ySTRESS

by Essential Source · capsule · 30 capsules

  • On the market (NIH)
  • UPC 7 52830 26948 4
  • DSLD label 267378
  • Serving 1 capsule
  • 30 servings

ySTRESS by Essential Source lists 12 ingredients, 5 with an amount per serving of 1 capsule, such as 12 mg of vitamin B6, 140 mcg of L-5-methyltetrahydrofolate, 2,500 mcg of vitamin B12 and 25 mcg of biotin; 7 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on June 16, 2022.

What is in ySTRESS?

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

ySTRESS: Supplement Facts rows against the market (DSLD label 267378, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B6as Pyridoxal 5-Phosphate12 mg1,667%Vitamin B6 in ySTRESS against 15,277 products12 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg12 mg

Higher than 66% of 15,277 products listing vitamin B6 (median 6 mg).

L-5-Methyltetrahydrofolate140 mcg35%Folate in ySTRESS against 7,022 products140 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.140 mcg

84% of 7,022 products listing folate give more (median 400 mcg).

Vitamin B12as Methylcobalamin2,500 mcg4,167%

This amount is far outside what other labels list for vitamin B12, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Biotin25 mcg8%Biotin in ySTRESS against 9,447 products25 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg25 mcg

92% of 9,447 products listing biotin give more (median 200 mcg).

Magnesiumas Magnesium Oxide100 mg25%Magnesium in ySTRESS against 14,003 products100 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg100 mg

Higher than 51% of 14,003 products listing magnesium (median 86 mg).

Proprietary Blend505 mg
Sensorilin the blend, no amount given
Schisandra berry extractin the blend, no amount given
L-Theaninein the blend, no amount given
Gamma-Aminobutyric Acidin the blend, no amount given
Rhodiola rosea extractin the blend, no amount given
Choline Bitartratein the blend, no amount given
Inositolin the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 267378 (entered June 16, 2022), 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:

  • 92% of the 9,447 products that print an amount of biotin list more than its 25 mcg of biotin (median 200 mcg).

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?

1 product lists 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 Use: Take one capsule daily. Best taken on empty stomach.
Allergens and what it does not contain
Allergens: None
100% gluten free 100% Non-GMO
Storage
Store in a cool dry place.
Storage: Store this product in a cool dry place below 23.5 degrees C (75 degrees F). Keep in a place with relative humidity below 30% RH. Keep product away from direct light.

Source: label statements in DSLD label 267378.

What else is on the label?

Other ingredients: Cellulose, Nu-Flow, Nu Mag.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Good Manufacturing Practice Consistent Quality This product was manufactured in a GMP approved facility; Made in USA.

How many labels does ySTRESS have?

One label is on file, entered on June 16, 2022.

  1. Label 267378 (current) Entered June 16, 2022 · on the market · 30 capsules · UPC 7 52830 26948 4

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

Who makes it?

The label names Essential Source, Inc. (distributor), Phoenix, AZ. All Essential Source products.

Where next?