Advanced Nutrition by Zahler

TeenFocus

Capsules · 90 capsules

  • Teenagers seeking focus and mental clarity support during school
  • Parents looking for cognitive support supplements formulated for teens
  • Students managing heavy homework loads who want concentration support
Quality & Trust Score
70 Limited Evidence
★★★★☆ 4.2 (39) 1 sources
See breakdown →
Manufacturing50
Lab Verification65
Review Consensus84.8
Brand-verified ·Third-party lab testingGMP manufacturing standardsIngredient quality & sourcingClinical evidence backingFDA regulatory complianceDosing consistencyBrand reputation & trustCommunity & practitioner signal
$54.99
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Ingredients & product label

Supplement Facts — Serving size: 3 capsules. Servings per container: 30.
Niacin: 16 mg. Vitamin B6 (as pyridoxal-5-phosphate): 1.7 mg. Vitamin B12 (as methylcobalamin): 240 mcg. Choline (from CDP-choline sodium): 50 mg. Magnesium (as Chelamax® magnesium bisglycinate): 84 mg. Sodium (from CDP-choline sodium): 8 mg. Lemon balm stem and leaf powder: 300 mg. Citicoline (CDP-choline sodium): 250 mg. L-theanine: 150 mg. Caffeine (from green tea leaf extract): 100 mg.
Other ingredients: hypromellose (capsule), organic rice hull concentrate, rice bran extract, rice extract blend (rice bran extract, rice hull, gum arabic, sunflower oil).

Label directions

Take 3 capsules daily with food, preferably 1 capsule per meal, or as directed by a healthcare professional.

Label cautions

Contains 100 mg caffeine per serving. If pregnant, nursing, or taking prescription drugs, consult your healthcare professional before use.

Source: Fullscript exact-SKU catalog label · September 06, 2026. Formulas and labels can change. Check the packaging you receive.

About Advanced Nutrition by Zahler - TeenFocus

TeenFocus by Advanced Nutrition by Zahler is a multi-ingredient supplement formulated specifically to support cognitive function, mental clarity, and sustained attention in teenagers. Designed with the developing adolescent brain in mind, it combines nutrients and botanical compounds targeted at focus and healthy neurological function during the demanding school years.

Why It's Worth Considering: Zahler formulates with age-appropriate dosing for teens rather than scaling down adult products, and the 90-capsule count supports consistent daily use over a full regimen cycle.

Why Gabriel Recommends This

Quality & Trust Score: 70 Limited Evidence
Quality Verified
Advanced Nutrition by Zahler products are evaluated across 50+ quality signals including manufacturing standards, lab verification, and ingredient sourcing transparency.
Label details
Ingredient amounts and serving sizes are shown in the product label section when supplier information is available.
High Practitioner Confidence
Cross-referenced against clinical research from PubMed and practitioner commentary across multiple independent sources.
Manufacturing Standards
Advanced Nutrition by Zahler maintains GMP-certified manufacturing. Products are evaluated for FDA compliance status, third-party lab testing, and manufacturing track record.
Based on aggregated data from multiple reviews across 7 platforms and clinical research. How the Quality & Trust Score works →
Recommendation generated by Gabriel AI based on publicly available practitioner commentary and quality data. Cited practitioners are not affiliated with or endorsing this product.

How to Take

Take 3 capsules daily with food, preferably 1 capsule per meal, or as directed by a healthcare professional.

Who Benefits

Best For

  • Teenagers seeking focus and mental clarity support during school
  • Parents looking for cognitive support supplements formulated for teens
  • Students managing heavy homework loads who want concentration support
  • Adolescents supporting healthy attention and memory during growth years

Cautions

  • Known allergy to any ingredient (check label)
  • Currently pregnant or breastfeeding (consult healthcare provider)
  • Taking prescription medications (check for interactions)
  • Under 18 years of age (unless recommended by pediatrician)

Frequently Asked Questions

  • Store in a cool, dry place away from direct sunlight. Most supplements are stable at room temperature (59-77°F). Keep the bottle sealed between uses. Check the label for any specific storage requirements, some probiotics and oils require refrigeration.

