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Vitamin B12 5,000 mcg

product on market Lozenge PureFormulas Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Vitamin B12 is essential for nerve function and red blood cell formation, with strong clinical evidence supporting its role in treating deficiencies. This high-dose formulation provides a concentrated amount of the nutrient to support metabolic processes. The ingredient profile is associated with a high safety rating.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Vitamin B12 5,000 mcg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Lozenge(s)
Serving Size
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

5000 mcg (83330% DV)
2083.3× RDA — above typical dose 139 studies (A:1, B:44)

Other Ingredients

Mannitol Modified Cellulose natural Berry flavor Vegetable Stearate Citric Acid Luo Han Guo
Claims

Label Claims — Verification

Unverified All Other
Info

Product Information

Directions for Use

Suggested usage: As a dietary supplement, dissolve one lozenge slowly in mouth per day, or as directed by your health care practitioner.

Formulation Notes

Does not contain gluten.

Non-GMO

Additional Information

Notice: Color, size or shape may appear different between lots.

Live life pure.

Non-GMO

GMP Compliant Guaranteed Products

Metadata

Product Details

UPC / SKUPUF1201
DSLD Entry Date2019-10-23
Product TypeVitamin
FormLozenge
BrandPureFormulas
DSLD ID206774
Data Updated2026-04-11
Research

Research Evidence

237
Research Sources
53
Avg Quality
83
Meta Analysis
74
Systematic Review
45
Rct
29
Clinical Trial
2
Guideline
2
Regulatory Source
1
Openfda Safety
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 Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency
Systematic Review The Cochrane database of systematic reviews 2018 PubMed DOI
A Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression
Meta Analysis Nutrients 2021 PubMed DOI
A Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis
Systematic Review Irish journal of medical science 2024 PubMed DOI
B Helicobacter pylori infection and micronutrient deficiency in pregnant women: a systematic review and meta-analysis
Meta Analysis BMJ open gastroenterology 2020 PubMed DOI
B Vitamin B12 supplementation during pregnancy for maternal and child health outcomes
Systematic Review The Cochrane database of systematic reviews 2024 PubMed DOI
B A comprehensive review and meta-regression analysis of randomized controlled trials examining the impact of vitamin B12 supplementation on homocysteine levels
Meta Analysis Nutrition reviews 2024 PubMed DOI
B Relationship between vitamin B12 levels and motor development: A systematic review
Systematic Review Clinical nutrition ESPEN 2024 PubMed DOI
B Vitamin B12, folate, and homocysteine in metabolic syndrome: a systematic review and meta-analysis
Meta Analysis Frontiers in endocrinology 2023 PubMed DOI
View all evidence for Vitamin B12 →
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Vitamin B12 research Best Vitamin B12 All Vitamin B12 products More from PureFormulas View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.