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Sweet Zzzz

product on market Other (e.g. tea bag) MyBite Vitamins Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

L-Theanine is the primary active ingredient, with moderate evidence suggesting it promotes relaxation and sleep quality. Other listed components are basic macronutrients and minerals that do not provide therapeutic benefits for sleep. The overall evidence coverage for this specific formulation is very limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Sweet Zzzz
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Piece(s)
Serving Size
60
Servings
Other Combinations
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
20 Calorie(s)
Total Fat
1 Gram(s) (2% DV)
Total Carbohydrates
3 Gram(s) (1% DV)
Sodium
10 mg (1% DV)
100 mg
Market median: 200.0mg (358 products) 9 studies (A:0, B:2)
3 mg
Market median: 3.0mg (984 products) 240 studies (A:2, B:109)

Other Ingredients

Dark Chocolate Flavored Coating Glucose Syrup Sugar Palm Oil Milk Egg Whites Cocoa Salt Vanilla flavor Baking Soda Peanut flavor Less than 1%
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: Enjoy one (1) piece per day.

Warnings & Precautions

Allergens: Contains peanuts, milk, egg, and soy. Manufactured in a facility that processes peanuts, milk, egg and soy. Do not consume if you have any food allergies.

Take only as directed. Do not exceed suggested dosage.

If you have a medical condition, are on medication, or are pregnant or nursing, please seek the advice of a qualified health care professional before using.

Do not use if inner seal is broken or missing.

Keep out of the reach of children

Formulation Notes

Laboratory Tested

Supports a restful night's sleep.

No artificial colors or flavors

Melatonin L-Theanine

Dark chocolatey bites with rich salted caramel and a light, fluffy center

Only 20 Calories Per Serving

With Melatonin Supports healthy sleep cycles at night, so you can wake up to a great day

Plus L-Theanine May help calm the mind and quiet your thoughts so you can drift off to sleep

Helpful for: ZZZZ Supporting regular sleep patterns Great for travelers & late shift workers

Gluten free No artificial colors No artificial flavors No added preservatives

Vegetarian

Kosher OU D

Additional Information

Instagram Facebook #HealthMadeHappy

Store in a cool, dry place.

60 Day Supply

Health Made Happy

Kosher OU D

Made in the USA With ingredients from around the world

Metadata

Product Details

UPC / SKU8 43207 10017 9
DSLD Entry Date2020-02-26
Product TypeOther Combinations
FormOther (e.g. tea bag)
BrandMyBite Vitamins
DSLD ID213887
Data Updated2026-04-11
Research

Research Evidence

37
Research Sources
53
Avg Quality
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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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.