It says 1700 mcf DFE of folate, but how of that is actual folic acid equivalent?

Hello, We apologize for any confusion. At the end of August of 2020, we updated our Optimized Folate supplement facts section. The amount of folate was updated from 1,000 mcg to 1,700 mcg based on updated FDA labeling guidelines. This change is a result of what the FDA has defined as dietary folate equivalents (DFE). They determined that 0.6 mcg of (6S)-5-methyltetrahydrofolate, calcium salt is equal to 1 mcg DFE. They have also determined that one mcg of naturally occurring folate is equal to one mcg DFE. Their rationale is that this accounts for the greater bioavailability (6S)-5-methyltetrahydrofolate, calcium salt compared to naturally occurring folate. The change to 1,700 mcg in this product allows us to deliver the desired potency in terms of DFE.

What is the expiration date?

The expiration date on mine is 7/20/2023, but I bought it over 3 months ago. I have no idea what the expiration date will be on the bottle you’re buying.

Metafolin is a trademarked name for the active form of folate, known as methylfolate. While Optimized Folate doesn't utilize this specific brand, it does include L-Methylfolate.

Is any component of your usa manufactured product sourced from china or india?

It's been a very long time since I purchased this product. I no longer have the container and have consumed all of the product. That said, I have since switched to Folic Acid 800 mcg made in Austin Texas and available on Amazon.

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Life Extension Optimized Folate (L-Methylfolate) – Supports Heart & Brain Health – Non-GMO, Gluten-Free, Vegetarian –1700 mcg DFE — 100 Vegetarian Tablets

Product ID: 258199059

Details

Brand
Life Extension
Diet type
Gluten Free
Flavour
Unflavored
Item form
Tablet
Primary supplement type
Folate as salt

💊1700 mcg bioactive 5-MTHF

🧠Supports cognitive & neurotransmitter health

❤️Maintains healthy homocysteine for heart

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Description

💡 Elevate your heart and mind with the folate upgrade you can’t afford to miss!

SCIENCE BACKED EFFICACY - Formulated with dosages inspired by rigorous clinical research for max absorption
TRUSTED LONGEVITY BRAND - 40+ years of innovation delivering premium supplements for a healthier life
CLEAN CONSCIOUS FORMULA - Non-GMO, gluten-free, vegetarian tablets crafted in the USA
DUAL BRAIN HEART SUPPORT - Clinically linked to maintaining cognitive function and cardiovascular health
BIOACTIVE FOLATE POWERHOUSE - 1700 mcg of 5-MTHF, up to 7x more bioavailable than folic acid

Life Extension Optimized Folate delivers 1700 mcg of metabolically active L-Methylfolate (5-MTHF) per vegetarian tablet, supporting healthy homocysteine levels crucial for cardiovascular and cognitive health. This non-GMO, gluten-free formula offers superior bioavailability compared to standard folic acid, ensuring effective nutrient absorption. Manufactured in the USA with premium ingredients, it’s designed for adults seeking scientifically validated brain and heart support.

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EC$185

Duties & taxes included

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Sold byAmazon Antigua and BarbudaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Antigua and Barbuda.

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Asin	B00UD0IPYU
Is Discontinued By Manufacturer	No
Item Model Number	01939
Manufacturer	Life Extension
Product Dimensions	5.31 x 5.31 x 9.47 cm; 49.9 g

Life Extension Optimized Folate (L-Methylfolate) – Supports Heart & Brain Health – Non-GMO, Gluten-Free, Vegetarian –1700 mcg DFE — 100 Vegetarian Tablets

Details

Details

Description

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Common Questions