🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size
30 Servings
Non-Nutrient/Non-Botanical Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

N-Acetyl-L-Cysteine
600 mg
200 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 200mg

Other Ingredients

Silicon Dioxide Hypromellose

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (92% of products) Nutrient (22% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Take 1 capsule (600mg NAC) per day with 6-8 ounces of water. You can take up to 3 capsules (1,800mg NAC) per day.

⚠️ Warnings & Precautions

Do not use: If inner seal is broken or missing.

Keep out of reach of children.

Warning: Pregnant and nursing mothers, anyone taking prescription medications, or prior to any surgical procedures, inform their physician and/or pharmacist before taking this or any other dietary supplement.

🧪 Formulation Notes

What makes nanoneuro different? May support increased focus and attention May improve cognitive performance

Enhanced delivery SuperSorb

N-Acetyl-L-Cysteine with L-Theanine

May support: Brain health Memory & focus Cognitive performance Mental performance

Manufactured in the U.S.A. at a cGMP and FDA registered processing facility.

Additional Information

Store in a cool, dry place.

Product Details

UPC / SKU 8 53267 00332 7
DSLD Entry Date 2024-12-21
Product Type Non-Nutrient/Non-Botanical
Form Capsule
DSLD ID 318669
Data Updated 2026-04-11

Research Evidence

37 Research Sources
53 Avg Quality Score
22 Rct
10 Systematic Review
3 Meta Analysis
1 Clinical Trial
1 Openfda Safety
B Examining the effect of L-theanine on sleep: a systematic review of dietary supplementation trials
Systematic Review Nutritional neuroscience 2026
B The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis
Meta Analysis Sleep medicine reviews 2025
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010
B Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial
Rct Nutrients 2019
B The Role of Supplements and Over-the-Counter Products to Improve Sleep in Children: A Systematic Review
Systematic Review International journal of molecular sciences 2023
B Effects of Tea (Camellia sinensis) or its Bioactive Compounds l-Theanine or l-Theanine plus Caffeine on Cognition, Sleep, and Mood in Healthy Participants: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Meta Analysis Nutrition reviews 2025
B Effect of Alpha-S1-Casein Tryptic Hydrolysate and L-Theanine on Poor Sleep Quality: A Double Blind, Randomized Placebo-Controlled Crossover Trial
Rct Nutrients 2022
B Effect of L-theanine on selective attention in a traffic-related reaction task in sleep-deprived young adults: a double-blind placebo-controlled, crossover study
Rct Nutritional neuroscience 2025
B The combined effects of L-theanine and caffeine on cognitive performance and mood
Rct Nutritional neuroscience 2008
B Acute effects of tea constituents L-theanine, caffeine, and epigallocatechin gallate on cognitive function and mood: a systematic review and meta-analysis
Meta Analysis Nutrition reviews 2014
View all evidence for L Theanine →

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