🟢 92/100

This product looks safe

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • Folate: 1333mg is 1333.0× the Tolerable Upper Intake Level (1.0mg)
  • 70% of ingredients have research evidence
D Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Safety Alerts

⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
⚠️ Folate: 1333mg is 1333.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

5 mL Serving Size
24 Servings
Vitamin Product Type
70% Evidence Coverage

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Total Carbohydrates
3 Gram(s) (1% DV)
3 mg (250% DV)
✅ 2.5× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 3mg
3.4 mg (262% DV)
✅ 2.6× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 3.4mg
50 mg (313% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 50mg UL 35mg
10 mg (588% DV)
📊 7.7× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 10mg UL 100mg
1333 mcg DFE (333% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1333.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 1333mg UL 1.0mg
5 mg (208333% DV)
📊 2083.3× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 5mg
300 mcg (1000% DV)
📊 10.0× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.3mg
50 mg (1000% DV)
📊 10.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 50mg

Other Ingredients

de-ionized Water Vegetable Glycerin Xylitol Malic Acid Natural Flavors organic Stevia leaf extract Potassium Sorbate Choline Bitartrate Inositol Grapefruit Cinnamon bark oil

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (47% of products)

Target Groups

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

Product Information

📋 Directions for Use

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

⚠️ Warnings & Precautions

Caution: For adults only.

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

Keep out of reach of children.

Contains Xylitol, which is harmful to pets.

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

🧪 Formulation Notes

Vitamin B-12 has the largest and most complex chemical structure of all the vitamins. It it a water-soluble vitamin with a key role in in the normal functioning of the brain and nervous system, as well as in the metabolic utilization of fats and proteins and the cellular production of energy. Vitamin B-12 is also essential for proper red blood cell production, homocysteine metabolism, and the maintenance of a healthy gastrointestinal tract.

NOW Vitamin B-12 is appropriate for vegetarians/vegans (non-animal derived), who are at higher risk of developing vitamin B-12 deficiency.

Natural color variation may occur in this product.

Pleasant tasting!!

Ultra B-12 5,000 mg of B-12 per teaspoon

Cellular energy boost

3 forms of B-12 for maximum utilization Complete liquid B-complex 800 mcg Folic acid

Triangle K (Kosher)

Vegetarian/vegan

Vitamins

Not manufactured with wheat, gluten, soy, milk, egg, fish or shellfish ingredients.

Additional Information

Refrigerate after opening to maximize freshness.

GMP Quality Assured

Triangle K (Kosher)

Family owned since 1968.

Product Details

UPC / SKU 7 33739 00452 9
DSLD Entry Date 2021-02-25
Product Type Vitamin
Form Liquid
Brand NOW
DSLD ID 244470
Data Updated 2026-04-11

Research Evidence

100 Research Sources
56 Avg Quality Score
48 Systematic Review
30 Meta Analysis
13 Rct
6 Clinical Trial
1 Cochrane Review
1 Regulatory Source
B Thiamine for prevention and treatment of Wernicke-Korsakoff Syndrome in people who abuse alcohol
Systematic Review The Cochrane database of systematic reviews 2013
B Efficacy of B-vitamins and vitamin D therapy in improving depressive and anxiety disorders: a systematic review of randomized controlled trials
Systematic Review Nutritional neuroscience 2023
B Effect of thiamine supplementation on glycaemic outcomes in adults with type 2 diabetes: a systematic review and meta-analysis
Meta Analysis BMJ open 2022
B Effect of intravenous thiamine administration on critically ill patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2024
B Effect of adjunctive vitamin C, glucocorticoids, and vitamin B1 on longer-term mortality in adults with sepsis or septic shock: a systematic review and a component network meta-analysis
Systematic Review Intensive care medicine 2022
B Effect of Combined Diclofenac and B Vitamins (Thiamine, Pyridoxine, and Cyanocobalamin) for Low Back Pain Management: Systematic Review and Meta-analysis
Meta Analysis Pain medicine (Malden, Mass.) 2020
B Thiamine, Ascorbic Acid, and Hydrocortisone As a Metabolic Resuscitation Cocktail in Sepsis: A Meta-Analysis of Randomized Controlled Trials With Trial Sequential Analysis
Meta Analysis Critical care medicine 2021
B The effects of thiamine supplementation on patients with heart failure: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Complementary therapies in medicine 2022
B Hydrocortisone Combined with Vitamin C and Thiamine in the Treatment of Sepsis/Septic Shock: A Systematic Review with Meta-Analysis and Trial Sequential Analysis
Meta Analysis Clinical and investigative medicine. Medecine clinique et experimentale 2023
B Thiamine for Wernicke-Korsakoff Syndrome in people at risk from alcohol abuse
Systematic Review The Cochrane database of systematic reviews 2004
View all evidence for Thiamine →

Compare Similar Products

View all Thiamine products →