🟢 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

0.5 mL Serving Size
100 Servings
Other Combinations Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

1760 mcg
📊 Market median: 3.0mg (984 products) 📚 236 studies (Tier A: 2, B: 109)
This product: 1.76mg UL 10mg

Other Ingredients

Ethanol Glycerin Water, Purified

Label Claims — Verification

All Other
Structure/Function
All Other (100% of products) Structure/Function (86% of products) Nutrient (7% of products)

Target Groups

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

Product Information

📋 Directions for Use

Directions for use: Adults: Spray 4-22 times daily under the tongue (4, 11, and 22 sprays provide approximately 1.5, 5, and 10 mg of melatonin, respectively) or as directed by your healthcare practitioner. Sensitivity to melatonin is different from person to person. Take once a day, at or before bedtime. For jet lag: Take once a day at bedtime after darkness has fallen, while traveling and at destination, until adaptation to the new daily pattern on occasional short-term use. For sleep restriction / altered sleep schedule, for delayed sleep phase disorder, and to restore sleep / wake cycle: consult a healthcare practitioner for use beyond 4 weeks or if symptoms persist for more than 4 weeks (chronic insomnia).

⚠️ Warnings & Precautions

Cautions and warnings: Consumption with alcohol, other medications, or natural health products with sedative properties is not recommended. Consult a healthcare practitioner prior to use if you are taking anticoagulants, anticonvulsants, blood-pressure medications, immunosuppressive medications, sedatives, hypnotic or psychotropic medications, or steroids.

Consult a healthcare practitioner prior to use if you have asthma, cardiovascular disease, chronic kidney disease, depression, diabetes or hypoglycemia, hormonal disorder, immune system disease, liver disease, migraine, or seizure disorder.

Contraindications: Do not use if you are pregnant or breast-feeding.

Do not drive or use machinery for 5 hours after taking melatonin.

Known adverse reactions: Mild gastrointestinal symptoms (nausea, vomiting, or cramping) have been known to occur; in which case, discontinue use.

Rare allergic reactions have been known to occur; in which case, discontinue use.

Do not use if seal is broken.

Keep out of reach of children.

🧪 Formulation Notes

Liquid Melatonin SAP helps increase the total sleep time in people suffering from sleep restriction or altered sleep schedule. Liquid Melatonin SAP helps to reduce the effects of jet lag (e.g. daytime fatigue, sleep disturbance) for people travelling by plane easterly across two or more time zones. Liquid Melatonin SAP helps reset the body's sleep / wake cycle.

All ingredients listed for this product lot number have been tested by a third-party laboratory for identity, potency, and purity.

Contains no: Gluten, soy, wheat, corn, eggs, dairy, yeast, citrus, preservatives, artificial flavor or color, starch, or sugar.

Color an smell may vary from one lot to another.

Sleep support

Additional Information

NPN 80066308

Product Details

UPC / SKU 8 56711 21119 4
DSLD Entry Date 2023-01-23
Product Type Other Combinations
Form Liquid
Brand NFH
DSLD ID 273400
Data Updated 2026-04-11

Research Evidence

291 Research Sources
55 Avg Quality Score
129 Meta Analysis
93 Systematic Review
51 Rct
11 Clinical Trial
2 Other
2 Regulatory Source
1 Openfda Safety
A Interventions for preventing delirium in hospitalised non-ICU patients
Meta Analysis The Cochrane database of systematic reviews 2016
A Melatonin for preoperative and postoperative anxiety in adults
Meta Analysis The Cochrane database of systematic reviews 2020
A Effect of melatonin on quality of life and symptoms in patients with cancer: a systematic review and meta-analysis of randomised controlled trials
Meta Analysis BMJ open 2022
B Pharmacological interventions for prevention of weight gain in people with schizophrenia
Meta Analysis The Cochrane database of systematic reviews 2022
B Melatonin for pre- and postoperative anxiety in adults
Meta Analysis The Cochrane database of systematic reviews 2015
B Prevention of depression in adults with long-term physical conditions
Meta Analysis The Cochrane database of systematic reviews 2021
B Comparative effects of pharmacological interventions for the acute and long-term management of insomnia disorder in adults: a systematic review and network meta-analysis
Systematic Review Lancet (London, England) 2022
B Does melatonin administration reduce the incidence of postoperative delirium in adults? Systematic review and meta-analysis
Meta Analysis BMJ open 2023
B Second-generation antidepressants for preventing seasonal affective disorder in adults
Meta Analysis The Cochrane database of systematic reviews 2015
B Interventions for preventing type 2 diabetes in adults with mental disorders in low- and middle-income countries
Meta Analysis The Cochrane database of systematic reviews 2021
View all evidence for Melatonin →

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