PlainVitamins

Cramp Bark Extra

by Vitanica · capsule · 60 vegetarian capsules

  • On the market (NIH)
  • UPC 7 08118 02025 4
  • DSLD label 302786
  • Serving 1 to 3 capsules; amounts per 3 capsules
  • 20 servings

Cramp Bark Extra by Vitanica lists 11 ingredients, 11 with an amount per serving of 3 capsules, such as 750 mg of vitamin C, 75 IU of vitamin E, 150 mg of vitamin B3 and 40 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on February 22, 2024.

What is in Cramp Bark Extra?

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).

Cramp Bark Extra: Supplement Facts rows against the market (DSLD label 302786, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Calcium AscorbateCalcium Ascorbate Buffered750 mg1,250%Vitamin C in Cramp Bark Extra against 18,583 products750 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg750 mg

Higher than 90% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 3,000 mg. 1.5 times the adult UL a day.

Vitamin Eas D-Alpha-Tocopheryl Succinate75 IU250%Vitamin E in Cramp Bark Extra against 6,459 products75 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.75 IU

Higher than 69% of 6,459 products listing vitamin E (median 30 IU). Per day at the most servings: 300 IU.

Vitamin B3as Inositol Hexaniacinate150 mg750%Niacin in Cramp Bark Extra against 12,413 products150 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg150 mg

Higher than 94% of 12,413 products listing niacin (median 20 mg). Per day at the most servings: 600 mg. 17.1 times the adult UL a day.

Vitamin B6as Pyridoxal 5-Phosphate40 mg2,000%Vitamin B6 in Cramp Bark Extra against 15,277 products40 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg40 mg

Higher than 85% of 15,277 products listing vitamin B6 (median 6 mg). Per day at the most servings: 160 mg. 1.6 times the adult UL a day.

Calciumas Calcium Ascorbate, Calcium Citrate, Calcium Malate160 mg16%Calcium in Cramp Bark Extra against 17,831 products160 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg160 mg

Higher than 60% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 640 mg.

Magnesiumas Magnesium Citrate, Magnesium Malate60 mg15%Magnesium in Cramp Bark Extra against 14,003 products60 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg60 mg

56% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 240 mg.

Rutin300 mgRutin in Cramp Bark Extra against 1,232 products300 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.300 mg

Higher than 96% of 1,232 products listing rutin (median 25 mg). Per day at the most servings: 1,200 mg.

Cramp Bark300 mgCramp Bark in Cramp Bark Extra against 31 products300 mg per serving; the middle half of products list 70.5 mg to 976.5 mg, the median 300 mg.300 mg

48% of 31 products listing cramp bark give more (median 300 mg). Per day at the most servings: 1,200 mg.

Valerian150 mgValerian in Cramp Bark Extra against 647 products150 mg per serving; the middle half of products list 80 mg to 450 mg, the median 200 mg.150 mg

54% of 647 products listing valerian give more (median 200 mg). Per day at the most servings: 600 mg.

Black Cohosh150 mgBlack Cohosh in Cramp Bark Extra against 431 products150 mg per serving; the middle half of products list 40 mg to 160 mg, the median 80 mg.150 mg

Higher than 65% of 431 products listing black cohosh (median 80 mg). Per day at the most servings: 600 mg.

Ginger150 mgGinger in Cramp Bark Extra against 1,770 products150 mg per serving; the middle half of products list 25 mg to 150 mg, the median 60 mg.150 mg

Higher than 72% of 1,770 products listing ginger (median 60 mg). Per day at the most servings: 600 mg.

Source: NIH ODS Dietary Supplement Label Database, label 302786 (entered February 22, 2024), 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:

  • At 4 servings a day, the most its directions give, the label lists 3,000 mg of vitamin C, 1.5 times the adult Tolerable Upper Intake Level.
  • At 4 servings a day, the most its directions give, the label lists 600 mg of niacin, 17.1 times the adult Tolerable Upper Intake Level.
  • At 4 servings a day, the most its directions give, the label lists 160 mg of vitamin B6, 1.6 times the adult Tolerable Upper Intake Level.
  • Its 300 mg of rutin is higher than 96% of the 1,232 rutin products that print an amount; 36 list more.

The NIH database records 1 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.

Which products have the closest formulas?

The products whose ingredient lists overlap most with Cramp Bark Extra's, rare ingredients counting for more.

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 (1) to three (3) capsules every three hours up to four times daily during menstruation.
Warnings
Avoid use of this product during pregnancy and lactation.
Tamper resistant: Please do not use if safety seal is broken or missing.
Keep in a cool, dry place out of reach of children.
Allergens and what it does not contain
This product contains no: Preservatives, binders, artificial colorings or flavorings, sugars, lactose, salt, wheat, gluten, soybeans, milk derivatives, eggs, peanuts, tree nuts, fish or shellfish.

Source: label statements in DSLD label 302786.

What else is on the label?

Other ingredients: Cellulose, Water, L-Leucine.

How many labels does Cramp Bark Extra have?

4 labels are on file under this name since May 23, 2014: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 302786 (current) Entered February 22, 2024 · on the market · 60 vegetarian capsules · UPC 7 08118 02025 4
  2. Label 240166 Entered November 21, 2020 · off the market March 1, 2023 · 60 vegetarian capsules · UPC 7 08118 02025 4
  3. Label 33892 Entered June 25, 2014 · on the market · 15 vegetarian capsules · UPC 7 08118 01026 2
  4. Label 33428 Entered May 23, 2014 · off the market August 30, 2018 · 60 vegetarian capsules · UPC 7 08118 02025 4

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

Who makes it?

The label names Vitanica (manufacturer), Tualatin, OR. All Vitanica products.

Where next?