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Folic Acid 800 mcg

Spring Valley
4.8
★ ★ ★ ★ ★
(1501 ratings)
Folate 800 mcg
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Score84
A very economical folic acid tablet supplies a high, clearly labeled amount. Synthetic form quality and the absence of B12 are the central trade-offs.
How scoring works
Quantity:400 Tablet(s) • (400 servings)
Goals:
General Health
Hair Health

Score 84

A very economical folic acid tablet supplies a high, clearly labeled amount. Synthetic form quality and the absence of B12 are the central trade-offs.
How scoring works
$4.88($0.01 per serving)
Walmart
$ 4.88
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Analysis

Each tablet provides 800 mcg of folic acid in a simple single-active formula. The amount is substantial, but folic acid must be converted before use and is less direct than active methylfolate.

A 400-tablet supply makes this an economical option for someone specifically directed to use folic acid. No vitamin B12 is included, which matters during ongoing higher-dose folate use.

The formula is easy to dose but not a universal daily choice merely because it is inexpensive. It best fits a defined folic acid need with periodic attention to B12 status and total fortified-food intake.

Who is it for
  • Adults with a specific reason to use 800 mcg of folic acid
  • Users who prioritize low cost and a single active
  • People who separately monitor vitamin B12
Best for
  • Targeted folic acid supplementation
  • Long-supply value
  • One-tablet dosing

Pros

  • Clearly states the folic acid amount
  • Keeps the active formula simple
  • Provides 400 servings
  • Offers excellent serving value

Cons

  • Uses folic acid rather than active folate
  • The amount is high for casual routine use
  • No vitamin B12 is included

Warnings

  • Long-term high folic acid can mask blood signs of vitamin B12 deficiency while nerve injury continues
  • Count fortified foods and other supplements when estimating total folic acid exposure
  • People taking methotrexate or other folate-antagonist therapy should use folic acid only under prescriber guidance

Nutrient quality

79 High impact

The focused single-nutrient formula contains no active padding. Synthetic folic acid is less biologically direct than methylfolate or folinic acid.

Ingredient transparency

87 Highest impact

The folic acid amount is stated clearly. The supplied data omit a complete inactive-ingredient list.

Customer satisfaction

71 High impact

The aggregate satisfaction metric is strong. No complaint text is supplied, so repeated negative themes cannot be assessed.

Value for money

96 Highest impact

Each serving provides substantial folic acid at a very low relative cost. The basic form limits quality, but the useful amount remains very economical.

Report analysis

Goals

General Health
General Health
Impact
Moderate effect
B Goal FitD+ Strength of SupportD CoverageB Formula Quality
Folate · 800 mcg

Folate is essential for cell division and DNA synthesis, so the ingredient has clear foundational relevance. Synthetic folic acid is less direct than active folate forms, and the label does not provide dietary folate equivalents.

The 800 mcg amount is relatively high for routine use and the formula contains no vitamin B12. Sustained high folic acid intake can mask blood signs of vitamin B12 deficiency while neurological harm continues.

Study evidence
Folate Supportive 80 studies
Hair Health
Hair Health
Impact
Moderate effect
C Goal FitD Strength of SupportD- CoverageC+ Formula Quality

Folate supports the rapid cell division needed by hair follicles and may help when folate status is low. The product uses synthetic folic acid, which requires conversion before the body can use it.

A single disclosed vitamin keeps the formula focused, but it does not address the broader nutritional causes of shedding. The high folic acid amount lacks vitamin B12 and may mask signs of vitamin B12 deficiency.

Study evidence
Folate Mixed 15 studies

Ingredients

IngredientAmount per serving
Folic Acid
800 mcg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Folate · 800 mcg OverallScore30
F Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyC Value

Synthetic folic acid requires conversion and lacks active-isomer purity markers. The stated folate amount falls in a high-dose band that warrants added attention to safety. Without B12, the high folate amount may mask deficiency signs, although the low serving cost fits the value expectation for basic folic acid.

View ingredientView products
Loading alternative details
86 Performance

Methyl B-12 Methyl Folate Lonzenge Natural Cherry Flavor

Solaray
<p>Methylcobalamin and branded methylfolate provide a high-quality active-form pairing at targeted amounts, providing better form quality and broader cofactor coverage than synthetic folic acid alone. The vitamin B12 concentration may exceed basic maintenance needs.</p>
86 Performance

B-6 B-12 Folic Acid Drop Ins Natural Mixed Berry Flavor

KAL
<p>Active vitamin B6, methylfolate, and methylcobalamin provide strong form quality in a flexible liquid, providing better form quality and broader cofactor coverage than synthetic folic acid alone. The concentrated vitamin B12 amount is more suited to targeted use than basic maintenance.</p>
82 Performance

BioActive Vitamin B

Terry Naturally
<p>Active forms of vitamin B6, vitamin B12, and folate create a compact and well-targeted B-vitamin formula, providing better form quality and broader cofactor coverage than synthetic folic acid alone. The vitamin B6 amount may be more than many users need for long-term daily use.</p>
80 Budget

Folic Acid 400 mcg

Carlson
<p>A simple folic acid tablet provides useful daily coverage at very low serving cost, and although no eligible choice fills every cheaper slot below the very inexpensive single folic acid tablet, it is among the closest low-cost options. The label does not clearly separate source folic acid from dietary folate equivalents, and vitamin B12 is absent.</p>
88 Budget

