🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

1 Tablet(s) Serving Size
30 Servings
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

200 mg
📊 Market median: 200.0mg (358 products) 📚 9 studies (Tier A: 0, B: 2)
This product: 200mg
Nighttime Herbal Blend
50 mg
10 mg
📊 Market median: 3.0mg (984 products) 📚 236 studies (Tier A: 2, B: 109)
This product: 10mg UL 10mg

Other Ingredients

Cellulose Dicalcium Phosphate Maltodextrin Stearic Acid Magnesium Stearate Silica Vegetable juice color Glycerin

Label Claims — Verification

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

Target Groups

Vegetarian Adult (18 - 50 Years) Women (not pregnant or lactating) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: For adults, take one (1) tablet 30 minutes before bedtime.

⚠️ Warnings & Precautions

Warning: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.

Avoid this product if you are allergic to ragweed or daisy-like flowers.

Discontinue use and consult your doctor if any adverse reactions occur. Do not drive, operate machinery or consume alcohol when taking this product.

Not intended for use by persons under the age of 18. Keep out of reach of children.

Do not use if blister seal is cut, torn or open.

🧪 Formulation Notes

Fall asleep & stay asleep Wake up feeling refreshed

10 mg melatonin

Triple action time release technology

1 Calming effect with L-Theanine & nighttime herbal blend 2 Fall asleep faster with quick release melatonin 3 Long lasting sleep with time release melatonin

For occasional sleeplessness

Puritan's Pride Tri-Layer Sleep is a triple action, 100% drug-free sleep aid.

Each tablet leverages time-release technology to dissolve each layer at different times throughout the night to help you relax and get a good night's sleep so you can wake up ready to take on the day. Melatonin plays a vital role in the maintenance of circadian rhythm "sleep-wake cycle", sleep induction and sleep duration. L-Theanine interacts with the neurotransmitter GABA, to support a calm and relaxed mood.

Our proprietary Nighttime Herbal Blend includes chamomile, lavender, lemon balm and valerian root extracts.

3 Benefits in one pill Benefit 1 Calming L-Theanine combined with a blend of nighttime herbs chamomile, lavender, lemon balm and valerian root extracts to help you relax and unwind. Benefit 2 Quick release melatonin helps you fall asleep fast. Benefit 3 Time release melatonin works with your body's natural sleep cycle to help you stay asleep.

No artificial flavor, no artificial sweetener, no sugar, no starch, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish. Sodium free.

Suitable for vegetarians.

Additional Information

Not actual size

To reorder item # 25231 www.puritan.com 1-800-645-1030

Puritan’s Pride products are produced from the finest raw materials under stringent quality control standards. State-of-the-art manufacturing and packaging facilities ensure you the highest quality products money can buy. When it comes to your health...choose the best.

Store at room temperature.

Product Details

DSLD Entry Date 2023-05-24
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 285648
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 →

Compare Similar Products

View all L Theanine products →