PlainVitamins

NeuroRelax

by Karuna · capsule · 120 vegetarian capsules

  • On the market (NIH)
  • DSLD label 24763
  • Serving 4 capsules
  • 30 servings

NeuroRelax by Karuna lists 7 ingredients, 7 with an amount per serving of 4 capsules, such as 500 mg of DL-phenylalanine, 300 mg of St. John's wort, 200 mg of jujube and 200 mg of california poppy. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2013.

What is in NeuroRelax?

Each row as the label prints it, per serving of 4 capsules. 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).

NeuroRelax: Supplement Facts rows against the market (DSLD label 24763, January 2026 release)
IngredientAmount% DVAmong products listing it
DL-Phenylalanine500 mgDL-phenylalanine in NeuroRelax against 155 products500 mg per serving; the middle half of products list 135 mg to 500 mg, the median 300 mg.500 mg

Higher than 65% of 155 products listing DL-phenylalanine (median 300 mg). Per day at the most servings: 1,000 mg.

St. John's Wortas hyperforin, HypericinSt. John's Wort (Form: standardized to 3% hyperforin, and 0.3% hypericin) Genus: Hypericum Species: perforatum300 mgSt. John's Wort in NeuroRelax against 338 products300 mg per serving; the middle half of products list 250 mg to 450 mg, the median 300 mg.300 mg

37% of 338 products listing St. John's wort give more (median 300 mg). Per day at the most servings: 600 mg.

JujubeJujube PlantPart: Seed Genus: Zizyphys Species: jujuba Note: 2% extract200 mgJujube in NeuroRelax against 115 products200 mg per serving; the middle half of products list 50 mg to 475 mg, the median 100 mg.200 mg

Higher than 58% of 115 products listing jujube (median 100 mg). Per day at the most servings: 400 mg.

California Poppy200 mgCalifornia Poppy in NeuroRelax against 40 products200 mg per serving; the middle half of products list 43.75 mg to 558 mg, the median 200 mg.200 mg

48% of 40 products listing california poppy give more (median 200 mg). Per day at the most servings: 400 mg.

Passion floweras FlavonoidsPassion flower (Form: standardized to contain at least 4% flavonoids) Genus: Passiflora Species: incarnata200 mgPassionflower in NeuroRelax against 562 products200 mg per serving; the middle half of products list 40 mg to 200 mg, the median 100 mg.200 mg

Higher than 70% of 562 products listing passionflower (median 100 mg). Per day at the most servings: 400 mg.

SkullcapSkullcap Genus: Scutellaria Species: lateriflora Note: 4:1 extract200 mgSkullcap in NeuroRelax against 146 products200 mg per serving; the middle half of products list 50 mg to 443.75 mg, the median 142.5 mg.200 mg

Higher than 55% of 146 products listing skullcap (median 142.5 mg). Per day at the most servings: 400 mg.

Golden Root150 mgRhodiola in NeuroRelax against 945 products150 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.150 mg

Higher than 57% of 945 products listing rhodiola (median 100 mg). Per day at the most servings: 300 mg.

RosavinRosavin Note: per 150 mg herb4 mg

Source: NIH ODS Dietary Supplement Label Database, label 24763 (entered August 23, 2013), 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records 2 servings 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
Suggested use for adults: Two capsules twice daily, away from meals, or as directed by your health care practitioner.
Warnings
Warning: Do not use if pregnant, or with MAO inhibitors. If you are pregnant, trying to become pregnant, nursing, or taking any drugs or medications consult your physician before taking. St. John's Wort may cause undesirable reactions when combined with certain drugs or prescription medications.
Notice: Avoid excessive exposure to UV irradiation (e.g., sunlight; tanning) when using this product.
Storage
Keep in a cool, dry place, tightly capped.

Source: label statements in DSLD label 24763.

What else is on the label?

Other ingredients: Vegetarian Capsule, Cellulose, Silica, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): KARUNA(R) RESPONSIBLE NUTRITION(TM).

How many labels does NeuroRelax have?

One label is on file, entered on August 23, 2013.

  1. Label 24763 (current) Entered August 23, 2013 · on the market · 120 vegetarian capsules

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

Who makes it?

The label names Karuna Corporation (manufacturer), Novato, CA. All Karuna products.

Where next?