PlainVitamins

Extra Strength Tranquil Sleep

by Natural Factors Stress-Relax · tablet or pill · 60 chewable tablets

  • On the market (NIH)
  • UPC 0 68958 02849 1
  • DSLD label 282191
  • Serving 1 tablet
  • 60 servings

Extra Strength Tranquil Sleep by Natural Factors Stress-Relax lists 3 ingredients, 3 with an amount per serving of 1 tablet, such as 200 mg of suntheanine L-theanine, 15 mg of 5-htp and 6 mg of melatonin, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on January 23, 2023.

What is in Extra Strength Tranquil Sleep?

Each row as the label prints it, per serving of 1 tablet. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Extra Strength Tranquil Sleep: Supplement Facts rows against the market (DSLD label 282191, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Carbohydrates2 g1%Carbohydrate in Extra Strength Tranquil Sleep against 21,979 products2 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.2 g

58% of 21,979 products listing carbohydrate give more (median 3 g).

Total Sugars1 gSugar in Extra Strength Tranquil Sleep against 11,807 products1 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.1 g

69% of 11,807 products listing sugar give more (median 2 g).

added Sugars1 g2%
Suntheanine L-Theanine200 mgTheanine in Extra Strength Tranquil Sleep against 1,602 products200 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.200 mg

Higher than 61% of 1,602 products listing theanine (median 100 mg).

5-Htpas Griffonia simplicifolia15 mg5-HTP in Extra Strength Tranquil Sleep against 676 products15 mg per serving; the middle half of products list 50 mg to 100 mg, the median 100 mg.15 mg

93% of 676 products listing 5-HTP give more (median 100 mg).

Melatonin6 mgMelatonin in Extra Strength Tranquil Sleep against 1,557 products6 mg per serving; the middle half of products list 2 mg to 5 mg, the median 3 mg.6 mg

Higher than 83% of 1,557 products listing melatonin (median 3 mg).

Source: NIH ODS Dietary Supplement Label Database, label 282191 (entered January 23, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 93% of the 676 products that print an amount of 5-HTP list more than its 15 mg of 5-htp (filed by NIH under 5-HTP) (median 100 mg).

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

5 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested usage: Chew 1 tablet at bedtime or as directed by a health professional.
Warnings
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication or supplements with serotonergic activity (specifically those with SSRIs, MOAs, or depressant/sedative affect), have a medical condition, or anticipate a surgery.
Keep out of reach of children.
Sealed for your protection. Do not use if seal is broken.
Allergens and what it does not contain
Contains no artificial colors, preservatives, or sweeteners; no dairy, wheat, gluten, yeast, soy, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 282191.

What else is on the label?

Other ingredients: Cane Sugar, Stearic Acid, Xylitol, Silica, Flavor, Citric Acid, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): ISURA Non-GMO Mass Spec Documentation Lab tested.

How many labels does Extra Strength Tranquil Sleep have?

2 labels are on file under this name since May 22, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 282191 (current) Entered January 23, 2023 · on the market · 60 chewable tablets · UPC 0 68958 02849 1
  2. Label 220755 Entered May 22, 2020 · off the market February 10, 2022 · 60 chewable tablets · UPC 0 68958 02849 1

DSLD also links this label to: Tranquil Sleep Extra Strength (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Natural Factors Canada (manufacturer). All Natural Factors Stress-Relax products.

Where next?