some very important functions in the body:

“It is necessary during rapid cell division and growth. In fact, pregnancy is known to actually double the need of dietary folates.

Deficiency has been reported to be the most common vitamin deficiency in the US, and is associated with such conditions as:

  • Anemia
  • Incidence and recurrence of Neural Tube Defects (serious birth defects of the spinal cord and the brain which arise during the early development of the embryo, most common being spina bifida)
  • Increased risk of certain cancers
  • Elevated Homocysteine, a risk factor for cardiovascular disease, stroke and many other health conditions

Causes of Folates Deficiency

  • Inadequate dietary intake
  • Increased requirement, as in pregnancy and lactation, growing child, athletes
  • Malabsorption
  • Altered hepatic (liver) metabolism
  • Increased elimination of folate”

How to Get Enough

Unfortunately, even high quality prenatal vitamins often contain folic acid instead of the natural folate-forms. There is now several options available on the market, ask you doctor about the supplement brands he recommends

Folate is found naturally in foods like liver and spinach. It is also possible to find a natural supplemental form that can be taken in place of folic acid.

Though the recommendation for pregnancy is 400-600mcg of folate/folic acid, this is the minimal amount needed to prevent birth defects. When using folate instead of folic acid (thus removing the added risks to mom with the synthetic form), it is often advisable to take more than the minimum. As always, check with a doctor or midwife before taking or changing anything, especially during pregnancy, but do your research on this one!

What Can you do:

Before and during pregnancy, 800-1200 mcg of folate is probably better . You can use Pure Encapsulations Folate (slightly higher quality) also Solgar Folate (less expensive) with good results. The one downside is that it isn’t as easily absorbed, so it is often necessary to take more and to get it from real food sources.

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