🟢 100/100

This product looks safe

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

Product Label

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Label Data

2 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

📊 Market median: 300.0mg (214 products) 📚 23 studies (Tier A: 0, B: 6)
This product: 400mg
300 mg
📊 Market median: 500.0mg (70 products)
Median 500.0mg This product: 300mg
Hops strobile Complex
100 mg
Lemon Balm leaf Complex
100 mg
Gamma-Aminobutyric Acid
100 mg
0.3 mg
📊 Market median: 3.0mg (984 products) 📚 236 studies (Tier A: 2, B: 109)
This product: 0.3mg UL 10mg

Other Ingredients

Maltodextrin Microcrystalline Cellulose Water Silicon Dioxide Magnesium Stearate

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (100% of products) Structure/Function (90% of products) Nutrient (61% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) No Allergies Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested use: Adults take 2 capsules 20 to 30 minutes prior to bedtime or as directed by your qualified healthcare professional.

⚠️ Warnings & Precautions

Warning: This product contains Melatonin which may cause drowsiness or sleepiness, do not take when driving or operating heavy machinery, or consuming alcohol.

Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication (especially MAO inhibitors such as iproniazid) or have a medical condition (especially asthma, MS, Lymphoma, leukemia, diabetes, epilepsy, or autoimmune disease); if adverse reactions occur, discontinue use.

Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication (especially MAO inhibitors such as iproniazid) or have a medical condition (especially asthma, MS, Lymphoma, leukemia, diabetes, epilepsy, or autoimmune disease); if adverse reactions occur, discontinue use.

Melatonin is for occasional short-term use only. Use only as directed and do not exceed suggested intake. This product should never substitute healthy sleep practices. This product is for occasional sleeplessness.

Keep out of the reach of children.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

Jarrow Formulas Sleep Optimizer combines herbs and amino acids to help you fall asleep and support a regular sleep cycle. GABA, lemon balm and L-tryptophan promote relaxation. The combination of valerian and hops reduces latency to help you fall asleep faster. Melatonin, a brain hormone, helps reduce sleep latency and supports a healthy sleep cycle.

Vegan

Promotes relaxation and a healthy sleep cycle

Gluten Free

No wheat, gluten, soybeans, dairy, egg, fish/shellfish, peanuts/tree nuts or sesame.

Herbal & amino acid blend

Additional Information

Store in a cool, dry place.

Sleep support

Product Details

UPC / SKU 7 90011 29049 0
DSLD Entry Date 2024-05-23
Product Type Other Combinations
Form Capsule
DSLD ID 307735
Data Updated 2026-04-11

Research Evidence

29 Research Sources
48 Avg Quality Score
19 Rct
5 Meta Analysis
3 Systematic Review
2 Clinical Trial
B Prebiotic and probiotic supplementation and the tryptophan-kynurenine pathway: A systematic review and meta analysis
Meta Analysis Neuroscience and biobehavioral reviews 2021
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2001
B Tryptophan and 5-hydroxytryptophan for depression
Systematic Review The Cochrane database of systematic reviews 2002
B The impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression
Meta Analysis Nutrition reviews 2022
B No effects of acute tryptophan depletion on anxiety or mood in weight-recovered female patients with anorexia nervosa
Rct European archives of psychiatry and clinical neuroscience 2023
C The association between tryptophan levels and postpartum mood disorders: a systematic review and meta-analysis
Meta Analysis BMC psychiatry 2022
C A systematic review of the effect of L-tryptophan supplementation on mood and emotional functioning
Systematic Review Journal of dietary supplements 2021
C Comparison between Acupuncture and Nutraceutical Treatment with Migratens® in Patients with Fibromyalgia Syndrome: A Prospective Randomized Clinical Trial.
Rct Nutrients
C Intake of Lactiplantibacillus plantarum HEAL9 Improves Cognition in Moderately Stressed Subjects: A Randomized Controlled Study.
Rct Nutrients
C Are tryptophan and 5-hydroxytryptophan effective treatments for depression? A meta-analysis
Meta Analysis The Australian and New Zealand journal of psychiatry 2002
View all evidence for Tryptophan →

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