NOW Ultra B-12, 5000 mcg, 16 fl oz supplement bottle
NOW

Ultra B-12, 5000 mcg, 16 fl oz

What We Researched
10 active ingredients analyzed · 11 inactive ingredients decoded · 5 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
93
Product Score Excellent
89
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Thiamin (Vitamin B-1) (from Thiamin HCI) 3 mg 200%
Riboflavin (Vitamin B-2) 3.4 mg 200%
Niacin (Vitamin B-3) (as Niacinamide) 50 mg 250%
Vitamin B6 (from Pyridoxine HCI) 10 mg 500%
Folate (as Folic Acid) 800 mcg 200%
Vitamin B12[as Cyanocobalamin, Methylcobalamin (Co-enzyme Form) and Dibencozide (Co-enzyme Form)] (5000 mcg) 5 mg 83,333%
Biotin 300 mcg 100%
Pantothenic Acid (Vitamin B-5)(from Calcium Pantothenate) 50 mg 500%
Bioavailability Very Good

Absorption Rating

  • Thiamin (Vitamin B-1) (from Thiamin HCI) Fair
  • Riboflavin (Vitamin B-2) Good
  • Niacin (Vitamin B-3) (as Niacinamide) Good
  • Vitamin B6 (from Pyridoxine HCI) Fair
  • Folate (as Folic Acid) Fair
  • Vitamin B12[as Cyanocobalamin, Methylcobalamin (Co-enzyme Form) and Dibencozide (Co-enzyme Form)] (5000 mcg) Good
  • Biotin Good
  • Pantothenic Acid (Vitamin B-5)(from Calcium Pantothenate) Good
Other Ingredients Excellent

Fillers & Additives

  • De-ionized Water
  • Vegetable Glycerine
  • Xylitol
  • Brown Rice Syrup
  • Malic Acid
  • Natural Flavors
  • BetterStevia® [organic stevia extract (leaf)]
  • Potassium Sorbate (as Preservative)
  • Choline Bitartrate
  • Inositol
  • Grapefruit fiber and Cinnamon bark oil (ceylon) (cinnamomum zeylanicum)
Efficacy Excellent

Dosage Analysis

  • Thiamin (Vitamin B-1) (from Thiamin HCI) 3 mg Effective
  • Riboflavin (Vitamin B-2) 3.4 mg Effective
  • Niacin (Vitamin B-3) (as Niacinamide) 50 mg High
  • Vitamin B6 (from Pyridoxine HCI) 10 mg Effective
  • Folate (as Folic Acid) 800 mcg Effective
  • Vitamin B12[as Cyanocobalamin, Methylcobalamin (Co-enzyme Form) and Dibencozide (Co-enzyme Form)] (5000 mcg) 5 mg High
  • Biotin 300 mcg Effective
  • Pantothenic Acid (Vitamin B-5)(from Calcium Pantothenate) 50 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 10
Total Carbohydrate 3 g 1%
Thiamin (Vitamin B-1) (from Thiamin HCI) 3 mg 200%
Riboflavin (Vitamin B-2) 3.4 mg 200%
Niacin (Vitamin B-3) (as Niacinamide) 50 mg 250%
Vitamin B6 (from Pyridoxine HCI) 10 mg 500%
Folate (as Folic Acid) 800 mcg 200%
Vitamin B12[as Cyanocobalamin, Methylcobalamin (Co-enzyme Form) and Dibencozide (Co-enzyme Form)] (5000 mcg) 5 mg 83,333%
Biotin 300 mcg 100%
Pantothenic Acid (Vitamin B-5)(from Calcium Pantothenate) 50 mg 500%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

De-ionized Water Safe

It is used as a solvent to dissolve and mix ingredients.

Vegetable Glycerine Safe

It is used as a solvent, humectant, and sweetener.

Xylitol Safe

Provides sweetness with reduced calorie content. Does not promote tooth decay.

Brown Rice Syrup Generally_safe

It is used to add sweetness to supplements.

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Natural Flavors Safe

Improves taste of chewable, gummy, or liquid supplements.

BetterStevia® [organic stevia extract (leaf)] Unknown
Potassium Sorbate (as Preservative) Generally_safe

It is used to inhibit the growth of mold and bacteria, extending the shelf life of the supplement.

Choline Bitartrate Generally_safe

It is used to supplement choline intake.

Inositol Safe

It is used for its potential benefits related to cell signaling and mental health.

Grapefruit fiber and Cinnamon bark oil (ceylon) (cinnamomum zeylanicum) Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$27$26$25$24$23 Mar 12 $24.79
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
NOW

Founded 1968 · Bloomingdale, Illinois, USA · 53 products · nowfoods.com

Certifications

5 certifications
Informed Sport Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is NOW Ultra B-12, 5000 mcg a good supplement?

NOW Ultra B-12, 5000 mcg, 16 fl oz received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 10 active ingredients with 95 servings per container. Of the 11 inactive ingredients, 6 are rated safe and 0 are flagged for review. The manufacturer, NOW, holds a brand trust score of 89/100 with 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in NOW Ultra B-12, 5000 mcg?

NOW Ultra B-12, 5000 mcg contains 10 active ingredients: Calories (10), Total Carbohydrate (3 g), Thiamin (Vitamin B-1) (from Thiamin HCI) (3 mg), Riboflavin (Vitamin B-2) (3.4 mg), Niacin (Vitamin B-3) (as Niacinamide) (50 mg), Vitamin B6 (from Pyridoxine HCI) (10 mg), and 4 more. Notable high-dose ingredients include Niacin at 250% DV, Vitamin B6 at 500% DV, Vitamin B12[as Cyanocobalamin, Methylcobalamin at 83,333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Ultra B-12, 5000 mcg safe to take?

NOW Ultra B-12, 5000 mcg, 16 fl oz has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NOW a trustworthy supplement brand?

NOW receives a brand trust score of 89/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 53 products in their lineup. They hold 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.