MegaFolinic 800 mcg

Source Naturals
<p>Calcium folinate supplies a metabolically active folate form at a substantial amount with excellent serving value, and although no eligible choice fills every cheaper slot below the very inexpensive single folic acid tablet, it is among the closest low-cost options. The single-nutrient formula omits vitamin B12, so prolonged high folate use can mask an unrecognized B12 deficiency.</p>
80 Budget

Multi Gummies plus Extra C

21st Century Zoo Friends
<p>A low-cost children’s gummy provides a modest spread of vitamins in an easy format, and although no eligible choice fills every cheaper slot below the very inexpensive single folic acid tablet, it is among the closest low-cost options. Folate and several other forms are basic or unspecified, making it light nutritional coverage rather than targeted folate support.</p>
87 Value

Methyl Folate 800 mcg

KAL
<p>Active 6S methylfolate provides biologically ready folate at a substantial amount and favorable serving value, offering a stronger form-to-cost balance when active folate is preferred over basic folic acid. The high folate exposure is not paired with vitamin B12, which can leave an unrecognized B12 deficiency hidden.</p>
88 Value

Methylfolate 1333 mcg DFE (800 mcg (6S)-5-Methyltetrahydrofolate) Orange Flavor

Country Life
<p>Explicitly identified 6S methylfolate provides a biologically ready form with clear dietary-equivalent context, offering a stronger form-to-cost balance when active folate is preferred over basic folic acid. The substantial amount is not paired with vitamin B12, so prolonged use could mask an unrecognized B12 deficiency.</p>
85 Value

5-Methyl Folate 1000 mcg

Protocol For Life Balance
<p>Quatrefolic provides a body-ready methylfolate form at a high targeted amount with clear isomer detail, offering a stronger form-to-cost balance when active folate is preferred over basic folic acid. The high folate exposure lacks vitamin B12 and could mask an unrecognized B12 deficiency.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Intakes of Folate, Vitamin B6, and Vitamin B12 in Relation to All-Cause and Cause-Specific Mortality: A National Population-Based Cohort.
    Bo Y; Xu H; Zhang H; Zhang J; Wan Z; Zhao X; Yu Z · Nutrients · 2022
    Cohort study55,569 participantsGeneral Health forFolate
  2. The responsiveness of plasma homocysteine to small increases in dietary folic acid: a primary care study.
    Schorah CJ; Devitt H; Lucock M; Dowell AC · European journal of clinical nutrition · 1998
    Randomized trial119 participantsGeneral Health forFolate
  3. Associations of Serum Folate and Homocysteine Concentrations with All-Cause, Cardiovascular Disease, and Cancer Mortality in Men and Women in Korea: the Cardiovascular Disease Association Study.
    Song S; Song BM; Park HY · The Journal of nutrition · 2023
    Cohort study21,260 participantsGeneral Health forFolate
  4. The concept of folic acid supplementation and its role in prevention of neural tube defect among pregnant women: PRISMA.
    Seyoum Tola F · Medicine · 2024
    Systematic reviewGeneral Health forFolate
  5. Systematic review of adverse health outcomes associated with high serum or red blood cell folate concentrations.
    Colapinto CK; O'Connor DL; Sampson M; Williams B; Tremblay MS · Journal of public health (Oxford, England) · 2017
    Systematic review71,847 participants46 studies pooledGeneral Health forFolate
  6. Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.
    Zhang W; Fan M; Wang C; Mahawar K; Parmar C; Chen W; Yang W; Global Bariatric Research Collaborative · Obesity surgery · 2021
    Meta-analysis2,538 participants18 studies pooledHair Health forFolate
  7. Quantitative Analysis of Selected Circulating Hematological Biomarkers, Essential Minerals, Vitamins, and Thyroid Hormones in Females Affected by Hair Loss.
    Al-Fawaeir S; Al-Odat I · Diseases (Basel, Switzerland) · 2025
    Case-control study200 participantsHair Health forFolate
  8. Twelve weeks of protracted venous infusion of fluorouracil (5-FU) is as effective as 6 months of bolus 5-FU and folinic acid as adjuvant treatment in colorectal cancer.
    Saini A; Norman AR; Cunningham D; Chau I; Hill M; Tait D; Hickish T; Iveson T; Lofts F; Jodrell D; Ross PJ; Oates J · British journal of cancer · 2003
    Randomized trialHair Health forFolate
  9. Role of oxaliplatin combined with 5-fluorouracil and folinic acid in the first- and second-line treatment of advanced colorectal cancer.
    Jonker D; Rumble RB; Maroun J; Gastrointestinal Cancer Disease Site Groupof Cancer Care Ontario’s Program in Evidence-Based Care · Current oncology (Toronto, Ont.) · 2012
    Randomized trialHair Health forFolate
  10. Phase I-II study of vinorelbine in combination with 5-fluorouracil and folinic acid as first-line chemotherapy in metastatic breast cancer: a regimen with a low subjective toxic burden.
    Nolè F; de Braud F; Aapro M; Minchella I; De Pas TM; Zampino MG; Monti S; Andreoni G; Goldhirsch A · Annals of oncology : official journal of the European Society for Medical Oncology · 1997
    Randomized trialHair Health forFolate