Melatonin 20 mg
Review before taking
- Melatonin: 20mg is 2.0× the Tolerable Upper Intake Level (10mg)
- 100% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · grounded in 1 source · methodologyMelatonin is used to support sleep-wake cycles, with strong evidence for its efficacy in treating jet lag and certain sleep disorders. However, the 20 mg dosage is significantly higher than typical recommendations. This high concentration may increase the risk of daytime drowsiness and other side effects.
AI-generated summary based on research evidence. Not medical advice.
Safety Alerts
Melatonin: 20mg is 2.0× the Tolerable Upper Intake Level (10mg)
This product received a low safety score because it contains 20mg of melatonin, which is twice the recommended maximum daily limit.
Product Label
Label Data
Supplement Facts — Evidence Check
Other Ingredients
Label Claims — Verification
Product Information
Directions for Use
Suggested usage: Take 1 capsule near bedtime with water. This product is not intended for long-term use. Use beyond 4 consecutive weeks should be only under the supervision of a healthcare practitioner.
Warnings & Precautions
Caution: For adults only at bedtime. This product is not intended for long-term use; use only as directed.
Not for pregnant or nursing women.
May cause drowsiness. Do not use in conjunction with alcoholic beverages, when driving a vehicle, or while operating machinery.
Consult physician if taking medication (especially sedatives and anti-depressants) or have a medical condition (including depression, high blood pressure and epilepsy).
Keep out of reach of children.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Formulation Notes
Melatonin is a potent free radical scavenger naturally produced in the pineal gland and present in high amounts in the gastrointestinal tract. It is involved in many of the body, brain and glandular biological functions including regulation of normal sleep/wake cycles, regulation of the immune system and maintenance of a healthy gastrointestinal lining.
Natural color variation may occur in this product.
Maximum strength Healthy sleep cycle Free radical scavenger Gastrointestinal support
Non-GMO
Vegetarian/Vegan
Made in Canada with globally sourced ingredients.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.
NOW Maximum Strength Melatonin 20 mg has four times the Melatonin as in our 5 mg product.
Crescent H (Halal)
Additional Information
Store in a cool, dry place after opening.
General Health Family owned since 1968.
GMP Quality Assured Crescent H (Halal)
This bottle is made from 100% PCR (post-consumer recycled) resin.
Product Details
Research Evidence
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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.