Sleep Guard Capsules

by Perque · capsule · 180 vegetable capsules

  • On the market (NIH)
  • DSLD label 241006
  • Serving 1 vegetable capsule
  • 180 servings

Sleep Guard Capsules by Perque lists 7 ingredients, 7 with an amount per serving of 1 vegetable capsule, such as 3 mg of vitamin B-6, 3 mg of riboflavin, 500 mg of L-tryptophan and 4 mg of silica. Its current label entered the NIH Dietary Supplement Label Database on January 22, 2021.

What is in Sleep Guard Capsules?

Each row as the label prints it, per serving of 1 vegetable capsule. 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).

Sleep Guard Capsules: Supplement Facts rows against the market (DSLD label 241006, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B-6as Pyridoxal 5-PhosphateVitamin B-6 (Form: as Pyridoxal 5'-Phosphate)3 mg170%Vitamin B6 in Sleep Guard Capsules against 15,277 products3 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg3 mg

64% of 15,277 products listing vitamin B6 give more (median 6 mg).

Riboflavinas Riboflavin 5-PhosphateRiboflavin (Form: as Riboflavin 5'-Phosphate)3 mg130%Riboflavin in Sleep Guard Capsules against 9,824 products3 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg3 mg

54% of 9,824 products listing riboflavin give more (median 4 mg).

L-Tryptophan500 mgTryptophan in Sleep Guard Capsules against 605 products500 mg per serving; the middle half of products list 55 mg to 471 mg, the median 123 mg.500 mg

Higher than 76% of 605 products listing tryptophan (median 123 mg).

Silicaas EquisetumSilica (Form: as Equisetum Genus: Equisetum Note: botanical)4 mg
Croscarmellose3 mg
Magnesiumas C16 Alkyls, C18 AlkylsMagnesium (Form: as C16 Alkyls (Form: from whole untreated Palm PlantPart: fruit and leaf), & C18 Alkyls (Form: from whole, untreated Palm PlantPart: fruit and leaf))5 mg1%*Magnesium in Sleep Guard Capsules against 14,003 products5 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg5 mg

96% of 14,003 products listing magnesium give more (median 86 mg).

Vegetable Capsule120 mg

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 241006 (entered January 22, 2021), version 9.4.0. See the label on DSLD. 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:

  • 96% of the 14,003 products that print an amount of magnesium list more than its 5 mg of magnesium (median 86 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.

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
Directions: One capsule daily about 30 min before bedtime, or as recommended by a health care professional.
Warnings
Keep out of reach of children.
Do not use product if the tamper-resistant shrink band around the cap or the inner seal beneath the cap appears to have been tampered with or is missing.
Warning: Pregnant and nursing mothers need to check with their health professional before taking supplements.
Allergens and what it does not contain
Does not contain: Citrus, MSG, wheat, gluten, corn, starch, sugar, soy, yeast, zein, sulfates, phosphates (other than coenzymes), preservatives, casein or other milk derivatives. NO GMO's; NO toxic minerals or metals
Storage
Must be stored with cap on tightly in a cool, dry place.

Source: label statements in DSLD label 241006.

What else is on the label?

Other ingredients: None.

How many labels does Sleep Guard Capsules have?

2 labels are on file under this name since December 26, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 241006 (current) Entered January 22, 2021 · on the market · 180 vegetable capsules
  2. Label 241000 Entered December 26, 2020 · on the market · 90 vegetable capsules

DSLD also links this label to: Thyroid Support (image difference, same product), Thyroid Support (image difference, same product), Thyroid Support (image difference, same product), Thyroid Support (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 Perque Integrative Health (manufacturer, distributor), Ashburn, VA. All Perque products.

Where next?