PlainVitamins

Cramp Bark

by Herb Pharm · liquid · 1 fluid ounce

  • On the market (NIH)
  • UPC 0 90700 00044 8
  • DSLD label 335844
  • Serving 0.7 ml (One squeeze of the dropper)
  • 42 servings

Cramp Bark by Herb Pharm lists one ingredient: 657 mg of cramp bark bark extract per serving of 0.7 ml. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.

What is in Cramp Bark?

Each row as the label prints it, per serving of 0.7 ml. 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).

Cramp Bark: Supplement Facts rows against the market (DSLD label 335844, January 2026 release)
IngredientAmount% DVAmong products listing it
Cramp Bark Bark ExtractExtraction rate 140 mg herb per 0.7 ml, Responsibly wildcrafted657 mgCramp Bark in Cramp Bark against 31 products657 mg per serving; the middle half of products list 70.5 mg to 976.5 mg, the median 300 mg.657 mg

Higher than 65% of 31 products listing cramp bark (median 300 mg). Per day at the most servings: 3,285 mg.

Source: NIH ODS Dietary Supplement Label Database, label 335844 (entered July 24, 2025), 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?

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 to 5 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.

Which products have the closest formulas?

6 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 use Shake well before using Adults: Add 1 squeeze of the dropper bulb to 2 oz. of water or juice, 2 to 5 times per day. Best taken between meals.
Warnings
Keep out of the reach of children
Allergens and what it does not contain
Gluten-free
Storage
Store away from heat & light

Source: label statements in DSLD label 335844.

What else is on the label?

Other ingredients: Cane Alcohol, Water, Distilled, Glycerin.

How many labels does Cramp Bark have?

13 labels are on file under this name since September 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 335844 (current) Entered July 24, 2025 · on the market · 1 fluid ounce · UPC 0 90700 00044 8
  2. Label 334516 Entered July 24, 2025 · on the market · 4 fluid ounces · UPC 0 90700 00141 4
  3. Label 210143 Entered November 21, 2019 · on the market · 4 fl. Oz. · UPC 0 90700 00141 4
  4. Label 200922 Entered April 25, 2019 · on the market · 1 fl. Oz. · UPC 0 90700 00044 8
  5. Label 70807 Entered February 24, 2017 · off the market April 30, 2019 · 4 fl. Oz. · UPC 0 90700 00141 4
  6. Label 58535 Entered April 22, 2016 · off the market July 17, 2018 · 1 fl. Oz. · UPC 0 90700 00044 8
  7. Label 50553 Entered September 25, 2015 · off the market March 8, 2016 · 1 fl. Oz. · UPC 0 90700 00044 8
  8. Label 45968 Entered May 22, 2015 · off the market February 6, 2017 · 4 fl. Oz. · UPC 0 90700 00141 4
  9. Label 42677 Entered February 25, 2015 · off the market August 25, 2015 · 1 fl. Oz. · UPC 0 90700 00044 8
  10. Label 39450 Entered November 25, 2014 · off the market April 19, 2015 · 4 fl. Oz. · UPC 0 90700 00141 4
  11. Label 39449 Entered November 25, 2014 · off the market February 17, 2015 · 1 fl. Oz. · UPC 0 90700 00044 8
  12. Label 32646 Entered April 25, 2014 · off the market October 29, 2014 · 1 fluid ounce · UPC 0 90700 00044 8
  13. Label 23375 Entered September 25, 2013 · off the market October 29, 2014 · 4 fl. Oz. · UPC 0 90700 00141 4

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

Who makes it?

The label names Herb Pharm (manufacturer), Williams, OR. All Herb Pharm products.

Where next?