Is the metonin synthetic or animal based?

I am a retired research chemist. invariably, melatonin is derived from monoclonal yeast bread to produce large amounts of melatonin. Whereas typical yeast will be typically low in melatonin, taking standard yeast is not the answer. The monoclonal yeast are designed to produce large amounts of melatonin, which is then extracted via a digestion in caustic, then liquid/liquid extracted. The chemical synthetic route to melatonin is costly and atypical of any product. Whereas I don't actually know the disposition of this particular product, it is unlikely synthetic.

Why does the 10mg taste so bitter? The 5 mg has Avery pleasant flavor.

Agreed the 10mg taste pretty bad. Not only are they bitter, but they have menthol in them now? I could've sworn the 10mg didn't use to have it, but this bottle I just purchased does. The 5mg doesn't have it so I guess I'm just gonna stock up on those. I was shocked when I took them last night though, as it says no where on the front of the bottle that it's not the same strawberry as the 5mg. But it's listed in the ingredients. Won't be buying again.

I've read that natural melatonin is normally harvested from animal glands. Is your product made with synthetic melatonin or the animal gland kind?

We use 100% synthetic melatonin for all of our melatonin products. You will find on the front of our label it will state "vegetarian" and have the carrot symbol printed above it. Best of Health, Natrol Consumer Relations

Are these made in the USA?

The Melatonin 10mg TR is manufactured in the USA in our NSF/GMP certified facility in Chatsworth, California. Best of Health, Natrol Consumer Relations

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Natrol Melatonin 3 Mg Time Release, Dietary Supplement to Minimize Wake Ups, Nighttime Sleep Aid, 100 Tablets, Up to a 100-Day Supply

Product ID: 2315982

Details

Brand
Natrol
Diet Type
Vegetarian
Flavor
No Artificial
Item Form
Tablet
Item Weight
8 ounces
Item dimensions L x W x H
3.5 x 2 x 2

⏳Dual-layer time release tech

⚡Sleep onset in 15 minutes

🌿100% drug-free & non-habit forming

¥2669

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Description

🌙 Unlock your best night’s sleep—because every morning deserves a fresh start!

NON HABIT FORMING DRUG FREE - Enjoy peace of mind with a natural supplement that supports sleep without dependency risks.
PERFECT FOR MODERN LIFESTYLES - Ideal for shift workers, travelers, and busy professionals needing reliable, restorative sleep.
100 DAY SUPPLY OF RESTFUL NIGHTS - 100 tablets per bottle, designed to last over three months of consistent, quality sleep.
CLINICALLY TRUSTED SLEEP SUPPORT - Formulated with 3 mg melatonin and 10 mg Vitamin B6, recommended by doctors for natural sleep aid.
FALL ASLEEP FAST STAY ASLEEP LONGER - Quick dissolving outer layer plus controlled release inner layer minimizes wake-ups for uninterrupted rest.

Natrol Melatonin 3 mg Time Release Tablets offer a scientifically designed dual-layer formula that promotes rapid sleep onset and sustained sleep throughout the night. With 100 drug-free, non-habit forming tablets per bottle, this supplement supports occasional sleeplessness and is trusted by doctors as America’s #1 drug-free sleep aid brand. Perfect for adults seeking natural, effective sleep support to power through demanding modern schedules.

Specifications

ASIN	B00024CKTS
ASIN	B00024CKTS
Age Range Description	Adult
Best Sellers Rank	#5,909 in Health & Household ( See Top 100 in Health & Household ) #57 in Sleep & Snoring Aids #61 in Herbal & Nutritional Sleep Supplements
Brand Name	Natrol
Color	N/a
Container Type	Canister
Customer Reviews	4.6 4.6 out of 5 stars (8,573)
Date First Available	January 10, 2004
Department	Health and Beauty>Health and Wellness
Diet Type	Vegetarian
Dosage Form	Tablet
Flavor	No Artificial flavor
Global Trade Identification Number	00047469004583
Is Discontinued By Manufacturer	No
Item Dimensions	3.5 x 2 x 2 inches
Item Form	Tablet
Item Nype Name	food
Item Weight	8 ounces
Item model number	047469004583
Manufacturer	Natrol
Manufacturer	Natrol
Manufacturer Part Number	047469004583
Material Features	Vegetarian
Material Type Free	NO: Milk, Egg, Fish, Crustacean Shellfish, Tree Nuts, Peanuts, Wheat, Soybeans, Yeast
Model Name	Melatonin Time Release Tablets, 3mg
Model Number	047469004583
Number of Items	1
Primary Supplement Type	Melatonin
Product Benefits	Sleep Support
Product Dimensions	3.5 x 2 x 2 inches; 8 ounces
Special Ingredients	Melatonin
Supplement Formulation	Individual Supplement
Total Servings Per Container	100
UPC	047469004583
Unit Count	100 Count

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¥2669

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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