Melatonin is an amine hormone secreted by the pineal gland in the brains of mammals and humans, often referred to as the "sleep hormone." Its secretion is strictly regulated by ambient light, exhibiting a "suppression during the day, promotion during the night" characteristic: secretion is suppressed during the day and increases in the dark at night, peaking in the early morning. This provides the body with a reliable "internal time signal," regulating the body's circadian rhythm and sleep-wake cycle.

What are the core functions of melatonin?

**Regulating the circadian rhythm (core function):** Naturally secreted by the pineal gland, secretion increases in the dark, sending a "night, prepare for sleep" signal to the body, correcting disordered sleep patterns, and improving circadian rhythm reversals caused by staying up late, jet lag, or shift work.

**Gently shortening sleep onset time:** Reduces brain nerve excitability, quickly inducing drowsiness and solving difficulty falling asleep; prolongs deep sleep duration, reduces nighttime awakenings, frequent dreams, and light sleep, improving sleep quality. Natural Antioxidant Effects:
Penetrating cell membranes, it eliminates free radicals, reduces oxidative damage, helps protect the optic nerve and brain cells, and relieves fatigue.

Mildly Regulates Mood and Immunity:
Stabilizes endocrine function and alleviates anxiety and irritability caused by disrupted sleep patterns; moderately assists in regulating the body's immune system.

Core Advantages of Melatonin:
Human-derived, Extremely Low Addiction:
It is a hormone naturally present in the body; short-term, standardized use will not lead to strong addiction or drug tolerance like tranquilizers.

Gentle and Non-Nervous System-Focused:
It does not force sleep; it only regulates sleep signals. After taking a normal dose, dizziness, fatigue, or mental fog are unlikely the next day.

Widely Suitable for:
Suitable for people who travel across time zones, those who stay up late, those who have difficulty falling asleep after using their phones before bed, those with irregular sleep patterns, and those with light sleep for short-term conditioning.

Higher safety, fewer side effects. Adverse reactions are mild at compliant dosages; only mild drowsiness and headache may occur with overdose, which resolves upon discontinuation of the medication.

Storage Conditions: Melatonin is sensitive to light and heat. Proper storage can prevent degradation of the active ingredient:
Environment: Sealed, protected from light, cool and dry place (recommended <25℃), store in the original packaging/bottle, do not transfer to transparent containers.

Avoid: Direct sunlight, humid environments in the bathroom/refrigerator (unless the instructions specifically state refrigeration is required), high temperatures near heaters/stoves.

Shelf Life: Unopened, the shelf life is usually 2-3 years, refer to the packaging label; once opened, it is recommended to use within 6 months. Do not use after the expiration date.

Precautions for Use: Contraindications/Use with Caution:
Pregnant women, breastfeeding mothers, children and adolescents under 18 years of age-safety data is insufficient, may affect development and hormone secretion.

Patients with autoimmune diseases (rheumatoid arthritis, lupus erythematosus, etc.), hyperthyroidism, epilepsy, severe depression-may worsen the condition or affect treatment.

Patients with hepatic or renal insufficiency-dosage should be reduced or use should be avoided.

Drug/Substance Interactions
Do not take with alcohol-it may worsen drowsiness and dizziness the following day.

Avoid taking with caffeine or smoking-nicotine and caffeine can weaken the effect.

⚠️ Concomitant Use Warning: Taking with anticoagulants (warfarin), antihypertensive drugs, hypoglycemic drugs, birth control pills, antidepressants such as fluvoxamine, or benzodiazepine hypnotics may affect efficacy or increase side effects. Consult a doctor first.

Our Advantages

1. Quality: Every product undergoes rigorous testing by our professionals and is ISO certified.

2. Price: As we are a factory, our prices are significantly lower than our competitors. Discounts are available for bulk orders.

3. Shipping: We have ample stock and can ship within 24 hours of payment.

4. Comprehensive reshipment policy to maximize customer benefits and minimize potential losses.

5. Excellent after-sales service: We track your package status until delivery and make every effort to resolve any issues you encounter.

Hot Tags: 99% high-purity research peptides Melatonin 10mg/vial, China 99% high-purity research peptides Melatonin 10mg/vial manufacturers, suppliers, factory