Source Naturals Vegan True MethylCobalamin, 1 mg supplement bottle
Source Naturals

Vegan True MethylCobalamin, 1 mg Review

What We Researched
1 active ingredient analyzed · 7 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
75
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B12 (as methylcobalamin) 1 mg 16,670%
Bioavailability Excellent

Absorption Rating

  • Vitamin B12 (as methylcobalamin) Good
Other Ingredients Excellent

Fillers & Additives

  • Sorbitol
  • Magnesium Stearate
  • Stearic Acid
  • Mannitol
  • Silica
  • Natural black cherry flavor
  • Guar Gum
Efficacy Excellent

Dosage Analysis

  • Vitamin B12 (as methylcobalamin) 1 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B12 (as methylcobalamin) 1 mg 16,670%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Mannitol Generally_safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Natural black cherry flavor Unknown
Guar Gum Safe

Thickens and provides fiber in supplement formulations.

Brand Trust Report
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 1511 products · sourcenaturals.com/

Certifications

2 certifications
Fda Gmp Inspections Verified Source
Non-GMO Project Verified Verified

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Contains Proprietary Blend — True
Related Supplements
Frequently Asked Questions
Is Source Naturals Vegan True MethylCobalamin, 1 mg a good supplement?

Source Naturals Vegan True MethylCobalamin, 1 mg received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 60 servings per container. Of the 7 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Source Naturals, holds a brand trust score of 75/100 with 2 verified certifications including Fda Gmp Inspections, Non-GMO Project Verified.

What are the ingredients in Source Naturals Vegan True MethylCobalamin, 1 mg?

Source Naturals Vegan True MethylCobalamin, 1 mg contains 1 active ingredients: Vitamin B12 (as methylcobalamin) (1 mg). Notable high-dose ingredients include Vitamin B12 at 16,670% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Vegan True MethylCobalamin, 1 mg safe to take?

Source Naturals Vegan True MethylCobalamin, 1 mg 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 Source Naturals a trustworthy supplement brand?

Source Naturals receives a brand trust score of 75/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 1511 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, Non-GMO Project Verified. 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 — read our methodology. 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.