🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 54% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Tablet(s) Serving Size
Other Combinations Product Type
54% Evidence Coverage

Supplement Facts — Evidence Check

45 mcg (2% DV)
📊 18.8× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.045mg
Calcium
500 mg (38% DV)
Iron
18 mg (100% DV)
225 mcg (150% DV)
✅ 1.5× RDA — within safe limits 📚 243 studies (Tier A: 4, B: 133)
RDA 0.15mg This product: 0.225mg UL 1.1mg
250 mg (60% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 250mg
15 mg (136% DV)
✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 15mg UL 40mg
70 mcg (127% DV)
✅ 1.3× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.07mg UL 0.4mg
2 mg (222% DV)
✅ 2.2× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 2mg UL 10mg
4 mg (174% DV)
✅ 1.7× RDA — within safe limits 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 4mg UL 11mg
120 mcg (343% DV)
📊 3.4× RDA — above typical dose 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.12mg
75 mcg (167% DV)
✅ 1.7× RDA — within safe limits 📚 2 studies — no high-quality reviews
RDA 0.045mg This product: 0.075mg UL 2mg
Potassium
45 mg (1% DV)
Cobalt
2 mcg

Other Ingredients

Cellulose Stearic Acid

Label Claims — Verification

All Other
All Other (99% of products) Structure/Function (89% of products) Nutrient (56% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Suggested use: Take two (2) tablets daily with food. Do not exceed recommended daily dose unless directed by your health care practitioner.

⚠️ Warnings & Precautions

Do not exceed recommended daily dose unless directed by your health care practitioner.

Keep out of reach of children in a cool, dry place.

This product may be produced in a facility that also makes products containing milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, and soy.

Food supplements should not be used as a substitute for a varied diet.

Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of the reach of children. In case of accidental overdose, call a doctor or poison control.

In case of adverse event: 855-885-2855

🧪 Formulation Notes

Tested gluten free Certified nonGE tested

Additional Information

Actual color and size Servings Per Container = Varied

Keep out of reach of children in a cool, dry place.

Product Details

DSLD Entry Date 2022-01-22
Product Type Other Combinations
Form Tablet or Pill
Brand VitalBulk
DSLD ID 258746
Data Updated 2026-04-11

Research Evidence

237 Research Sources
53 Avg Quality Score
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
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
A Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency
Systematic Review The Cochrane database of systematic reviews 2018
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
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
B Helicobacter pylori infection and micronutrient deficiency in pregnant women: a systematic review and meta-analysis
Meta Analysis BMJ open gastroenterology 2020
B Vitamin B12 supplementation during pregnancy for maternal and child health outcomes
Systematic Review The Cochrane database of systematic reviews 2024
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
B Relationship between vitamin B12 levels and motor development: A systematic review
Systematic Review Clinical nutrition ESPEN 2024
B Vitamin B12, folate, and homocysteine in metabolic syndrome: a systematic review and meta-analysis
Meta Analysis Frontiers in endocrinology 2023
View all evidence for Vitamin B12 →

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