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Zahler B12 Energizer+ Natural Cherry 5,000 mcg supplement bottle
Zahler

B12 Energizer+ Natural Cherry 5,000 mcg Review

What We Researched
1 active ingredient analyzed · 11 inactive ingredients decoded · 3 brand certifications checked · Page generated: Sep 2026
93
Product Score Excellent
81
Brand Score Good

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
B12 (as Methylcobalamin) 5,000 mcg 208,333%
Bioavailability Excellent

Absorption Rating

  • B12 (as Methylcobalamin) Good
Other Ingredients Excellent

Fillers & Additives

  • Sucrose
  • Sugar
  • Dextrose
  • Magnesium Stearate
  • Natural Vanilla Flavor
  • Stearic Acid
  • Fructose
  • Mannitol
  • Natural black cherry flavor
  • Silicon Dioxide
  • Silica
Efficacy Very Good

Dosage Analysis

  • B12 (as Methylcobalamin) 5,000 mcg High

Supplement Facts

Ingredient Amount % Daily Value
B12 (as Methylcobalamin) 5,000 mcg 208,333%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sucrose Generally_safe

It is used as a sweetener.

Sugar Generally_safe

Adds sweetness to chewable or gummy supplements.

Dextrose Generally_safe

It is used as a filler, sweetener, or to improve the flow of powders.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Natural Vanilla Flavor Generally_safe

It is used to enhance the taste of the supplement.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Fructose Generally_safe

It is used as a sweetener.

Mannitol Generally_safe

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

Natural black cherry flavor Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
Zahler

Founded 2005 · Brooklyn, NY, USA · 174 products · zahlers.com/

Certifications

3 certifications
Fda Gmp Inspections Source available Primary evidence
Kosher Certified Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

5 claims
Third Party Testing Claim — Claimed Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Testing Lab Disclosure — True Brand claim; evidence unavailable
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

4 incidents
Prop 65 Lead2023-08-28 Source available Primary source
Lawsuit Trademark Infringement2022 Source available Primary source
Prop 65 Lead2021-12-09 Source available Primary source
Fda Warning A retailer was cited for making drug claims about a Zahler product.2017-04-17 Source available Primary source
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Frequently Asked Questions
Is Zahler B12 Energizer+ Natural Cherry 5,000 mcg a good supplement?

Zahler B12 Energizer+ Natural Cherry 5,000 mcg 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 120 servings per container. Of the 11 inactive ingredients, 10 are rated safe and 0 ingredients are flagged for review. The manufacturer, Zahler, holds a brand trust score of 81/100.

What are the ingredients in Zahler B12 Energizer+ Natural Cherry 5,000 mcg?

Zahler B12 Energizer+ Natural Cherry 5,000 mcg contains 1 active ingredients: B12 (as Methylcobalamin) (5,000 mcg). Notable high-dose ingredients include B12 at 208,333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Zahler B12 Energizer+ Natural Cherry 5,000 mcg safe to take?

GoodSupp reviewed the inactive-ingredient data available for Zahler B12 Energizer+ Natural Cherry 5,000 mcg. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Zahler a trustworthy supplement brand?

Zahler receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2005 and headquartered in Brooklyn, NY, USA, the company offers 174 products in their lineup. Note: Zahler has 4 historical regulatory incidents 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 — 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.