Zahler AdultFocus™ supplement bottle
Zahler

AdultFocus™ Review

What We Researched
8 active ingredients analyzed · 4 inactive ingredients decoded · 3 brand certifications checked · Last updated: Aug 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
Vitamin B6 (as Pyridoxal-5-Phosphate) 20 mg 1,176%
Vitamin B12 (as Methylcobalamin) 120 mcg 5,000%
Folate as quatrefolic, (6S)-5-Methylfolate, 200 mcg glucosamine salt) 200 mcg 50%
Citicoline (Cognizin Citicoline) 250 mg *
L-Theanine (as Suntheanine) 125 mg *
NeuroFactor Coffee Fruit Extract 100 mg *
Phosphatidylserine (as Sharp PS Green®) 100 mg *
DMAE 100 mg *
Bioavailability Very Good

Absorption Rating

  • Vitamin B6 (as Pyridoxal-5-Phosphate) Good
  • Vitamin B12 (as Methylcobalamin) Good
  • Folate as quatrefolic, (6S)-5-Methylfolate, 200 mcg glucosamine salt) Good
  • Citicoline (Cognizin Citicoline) Good
  • L-Theanine (as Suntheanine) Good
  • NeuroFactor Coffee Fruit Extract Fair
  • Phosphatidylserine (as Sharp PS Green®) Good
  • DMAE Fair
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose (Capsule)
  • Microcrystalline
  • Cellulose
  • Magnesium Stearate and Silicon Dioxide
Efficacy Very Good

Dosage Analysis

  • Vitamin B6 (as Pyridoxal-5-Phosphate) 20 mg Effective
  • Vitamin B12 (as Methylcobalamin) 120 mcg Effective
  • Folate as quatrefolic, (6S)-5-Methylfolate, 200 mcg glucosamine salt) 200 mcg Under-dosed
  • Citicoline (Cognizin Citicoline) 250 mg Effective
  • L-Theanine (as Suntheanine) 125 mg Effective
  • NeuroFactor Coffee Fruit Extract 100 mg Effective
  • Phosphatidylserine (as Sharp PS Green®) 100 mg Effective
  • DMAE 100 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin B6 (as Pyridoxal-5-Phosphate) 20 mg 1,176%
Vitamin B12 (as Methylcobalamin) 120 mcg 5,000%
Folate as quatrefolic, (6S)-5-Methylfolate, 200 mcg glucosamine salt) 200 mcg 50%
Citicoline (Cognizin Citicoline) 250 mg *
L-Theanine (as Suntheanine) 125 mg *
NeuroFactor Coffee Fruit Extract 100 mg *
Phosphatidylserine (as Sharp PS Green®) 100 mg *
DMAE 100 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Microcrystalline Unknown
Cellulose Safe

Provides bulk and structure in tablets and capsules.

Magnesium Stearate and Silicon Dioxide Generally_safe

They are added to improve manufacturing by preventing ingredients from sticking to machinery and improving powder flow.

Brand Trust Report
Zahler

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

Certifications

3 certifications
Fda Gmp Inspections Verified Source
Kosher Certified Verified Source
NSF Certified Verified

Transparency

5 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Testing Lab Disclosure — True
Contains Proprietary Blend — True

Violation History

4 incidents
Prop 65 Lead2023-08-28Source
Lawsuit Trademark Infringement2022Source
Prop 65 Lead2021-12-09Source
Fda Warning A retailer was cited for making drug claims about a Zahler product.2017-04-17Source
Related Supplements
Frequently Asked Questions
Is Zahler AdultFocus™ a good supplement?

Zahler AdultFocus™ 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 8 active ingredients with 30 servings per container. Of the 4 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Zahler, holds a brand trust score of 81/100 with 3 verified certifications including Fda Gmp Inspections, Kosher Certified, NSF Certified.

What are the ingredients in Zahler AdultFocus™?

Zahler AdultFocus™ contains 8 active ingredients: Vitamin B6 (as Pyridoxal-5-Phosphate) (20 mg), Vitamin B12 (as Methylcobalamin) (120 mcg), Folate as quatrefolic, (6S)-5-Methylfolate, 200 mcg glucosamine salt) (200 mcg), Citicoline (Cognizin Citicoline) (250 mg), L-Theanine (as Suntheanine) (125 mg), NeuroFactor Coffee Fruit Extract (100 mg), and 2 more. Notable high-dose ingredients include Vitamin B6 at 1,176% DV, Vitamin B12 at 5,000% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Zahler AdultFocus™ safe to take?

Zahler AdultFocus™ 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 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. They hold 3 verified certifications including Fda Gmp Inspections, Kosher Certified, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. 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.