Advanced B-12 Complex 5 mg®

Vitamins

Brand: Source Naturals

LozengeVitaminOff Market
Click to view full label

Net Contents

60 Lozenge(s)

Serving Size

1 Lozenge(s)

Servings Per Container

Not specified

Supplement Form

Lozenge

Bar Code (UPC/SKU)

0 21078 01481 2

Product Version

SN1481 REV D171-B

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2% Daily Value Coverage

2 ingredients report a %DV; 2 meet or exceed 100% DV.

2Dietary Attributes

Label states: Vegetarian, Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

  • Milk
  • Egg
  • Wheat
  • Soy
  • Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Lozenge(s) · 1 per day

IngredientAmount Per Serving% Daily Value
Folate(Folic Acid)400 mcg100%
Vitamin B-12(Adenosylcobalamin, Hydroxocobalamin, Methylcobalamin)5 mg84400%

Not Present

Other Ingredients

SorbitolMannitolnatural Cherry flavorStearic AcidMagnesium Stearate

Target Groups

VegetarianAdult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested use: 1 lozenge daily. For best results, allow to dissolve in the mouth before swallowing.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Precautions re: All Other

Do not use if either tamper-evident seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Formulation

Formula re: Contains

Advanced B-12 Complex combines the two active, coenzymated forms of B-12 - methylcobalamin and adenosylcobalamin (dibencozide) – with hydroxocobalamin, a form that is transported throughout the body in the bloodstream. Vitamin B-12 is required for nerve and brain health, and for healthy red blood cells. It also works together with folate to maintain normal levels of homocysteine. Coenzyme supplementation reduces the body’s need to synthesize the active forms of vitamin B-12 from the synthetic form, cyanocobalamin.

Formulation re: Vegetarian/Vegan

Suitable for vegetarians.

Formulation re: Does NOT Contain

Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

FDA Statements

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Other Label Statements

General: Product/Version Code

SN1481 REV D171-B

Manufacturer & Distributor

Distributor

Source Naturals, Inc.

P. O. Box 2118, Santa Cruz, CA, 95062

Market Reference

$7.00 – $32.99· 11 listings
  • Source Naturals Advanced B-12 Complex 60 Tablets

    iHerb4.8(143)
    $18.09
  • MethylCobalamin Source Naturals

    Vitacost.com4.6(679)
    $32.99
  • Source Naturals B-12

    iHerb4.7(265)
    $19.13
  • Coenzymate B Complex Source Naturals

    Vitacost.com4.7(563)
    $21.14
  • Source Naturals B-125 Tablets

    Ayurvedic Herbs Direct4.2(6)
    $13.53
  • Source Naturals MethylCobalamin Cherry

    iHerb4.6(676)
    $10.06
  • Source Naturals B 12 60 Tb Methylcobalamin 60 CT

    GoSupps.com4.6(676)
    $24.99
  • Source Naturals Vegan True B-125 60 Tablets

    Ayurvedic Herbs Direct5.0(1)
    $13.53

Where to Buy Locally

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Research & Studies

  • Potential of Chlorella as a Dietary Supplement to Promote Human Health

    T Bito, E Okumura, M Fujishima, F Watanabe - Nutrients, 2020 - mdpi.com

    … -containing Chlorella products contain inactive corrinoid compounds such as 5-… B 12 are consumed as a sole B 12 source, accurate content estimation requires the identification of B 12 …

    2020368 citations
  • Nanoencapsulation of vitamin B12 with Opuntia ficus-indica seed oil for food supplements uses

    RM Ferreira, A Granja, AMS Silva, JA Saraiva… - Food and Bioproducts …, 2025 - Elsevier

    This study addressed the nutritional challenges faced by vegetarians and vegans, emphasizing the limited access to essential nutrients like vitamin B12 found mainly in animal-based …

    20253 citations
  • Vitamin B12 as a modulator of gut microbial ecology

    PH Degnan, ME Taga, AL Goodman - Cell metabolism, 2014 - cell.com

    … Cofactors structurally similar to B 12 (corrinoids) are … microbial communities toward stability and health. Vitamins, which … Here, we discuss how vitamin B 12 (cobalamin) impacts diverse …

    2014586 citations
  • Human Intrinsic Factor Expression for Bioavailable Vitamin B12 Enrichment in Microalgae

    S Lima, CL Webb, E Deery, C Robinson, JAZ Zedler - Biology, 2018 - mdpi.com

    … uptake and transport from ingestion to the blood stream is a multi-step complex pathway [3]… B 12 in the ileum and the IF-B 12 complex is then recognized by the cubam receptor complex …

    201818 citations
  • Characterization of vitamin B12 compounds from marine foods

    T Bito, Y Tanioka, F Watanabe - Fisheries Science, 2018 - Springer

    … To prevent elderly people from developing vitamin B 12 deficiency due to food protein-bound vitamin B 12 malabsorption, we present a survey of marine foods containing free vitamin …

    201845 citations
  • Nutrients and bioactive compounds in polycystic ovary syndrome: updated insights into effects and underlying mechanisms

    Y Zhang, B Shi, Y Tian, S Xu, H Chang - Frontiers in nutrition, 2026 - frontiersin.org

    … the beneficial role of folic acid supplementation in PCOS management. A study in 150 obese PCOS patients demonstrated that daily supplementation with 1 mg or 5 mg of folic acid for 2 …

    20265 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2018-11-21. DSLD Label ID: 181590. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.