Source Naturals B-12 Sublingual, 2000 mcg, 50 Tablets supplement bottle
Source Naturals

B-12 Sublingual, 2000 mcg, 50 Tablets

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
81
Product Score Good
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin B12 (as cyanocobalamin) 2000 mcg 33333%
Bioavailability Fair

Absorption Rating

  • Vitamin B12 (as cyanocobalamin) Fair
Other Ingredients Excellent

Fillers & Additives

  • Sorbitol
  • Mannitol
  • Natural Raspberry Flavor
  • Natural Peach Flavor
  • Magnesium Stearate
Efficacy Very Good

Dosage Analysis

  • Vitamin B12 (as cyanocobalamin) 2000 mcg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B12 (as cyanocobalamin) 2000 mcg 33333%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Mannitol Generally_safe

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

Natural Raspberry Flavor Generally_safe

It is used to enhance the taste of the supplement.

Natural Peach Flavor Safe

It is used to add peach flavor to the supplement.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$10$9$8$7$6 Mar 12 $7.88
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
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 837 products · sourcenaturals.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
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Frequently Asked Questions
Is Source Naturals B-12 Sublingual, 2000 mcg a good supplement?

Source Naturals B-12 Sublingual, 2000 mcg, 50 Tablets received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients with 100 servings per container. Of the 5 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Source Naturals B-12 Sublingual, 2000 mcg?

Source Naturals B-12 Sublingual, 2000 mcg contains 1 active ingredients: Vitamin B12 (as cyanocobalamin) (2000 mcg). Notable high-dose ingredients include Vitamin B12 at 33333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals B-12 Sublingual, 2000 mcg safe to take?

Source Naturals B-12 Sublingual, 2000 mcg, 50 Tablets 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 66/100 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 837 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. 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.