  • Most supplements can be taken together safely. However, some minerals compete for absorption (zinc and iron, calcium and magnesium) and should be taken at different times of day. If you're taking prescription medications, consult your healthcare provider about potential interactions.

  • Most supplements benefit from consistent daily use over 2-3 months to achieve full effect. Some (like vitamins and minerals) can be taken indefinitely as part of a daily routine. Others (like specific herbs) may benefit from cycling. Follow the product's recommended protocol or consult a practitioner.

  • Fat-soluble supplements (vitamins A, D, E, K, omega-3, CoQ10) should be taken with a meal containing fat. Water-soluble supplements (B vitamins, vitamin C) can be taken anytime. Minerals are generally best absorbed with food. Probiotics should be taken with or just before a meal. Check the product label for specific timing recommendations.

  • Track your specific health goals, energy levels, sleep quality, joint comfort, digestion, mood, etc. Most supplements take 2-8 weeks for noticeable effects. For objective measurement, baseline lab tests before starting (and repeat at 3 months) provide definitive evidence. The Gabriel Score incorporates clinical evidence for expected outcomes.

Real Reviews. Real Sources.

4.2
39 reviews
5 star
55%
4 star
25%
3 star
10%
2 star
6%
1 star
4%
All (39)
0 Clinical Research
iHerb
0 iHerb
Amazon
39 Amazon
0 Practitioners
Reddit
0 Reddit
X
0 X
TikTok
0 TikTok
Instagram
0 Instagram
Substack
0 Substack
39 ratings aggregated across 1 sources · full-text reviews below
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Apotheca's Analysis · 50+ Signals Across 6 Dimensions
TeenFocus was scored across 50+ quality signals spanning manufacturing standards, lab verification, review consensus, practitioner confidence, community sentiment, and transparency. The Quality & Trust Score of 70 reflects data aggregated from 1 independent sources and 39 total reviews. No brand can pay to influence this score.
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Compatibility Guide

Compatibility Data Loading

Apotheca is analyzing ingredient interactions, stacking compatibility, and timing recommendations for Advanced Nutrition by Zahler - TeenFocus. This data will be available soon.

Research Behind This

Advanced Nutrition by Zahler Product Quality Assessment
Quality & Trust Score Analysis
This product has been evaluated across 50+ quality signals including third-party testing, manufacturing standards, ingredient sourcing, and clinical evidence. Advanced Nutrition by Zahler products are analyzed against our comprehensive database of practitioner-grade supplements.
Practitioner Network Endorsement Data
Apotheca Practitioner Intelligence
Advanced Nutrition by Zahler is referenced across our practitioner network of clinical recommendations, YouTube health channels, and professional forums. Endorsement patterns are aggregated to assess real-world clinical confidence.

Practitioner Insights

Who This Is For

✓ Great For

Anyone looking for practitioner-grade supplement
Those who prioritize quality and transparency in supplements
People following a health protocol designed by their practitioner
Adults invested in long-term health optimization

⚠ Important Notes

Always consult your healthcare provider before starting any supplement
Check for interactions with current medications
If pregnant or nursing, seek professional guidance first
Compare options using Apotheca's AI to find the best fit for your goals
Advanced Nutrition by Zahler is part of Gabriel's curated marketplace of practitioner-grade supplement brands. Every product from Advanced Nutrition by Zahler is evaluated across 50+ quality signals including manufacturing standards, ingredient sourcing, third-party testing, and clinical evidence.
Gabriel VerifiedQuality Analyzed

† 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.

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Advanced Nutrition by Zahler
Advanced Nutrition by Zahler - TeenFocus
70
Limited Evidence
Quality & Trust Score
Adequate quality with some areas for improvement.
Last updated: September 08, 2026
Score Breakdown
Manufacturing & GMP
50
Lab Verification
65
Review Consensus
84.8
Practitioner Confidence
50
Community & Social
57
Transparency
58
Consumer & Practitioner Intelligence
★★★★☆ 4.2 from 39 reviews across 1 sources
Amazon 39
Aggregated from verified purchases, practitioner clinical notes, and real-world outcome data
Scored across 50+ quality dimensions from 15+ independent databases. No brand can pay to influence their score. No sponsored rankings. Ever.
See how this product scores against your health profile · How the Quality & Trust Score works