Kirkman Methylcobalamin Concentrated Powder supplement bottle
Kirkman

Methylcobalamin Concentrated Powder

What We Researched
1 active ingredient analyzed · 6 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
93
Product Score Excellent
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B12 (as Methylcobalamin) 5000 mcg 208333%
Bioavailability Excellent

Absorption Rating

  • Vitamin B12 (as Methylcobalamin) Good
Other Ingredients Excellent

Fillers & Additives

  • Mannitol
  • Sorbitol
  • Sodium Starch Glycolate
  • Natural Tropical Punch Flavor
  • Citric Acid
  • Silicon Dioxide
Efficacy Very Good

Dosage Analysis

  • Vitamin B12 (as Methylcobalamin) 5000 mcg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B12 (as Methylcobalamin) 5000 mcg 208333%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Mannitol Generally_safe

It is used as a sweetener, filler, and flow agent.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Sodium Starch Glycolate Safe

Helps tablets break apart quickly for faster absorption.

Natural Tropical Punch Flavor Unknown
Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$41$40$39$38$37 $38.99
Target

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

Brand Trust Report
Kirkman

Founded 1949 · Lake Oswego, Oregon, United States · 168 products · kirkmangroup.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source

Violation History

1 incident
Fda Warning Marketing unapproved new drugs (fluoride supplements) and misbranded drugs.2016-01-13Source
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Frequently Asked Questions
Is Kirkman Methylcobalamin Concentrated Powder a good supplement?

Kirkman Methylcobalamin Concentrated Powder 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 1 active ingredients with 98 servings per container. Of the 6 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Kirkman, holds a brand trust score of 81/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Kirkman Methylcobalamin Concentrated Powder?

Kirkman Methylcobalamin Concentrated Powder contains 1 active ingredients: Vitamin B12 (as Methylcobalamin) (5000 mcg). Notable high-dose ingredients include Vitamin B12 at 208333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Kirkman Methylcobalamin Concentrated Powder safe to take?

Kirkman Methylcobalamin Concentrated Powder 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 Kirkman a trustworthy supplement brand?

Kirkman receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1949 and headquartered in Lake Oswego, Oregon, United States, the company offers 168 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Kirkman has 1 historical regulatory incident on record, which are factored into the trust score.

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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.