PlainVitamins

Core Hard

by Core Nutritionals · capsule · 84 capsules

  • Off the market since April 2017 (NIH)
  • UPC 8 50757 00132 0
  • DSLD label 49876
  • Serving 1 capsule; amounts per 3 capsules
  • 28 servings

Core Hard by Core Nutritionals lists 5 ingredients, 5 with an amount per serving of 3 capsules, such as 75 mg of 5-etioallocholen-3b,7b,17b-triol, 600 mg of KSM-66(R) full-spectrum ashwagandha root extract, 40 mg of N-coumaroyldopamine and 200 mg of 3,3'-diindolylmethane. Its current label entered the NIH Dietary Supplement Label Database on August 25, 2015.

What is in Core Hard?

Each row as the label prints it, per serving of 3 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).

Core Hard: Supplement Facts rows against the market (DSLD label 49876, January 2026 release)
IngredientAmount% DVAmong products listing it
5-Etioallocholen-3b,7b,17b-Triol75 mg
KSM-66(R) Full-Spectrum Ashwagandha root extractas WithanolidesKSM-66(R) Full-Spectrum Ashwagandha root extract (Form: 5% Withanolides)600 mgAshwagandha in Core Hard against 1,646 products600 mg per serving; the middle half of products list 125 mg to 500 mg, the median 250 mg.600 mg

Higher than 79% of 1,646 products listing ashwagandha (median 250 mg). Per day at the most servings: 2,400 mg.

N-Coumaroyldopamine40 mg
3,3'-Diindolylmethane200 mgDiindolylmethane in Core Hard against 425 products200 mg per serving; the middle half of products list 100 mg to 200 mg, the median 100 mg.200 mg

Higher than 67% of 425 products listing diindolylmethane (median 100 mg). Per day at the most servings: 800 mg.

L-Theanine300 mgTheanine in Core Hard against 1,602 products300 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.300 mg

Higher than 92% of 1,602 products listing theanine (median 100 mg). Per day at the most servings: 1,200 mg.

Source: NIH ODS Dietary Supplement Label Database, label 49876 (entered August 25, 2015), 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:

  • Its 300 mg of L-theanine (filed by NIH under theanine) is higher than 92% of the 1,602 theanine products that print an amount; 73 list more.

The NIH database records 2 to 4 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
Directions: Take 1 capsule 2-3 times per day. For optimal results, take 1 capsule upon waking, 1 capsule midday and 1 capsule before bed. Do not exceed 4 capsules in a 24 hour period. For best results, use for 4 to 8 weeks. Do not use for longer than 8 continuous weeks without taking a 4 week break.
Warnings
Warning: This product is only intended to be consumed by healthy individuals 18 years of age or older.
Discontinue use and consult your health care professional if you experience any adverse reaction to this product. Discontinue use 2 weeks prior to surgery. Do not exceed recommended serving. Do not use if seal is broken or missing.
Keep out of reach of children.
This product is not recommended for pregnant or nursing women.Before using this product consult with your physician if you are using any prescription or over the counter medication or if you have any pre-existing medical condition including but not limited to: high or low blood pressure, cardiac arrhythmia, stroke, heart, liver, kidney or thyroid disease, seizure discorder, psychiatric disease, diabetes, difficulty urinating due to prostate enlargement or if you are taking a MAOI (Monoamine Oxidase Inhibitor) or any other medication.
Allergens and what it does not contain
Caffeine Free
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 49876.

What else is on the label?

Other ingredients: Gelatin, Magnesium Stearate, Silicon Dioxide, FD&C Blue, Titanium Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Core Nutritionals; Made in the USA {American Flag}.

How many labels does Core Hard have?

One label is on file, entered on August 25, 2015.

  1. Label 49876 (current) Entered August 25, 2015 · off the market April 19, 2017 · 84 capsules · UPC 8 50757 00132 0

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

Who makes it?

The label names Core Nutritionals, LLC. (distributor), Arlington, VA. All Core Nutritionals products.

Where next?