Liquid B-12

product on market Liquid NOW 🟢 Safety: 96/100
Brand: NOW
🟢 96/100

This product looks safe

  • Folate: 340mg is 340.0× the Tolerable Upper Intake Level (1.0mg)
  • 67% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 340mg is 340.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 mL Serving Size
59 Servings
Botanical with Nutrients Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
20 mg (22% DV)
0.6 mg (50% DV)
✅ Within RDA (0.5× RDA of 1.2 mg) 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 0.6mg
1.7 mg (131% DV)
✅ 1.3× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 1.7mg
20 mg (125% DV)
✅ 1.4× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 20mg UL 35mg
2 mg (118% DV)
✅ 1.5× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 2mg UL 100mg
340 mcg DFE (85% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 340.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 340mg UL 1.0mg
1000 mcg (41667% DV)
📊 416.7× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 1.0mg
30 mg (600% DV)
📊 6.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 30mg
Stevia Leaf Extract
2 mg

Other Ingredients

Water, Deionized Glycerin Xylitol Malic Acid Natural Flavors Potassium Sorbate Ginger Grapefruit Fiber Cinnamon Bark Oil

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Kosher Halal Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested Usage: Shake well. In the morning, take 1/4 teaspoon, hold in mouth for 30 seconds, then swallow. Take with a meal.

⚠️ Warnings & Precautions

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Caution: For adults only. Keep out of reach of children.

Consult physician if pregnant/nursing, taking medication, or have a medical condition.

Contains Xylitol, which is harmful to pets.

🧪 Formulation Notes

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or sesame ingredients. Contains no alcohol.

Made and quality tested in the USA with globally sourced ingredients.

Crescent H (Halal)

B-Complex

Nervous System Health Essential for Energy Production

Non-GMO

Vegetarian/Vegan

Triangle K (Kosher)

Additional Information

Refrigerate after opening to maximize freshness.

Crescent H (Halal)

Triangle K (Kosher)

Vitamins Family owned since 1968.

GMP Quality Assured

Product Details

UPC / SKU 7 33739 00464 2
DSLD Entry Date 2024-06-20
Product Type Botanical with Nutrients
Form Liquid
Brand NOW
DSLD ID 314419
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024
PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
PubMed DOI
View all evidence for Vitamin C →

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