Home/ Supplements/ L Theanine/ Sleep Regimen 3-in-1

Sleep Regimen 3-in-1

product on market Capsule NOW Safety: 100/100
100/100

This product looks safe

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

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Melatonin and L-theanine have strong evidence for supporting sleep onset and relaxation. 5-Hydroxytryptophan serves as a precursor to serotonin to further aid sleep quality. Research indicates these ingredients are generally well-tolerated for short-term use.

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

Label

Product Label

Label for Sleep Regimen 3-in-1
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Veg Capsule(s)
Serving Size
Other Combinations
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

200 mg
Market median: 200.0mg (358 products) 9 studies (A:0, B:2)
Market median: 100.0mg (116 products) 18 studies (A:0, B:3)
3 mg
Market median: 3.0mg (984 products) 240 studies (A:2, B:109)

Other Ingredients

Hypromellose Microcrystalline Cellulose Stearic Acid Silicon Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested usage: Take 1 capsule about 1 hour before bedtime with juice or water.

May cause drowsiness and mild transient GI symptoms. Take with food in case of GI upset.

Warnings & Precautions

Caution: For adults only.

Not recommended for pregnant/nursing women.

Do not operate a vehicle or heavy machinery following consumption of melatonin.

Consult physician if taking medications (especially sedatives, immunosuppressants, anticoagulants, antidepressants, blood pressure medications), or have a medical condition.

May cause drowsiness and mild transient GI symptoms. Take with food in case of GI upset.

Keep out of reach of children.

Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that process other ingredients containing these allergens.

Formulation Notes

NOW Sleep Regimen 3-in-1 is formulated to relax the mind and promote restful sleep. This formula encourages relaxation and has melatonin to support the regulation of the body's sleep/wake cycle. 5-HTP has been included to support serotonin production, which promotes a sense of calm. Altogether, this product can help you wind down at the end of the day and get a good night's sleep.

Restful sleep blend

Promotes relaxation

with melatonin & 5-HTP

Non-GMO

Vegetarian/vegan

Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.

Natural color variation may occur in this product.

Additional Information

General health Family owned since 1968.

Store in a cool, dry place after opening.

Metadata

Product Details

UPC / SKU7 33739 04769 4
DSLD Entry Date2021-04-22
Product TypeOther Combinations
FormCapsule
BrandNOW
DSLD ID244780
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 →
Compare

Similar Products

View all L Theanine products →

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