Folate, also known as vitamin B9, is an essential nutrient that plays a vital role in many biological processes. Unlike folic acid, the synthetic form found in fortified foods and supplements, folate is naturally occurring and found in whole foods. For individuals following a Paleo diet and those with MTHFR gene variations, obtaining folate from natural sources is the best approach to ensuring optimal health.

What Is Folate and Why Is It Important?

Folate is crucial for DNA synthesis, cell division, and red blood cell production. It is particularly important for fetal development, making it an essential nutrient for pregnant women. Folate also supports cardiovascular health by reducing homocysteine levels, which, when elevated, can increase the risk of heart disease. Additionally, folate plays a role in neurotransmitter production, supporting brain function and mood regulation.

The Best Food Sources of Folate

A Paleo diet, which emphasizes nutrient-dense, whole foods, provides excellent sources of bioavailable folate. When you eat the whole food, folate is best absorbed into the cell. The best sources of folate include:

1. Organ Meats

Organ meats are some of the most nutrient-dense foods available, and they provide high amounts of natural folate:

• Beef liver – One of the richest sources of folate, beef liver provides approximately 200-250 mcg per 3-ounce serving.
• Chicken liver – Another excellent source, chicken liver contains around 500 mcg per 3-ounce serving, covering more than 100% of the daily recommended intake.

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2. Seafood

Certain types of seafood also provide a good amount of folate along with other essential nutrients:

• Salmon – Wild-caught salmon contains moderate levels of folate and is also rich in omega-3 fatty acids for cardiovascular health.
• Shellfish (crab, shrimp, oysters, mussels) – These seafood options are not only high in folate but also provide zinc, iodine, and B12, all essential for metabolic function.

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3. Eggs

Eggs, particularly from pasture-raised chickens, provide folate alongside choline, which is crucial for brain development and liver function. One large egg contains about 25 mcg of folate.

4. Green Leafy Vegetables

Leafy greens are a well-known source of folate and other essential micronutrients:

• Spinach – One of the highest plant-based sources, spinach provides around 60-80 mcg per cup.
• Kale – A powerhouse of folate, kale delivers about 20-25 mcg per cup.
• Romaine lettuce – A simple yet effective source, with approximately 60 mcg per cup.

These vegetables not only supply folate but also contain fiber and phytonutrients that support overall health.

Why This Approach Is Best for People with MTHFR Variants

The MTHFR (methylenetetrahydrofolate reductase) gene is responsible for converting folate into its active form, 5-methyltetrahydrofolate (5-MTHF). Many people have genetic variations (mutations) in the MTHFR gene that reduce their ability to convert synthetic folic acid into a usable form, leading to potential deficiencies.

By focusing on natural food sources of folate, those with MTHFR variations can bypass the need for enzymatic conversion and obtain folate in its most bioavailable form. This approach prevents the buildup of unmetabolized folic acid in the bloodstream, which can interfere with cellular function and health.

Conclusion

Folate is an essential nutrient for DNA synthesis, brain function, cardiovascular health, and fetal development. The best way to obtain folate is through whole foods found in the Paleo diet, such as organ meats, seafood, eggs, and leafy greens. This approach is especially beneficial for individuals with MTHFR gene variations, as it ensures they receive folate in a form their bodies can readily use. By prioritizing these natural sources, you can support optimal health and avoid the potential downsides of synthetic folic acid.

For those seeking a nutrient-dense, whole-food-based lifestyle, focusing on ancestral nutrition is the key to thriving.