ZMA With Theanine

product on market Capsule True Athlete 🟢 Safety: 100/100
Brand: True Athlete
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

3 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

10.5 mg (618% DV)
📊 8.1× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 10.5mg UL 100mg
450 mg (107% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 450mg
30 mg (273% DV)
✅ 2.7× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 30mg UL 40mg
50 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 50mg

Other Ingredients

Gelatin Microcrystalline Cellulose Magnesium Stearate Silicon Dioxide

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) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take three (3) capsules daily for men and two (2) capsules daily for women, preferably on an empty stomach 30-60 minutes before bedtime. For best results, avoid taking with food or supplements containing calcium.

⚠️ Warnings & Precautions

Warning: Consult your healthcare provider prior to use if you are pregnant, nursing, taking any medication or have any medical conditions.

Keep out of reach of children

Tamper evident Do not use if outer seal is broken or missing.

🧪 Formulation Notes

Does Not Contain: Yeast, corn, wheat, gluten, sugar, salt, soy, dairy, citrus, fish, preservatives, artificial colors or flavors.

Additional Information

Strength, power, recovery

NSF Certified for Sport

It’s a unique supplement formulated not only to help you build muscle strength, but also to help fight the effects of exercise-induced stress, and to promote rest and recovery.

ZMA: A precise combination of zinc and magnesium that may help increase muscle strength and power Vitamin B6: Enhances the absorption and utilization of zinc and magnesium Theanine: Promotes recovery, relaxation and restful sleep

www.true-athlete.com

Store in a cool, dry place

Visit www.vitaminshoppe.com or call 1-800-223-1216 for more information and to reorder.

Item No. VS-6020 1774447 CR 37

Product Details

UPC / SKU 7 66536 06020 7
DSLD Entry Date 2017-12-22
Product Type Other Combinations
Form Capsule
Brand True Athlete
DSLD ID 81261
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
PubMed DOI
B The effects of L-theanine consumption on sleep outcomes: A systematic review and meta-analysis
Meta Analysis Sleep medicine reviews 2025
PubMed DOI
B The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness
Rct Nutritional neuroscience 2010
PubMed DOI
B Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults: A Randomized Controlled Trial
Rct Nutrients 2019
PubMed DOI
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
PubMed DOI
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
PubMed DOI
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
PubMed DOI
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
PubMed DOI
B The combined effects of L-theanine and caffeine on cognitive performance and mood
Rct Nutritional neuroscience 2008
PubMed DOI
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
PubMed DOI
View all evidence for L Theanine →

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