🟢 95/100

This product looks safe

  • Vitamin B3: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • 75% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Vitamin B3: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Label Data

2 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
75% Evidence Coverage

Supplement Facts — Evidence Check

Enzogenol dry extract
400 mg
250 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 250mg
4.46 mg (372% DV)
📊 3.7× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 4.46mg
4 mg (308% DV)
📊 3.1× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 4mg
50 mg (313% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 50mg UL 35mg
18.2 mg (364% DV)
📊 3.6× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 18.2mg
4 mg (235% DV)
📊 3.1× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 4mg UL 100mg
50 mcg (2083% DV)
📊 20.8× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.05mg

Other Ingredients

Hydroxypropyl Methylcellulose Microcrystalline Cellulose Magnesium Stearate Silica

Label Claims — Verification

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

Target Groups

Children 4 or More Years of Age Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Adults: 2 caps/day. Children: 1 cap/day, or as directed by your doctor.

⚠️ Warnings & Precautions

Keep out of reach of children.

🧪 Formulation Notes

Calms and relaxes, while keeping your mind alert.

New Zealand pine bark extract with L-Theanine and B-vitamins

Additional Information

Store in a cool, dry place. Keep tightly closed.

Ph: 0800 436 964 [New Zealand only]

Product Details

UPC / SKU 9 421008 082026
DSLD Entry Date 2022-05-19
Product Type Other Combinations
Form Capsule
Brand ENZO
DSLD ID 264777
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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