Folic Acid 1,200 mcg by Superior Source — Ingredients, Evidence & Safety

🟡 60/100

Review before taking

Folic Acid: 1.2mg is 1.2× the Tolerable Upper Intake Level (1.0mg)
100% of ingredients have research evidence

C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folic Acid: 1.2mg is 1.2× the Tolerable Upper Intake Level (1.0mg)

This supplement contains a dose of folic acid that exceeds the recommended maximum daily limit of 1.0 mg.

Label Data

1 MicroLingual(R) Tablet(s) Serving Size

100 Servings

Vitamin Product Type

100% Evidence Coverage

Supplement Facts — Evidence Check

Folic Acid

1200 mcg (300% DV)

⚠️ Exceeds Tolerable Upper Intake Level by 1.2× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 1.2mg UL 1.0mg

Other Ingredients

Lactose Acacia

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (77% of products) Nutrient (60% of products) Approved Health (5% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Place on or under the tongue

Directions: As a dietary supplement, dissolve one MicroLingual tablet under the tongue as directed by your healthcare provider. This product may also be swallowed.

🧪 Formulation Notes

GMO and preservative free

Additional Information

Tablet color, taste and texture may vary slightly from batch to batch. Potency is not affected by these natural variances Please read all label information

Made in USA

"Less is more" Simplicity Purity Efficiency No pills to swallow

GMO free

Our proprietary hydrodrying process results in fewer inactive binders and fillers and a higher ratio of nutritional ingredients - hence the small size. They efficiently provide your body with the nutrients you need right now.

Dissolves on contact

Product Details

DSLD Entry Date 2017-02-24

Product Type Vitamin

Form Tablet or Pill

Brand Superior Source

DSLD ID 70958

Data Updated 2026-04-11

Research Evidence

363 Research Sources

57 Avg Quality Score

187 Meta Analysis

56 Systematic Review

54 Rct

29 Guideline

26 Clinical Trial

6 Cochrane Review

2 Regulatory Source

1 Other

1 Openfda Safety

A Homocysteine-lowering interventions for preventing cardiovascular events

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI

A Community-based intervention packages for reducing maternal and neonatal morbidity and mortality and improving neonatal outcomes

Meta Analysis The Cochrane database of systematic reviews 2015

PubMed DOI

A Folate Intake and Risk of Pancreatic Cancer: A Systematic Review and Updated Meta-Analysis of Epidemiological Studies

Meta Analysis Digestive diseases and sciences 2021

PubMed DOI

A The Association Between the Risk of Hypertensive Disorders of Pregnancy and Folic Acid: A Systematic Review and Meta-Analysis

Meta Analysis Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques 2021

PubMed DOI

A A Comparative Study Evaluating the Effectiveness of Folate-Based B Vitamin Intervention on Cognitive Function of Older Adults under Mandatory Folic Acid Fortification Policy: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

Meta Analysis Nutrients 2024

PubMed DOI

A Associations between serum Homocysteine, vitamin B9, and vitamin B12 levels and the formation of intracranial Aneurysms: A systematic review and meta-analysis

Meta Analysis Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2025

PubMed DOI

A Intake of vitamin B6, folate, and vitamin B12 and risk of coronary heart disease: a systematic review and dose-response meta-analysis of prospective cohort studies

Meta Analysis Critical reviews in food science and nutrition 2019

PubMed DOI

A Beneficial effects of folic acid supplementation on lipid markers in adults: A GRADE-assessed systematic review and dose-response meta-analysis of data from 21,787 participants in 34 randomized controlled trials

Meta Analysis Critical reviews in food science and nutrition 2022

PubMed DOI

A Folic acid supplementation and blood pressure: a GRADE-assessed systematic review and dose-response meta-analysis of 41,633 participants

Meta Analysis Critical reviews in food science and nutrition 2023

PubMed DOI

A Digital tracking, provider decision support systems, and targeted client communication via mobile devices to improve primary health care

Meta Analysis The Cochrane database of systematic reviews 2025

PubMed DOI

View all evidence for Folate →