Vitamin B12 100 mcg
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 100% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
1 Tablet(s)
Serving Size
Vitamin
Product Type
100%
Evidence Coverage
Supplement Facts — Evidence Check
100 mcg
(1667% DV)
📊 41.7× RDA — above typical dose
📚 138 studies (Tier A: 1, B: 44)
Other Ingredients
Dicalcium Phosphate
powdered Cellulose
Cyanocobalamin
Croscarmellose Sodium
Silicon Dioxide
Magnesium Stearate
FD&C Red No. 40 Lake
Label Claims — Verification
❓
Nutrient
❓
All Other
❓
Structure/Function
All Other (99% of products)
Structure/Function (89% of products)
Nutrient (56% of products)
Target Groups
Adult (18 - 50 Years)
Gluten Free
Sugar Free
Product Information
📋 Directions for Use
Adults - one tablet daily with food as a dietary supplement.
⚠️ Warnings & Precautions
Warnings Keep out of the reach of children.
Pregnant or nursing women, individuals taking medication(s) or persons who have a health condition should consult their physician before using this product.
🧪 Formulation Notes
Vitamin B12 is needed to synthesize hemoglobin, help manufacture healthy blood cells and maintain the nervous system.
No artificial flavors, sugar, gluten, trans fat, lactose.
Additional Information
Nervous system health
Details Quick view Synthesizes hemoglobin Helps manufacture healthy blood cells Maintains the nervous system
Energy metabolism.
100% satisfaction guaranteed
Store at 15(0)-30(0)C (59(0)-86(0)F).
Product Details
UPC / SKU
3 11917 17170
DSLD Entry Date
2019-10-23
Product Type
Vitamin
Form
Tablet or Pill
Brand
Well At Walgreens
DSLD ID
207016
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
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
A
Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression
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
B
Helicobacter pylori infection and micronutrient deficiency in pregnant women: a systematic review and meta-analysis
B
Vitamin B12 supplementation during pregnancy for maternal and child health outcomes
B
A comprehensive review and meta-regression analysis of randomized controlled trials examining the impact of vitamin B12 supplementation on homocysteine levels
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