Full Spectrum Cramp Bark 500 mg

by Swanson Premium Brand · capsule · 60 capsules

  • On the market (NIH)
  • UPC 0 87614 11148 3
  • DSLD label 203971
  • Serving 1 capsule

Full Spectrum Cramp Bark 500 mg by Swanson Premium Brand lists one ingredient: 500 mg of cramp bark per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on June 24, 2019.

What is in Full Spectrum Cramp Bark 500 mg?

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).

Full Spectrum Cramp Bark 500 mg: Supplement Facts rows against the market (DSLD label 203971, January 2026 release)
IngredientAmount% DVAmong products listing it
Cramp Bark500 mgCramp Bark in Full Spectrum Cramp Bark 500 mg against 31 products500 mg per serving; the middle half of products list 70.5 mg to 976.5 mg, the median 300 mg.500 mg

Higher than 61% of 31 products listing cramp bark (median 300 mg). Per day at the most servings: 1,000 mg.

Source: NIH ODS Dietary Supplement Label Database, label 203971 (entered June 24, 2019), 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.

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: As a dietary supplement, take one capsule two times per day with water.
Warnings
Do not use if seal is broken.
Keep out of reach of children.
Warning: Do not take this product if you are pregnant or nursing.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 203971.

What else is on the label?

Other ingredients: Gelatin, Calcium Palmitate, Microcrystalline Cellulose, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Guaranteed Purity & Potency.

How many labels does Full Spectrum Cramp Bark 500 mg have?

2 labels are on file under this name since October 25, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 203971 (current) Entered June 24, 2019 · on the market · 60 capsules · UPC 0 87614 11148 3
  2. Label 176767 Entered October 25, 2018 · off the market July 24, 2018 · 60 capsules · UPC 0 87614 11148 3

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

Who makes it?

The label names Swanson Health Products (distributor), Fargo, ND. All Swanson Premium Brand products.

Where next?