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Sleep support; Relaxation
Adults with irregular sleep schedules or people who spend much time in artificial light at night.
Adults: take 1 tablet about 1 hour before bedtime; avoid alcohol and activities requiring alertness, and consider consistent bedtime timing for best routine.
Vegetarian; Gluten Free; Soy Free; Sodium Free; Guaranteed no added: sugar, starch, yeast, soy, corn, wheat, dairy, fish, tree nuts, peanuts, egg, fragrance, artificial colors, artificial flavors, preservatives, animal products, crustacean shellfish.
Melatonin is a hormone that helps regulate the sleep-wake cycle by signaling the body that it is time to sleep in response to reduced light.
Caution: May cause drowsiness; avoid driving or alcohol near use because it can intensify sedation.
Vitamin B6 acts as a cofactor in neurotransmitter synthesis, which may influence the body’s natural production of melatonin-related compounds.
Caution: High doses can cause nerve discomfort; stay within suggested use to avoid tingling or numbness.
Calcium supports normal nerve signaling and muscle function, which may contribute to relaxation before sleep.
Caution: Take with food if sensitive to minerals to reduce stomach upset.
Melatonin directly signals the body’s internal clock for sleep, while vitamin B6 supports neurotransmitter pathways involved in melatonin-related chemistry. Calcium contributes to normal nerve and muscle function, complementing a relaxed state before bedtime.
Label Warning: For adult use only at bedtime. Not intended for children, teenagers, or for those who are pregnant or nursing. Consult a physician before use if you take medications or have a medical condition. Stop use and consult a physician if any adverse reactions occur. Do not use with alcohol, when driving, or operating machinery. May cause drowsiness. Limit use to two months, then take a one-week break.
Who should be cautious: People who are pregnant or nursing, under 18, or who have medical conditions such as sleep disorders, mood concerns, seizure history, or who take sedatives or other medications that may cause drowsiness should talk with a healthcare provider before use.
Storage: Store in a dry place at controlled room temperature 68–77°F (20–25°C). Keep out of reach of children.
Many users report deeper sleep, longer duration, and waking refreshed without grogginess.
Customers like the small tablet and the option to use 5 mg or split for 2.5 mg.
A few users felt the strength was low and did not notice help with falling or staying asleep.
There are few other supplements that are as consistently effective at supporting healthy, deep sleep as melatonin. In fact, Melatonin is an integral part in the body’s natural sleep cycle called the circadian rhythm, which controls not only the wake and sleep cycle, but other physiological functions such as blood pressure, digestion and brain-wave states as well. Melatonin is secreted by a small gland located at the base of the brain called the pineal gland, where it is produced by a conversion from serotonin. Serotonin itself is created by the conversion from the amino acid tryptophan, which is often deficient in the diet. The primary stress hormone, cortisol also inhibits melatonin production and absorption, leading to restless sleep and insomnia. Therefore, melatonin supplements are often recommended because they may help support deep, natural sleep and a consistent circadian rhythm cycle.
Adults - Take one tablet an hour before bedtime, as a dietary supplement. Do not exceed daily dose unless recommended by a health care provider.
For adult use only at bedtime. Not intended for use by children, teenagers, pregnant or nursing women. If you are taking any medications or have any medical condition, consult your physician before use. Discontinue use and consult your physician if any adverse reactions occur.
Do not use in conjunction with alcoholic beverages, when driving a vehicle or while operating machinery. This product may cause drowsiness. Limit use to two months with a break of one week. Keep out of reach of children.
Tamper-evident Seal: Do not use product if seal appears tampered with.
Store in a dry place under controlled room temperature: 20º-25℃ (68º-77ºF).
Due to Japanese Customs regulations, a maximum of 1 bottle per order can be imported to Japan.
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.
| Supplement facts | ||
| Serving Size: 1 Tablet | ||
| Amount Per Serving | %Daily Value | |
| Vitamin B6 (as pyridoxine hydrochloride) | 1 mg | 59% |
| Calcium (as dicalcium phosphate) | 54 mg | 4% |
| Melatonin | 5 mg | ** |
| **Daily Value not established. | ||
Microcrystalline cellulose, stearic acid, croscarmellose sodium, vegetable magnesium stearate, silicon dioxide.
Guaranteed no added: Sugar, starch, yeast, soy, corn, wheat, dairy fish, tree nuts, peanuts, egg, fragrance, artificial colors or flavors, preservatives, animal products, crustacean shellfish.
