Source Naturals Advanced B-12 Complex, 5 mg, 60 Lozenges supplement bottle
Source Naturals

Advanced B-12 Complex, 5 mg, 60 Lozenges

What We Researched
2 active ingredients analyzed · 5 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
90
Product Score Excellent
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Folate (as folic acid) (400 mcg folic acid) 680 mcg DFE 170%
Vitamin B-12 (as methylcobalamin, hydroxocobalamin, and dibencozide) 5 mg 208,333%
Bioavailability Very Good

Absorption Rating

  • Folate (as folic acid) (400 mcg folic acid) Fair
  • Vitamin B-12 (as methylcobalamin, hydroxocobalamin, and dibencozide) Good
Other Ingredients Excellent

Fillers & Additives

  • Sorbitol
  • Mannitol
  • Natural Cherry Flavor
  • Stearic Acid
  • Magnesium Stearate
Efficacy Very Good

Dosage Analysis

  • Folate (as folic acid) (400 mcg folic acid) 680 mcg DFE Effective
  • Vitamin B-12 (as methylcobalamin, hydroxocobalamin, and dibencozide) 5 mg High

Supplement Facts

Ingredient Amount % Daily Value
Folate (as folic acid) (400 mcg folic acid) 680 mcg DFE 170%
Vitamin B-12 (as methylcobalamin, hydroxocobalamin, and dibencozide) 5 mg 208,333%

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 Cherry Flavor Safe

It provides a cherry flavor to the product.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$20$19$17$16$15 Mar 12 $18.09$16.69
iHerb
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 Advanced B-12 Complex, 5 mg a good supplement?

Source Naturals Advanced B-12 Complex, 5 mg, 60 Lozenges received a product quality score of 90/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients Of the 5 inactive ingredients, 4 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 Advanced B-12 Complex, 5 mg?

Source Naturals Advanced B-12 Complex, 5 mg contains 2 active ingredients: Folate (as folic acid) (400 mcg folic acid) (680 mcg DFE), Vitamin B-12 (as methylcobalamin, hydroxocobalamin, and dibencozide) (5 mg). Notable high-dose ingredients include Vitamin B-12 at 208,333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Advanced B-12 Complex, 5 mg safe to take?

Source Naturals Advanced B-12 Complex, 5 mg, 60 Lozenges 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.