Life Extension Optimized Folate L-Methylfolate 1700 mcg DFE Review

Life Extension's Optimized Folate L-Methylfolate 1700 mcg DFE is a meticulously formulated dietary supplement designed to bolster both cardiovascular and cognitive health. This advanced formula delivers 1,700 mcg of folate in the highly bioavailable form of 5-MTHF, which is the metabolically active form of folic acid. A primary function of this B vitamin is to assist in maintaining already healthy levels of homocysteine, a metabolic byproduct that serves as a crucial biomarker for overall cardiovascular and cognitive well-being. By helping to inhibit excess homocysteine, Optimized Folate actively supports the healthy functioning of the heart and brain. The importance of folate, particularly 5-MTHF, is underscored by its role in preventing the accumulation of homocysteine, which, when elevated, has been linked to an increased risk of cognitive decline. This makes the supplement especially beneficial for aging individuals who are focused on preserving their cognitive faculties. The product adheres to high quality standards, being certified gluten-free, non-GMO, and suitable for vegetarians. Life Extension, with over four decades of experience, prides itself on delivering science-backed supplements, emphasizing product transparency and a strong commitment to customer health and wellness, reflected in a 98% customer recommendation rate. Each bottle contains 100 vegetarian tablets, with a convenient serving size of one tablet daily, ideally taken with food. While the recommended daily allowance (RDA) for folate for non-pregnant or lactating adults is 400 mcg, this formula provides a robust 1,700 mcg of 5-MTHF folate to ensure comprehensive support. For those seeking even higher doses, Life Extension offers a High Potency Optimized Folate formula. This supplement can be effectively integrated into a broader nutritional regimen, and can be combined with other B vitamins such as methylcobalamin (vitamin B12), pyridoxal 5’-phosphate or pyridoxine hydrochloride (vitamin B6), and/or riboflavin for enhanced synergistic effects. Consumers are advised to consult their healthcare provider if they are at risk of vitamin B12 deficiency, as high-dose folate may mask certain signs. It is important to note that these products are not intended to diagnose, treat, cure, or prevent any disease, and the statements made have not been evaluated by the Food and Drug Administration. The supplement is a key offering within Life Extension's health goal categories, including Anti-Aging & Longevity, Brain Health, and Heart Health, reflecting its broad spectrum of benefits.

Product Focus: Healthy AgingAlso graded for:MoodCirculationAlso covers:HeartImmune systemMetabolism
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$3
Study, Trial or Testing Result SummaryMembersHuman studies

This product gives a daily dose of folate in its active form, than the amount that has in studies. Folate does reliably reverse aging, but some trials show . …

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Review Totals and SummaryMembers6,737 reviews
6,737 reviews · IHerb 5,250 · Amazon 1,200 · Swanson Vitamins 113 · Life Extension 110 · Vitacost 26 · PureFormulas 24 · Walmart 13 · Life Extension Europe 1

Customers generally express with Life Extension Optimized Folate, frequently reporting in their mood, vitality, and overall . A recurring theme in the feedback is the appreciation for the product's -quality ingredients and its effective dosage, particularly highlighting the use of 5-MTHF, the metabolically active form of folate, which users believe offers absorption compared to conventional folic acid. …

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Biohacker SummaryMembersWhat our biohacker panel says

The common reason is homocysteine, with others citing mitochondrial function, brain , pregnancy, and DNA repair. Methylfolate, the active form the body can use without conversion, is the form of them prefer over synthetic folic acid, and some tie it to people with the MTHFR gene variant. …

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RAL SummaryMembersThe tier and why
More DetailsMembersBody systems · Combine with · Possible side effects

Body systems: Cardiovascular system, Immune system, Metabolic system. Combine with and possible side are for members.

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Supplement FactsFolate [as -5-Methyltetrahydrofolate, calcium salt] 1700 mcg DFE
Supplement Facts
Serving Size 1 Vegetarian Tablet
Servings Per Container 100
Amount Per Serving% Daily Value
Folate [as (6S)-5-Methyltetrahydrofolate, calcium salt]1,700 mcg DFE425%

Directions: Take one (1) tablet daily with food, or as recommended by a healthcare practitioner.

Barcode (UPC) 737870193913 · Label source: iHerb · Report a label change

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Graded October 23, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.