PlainVitamins

Calscorbplex Powdered Ascorbate Complex

by Douglas Laboratories · powder · 8 ozs

  • On the market (NIH)
  • UPC 3 10539 01688 6
  • DSLD label 26830
  • Serving 5.2 g (1 rounded tsp)
  • 43 servings

Calscorbplex Powdered Ascorbate Complex by Douglas Laboratories lists 5 ingredients, 5 with an amount per serving of 5.2 g, such as 4,000 mg of vitamin C, 490 mg of calcium, 6 mg of zinc and 4.5 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on October 25, 2013.

What is in Calscorbplex Powdered Ascorbate Complex?

Each row as the label prints it, per serving of 5.2 g. 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).

Calscorbplex Powdered Ascorbate Complex: Supplement Facts rows against the market (DSLD label 26830, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin C4,000 mg6,667%

This amount is far outside what other labels list for vitamin C, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Calciumas Calcium AscorbateCalcium (Form: from Calcium Ascorbate)490 mg49%Calcium in Calscorbplex Powdered Ascorbate Complex against 17,831 products490 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg490 mg

Higher than 85% of 17,831 products listing calcium (median 115 mg).

Zincas Zinc AscorbateZinc (Form: from Zinc Ascorbate)6 mg40%Zinc in Calscorbplex Powdered Ascorbate Complex against 13,186 products6 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg6 mg

69% of 13,186 products listing zinc give more (median 11 mg).

Magnesiumas Magnesium AscorbateMagnesium (Form: from Magnesium Ascorbate)4.5 mg2%Magnesium in Calscorbplex Powdered Ascorbate Complex against 14,003 products4.5 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg4.5 mg

97% of 14,003 products listing magnesium give more (median 86 mg).

Potassiumas Potassium AscorbatePotassium (Form: from Potassium Ascorbate)2 mg2%

This amount is far outside what other labels list for potassium, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Source: NIH ODS Dietary Supplement Label Database, label 26830 (entered October 25, 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?

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:

  • 97% of the 14,003 products that print an amount of magnesium list more than its 4.5 mg of magnesium (median 86 mg).

The NIH database records one serving 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, adults take 1 teaspoon daily or as directed by your healthcare professional. Mix with water or juice.
Warnings
KEEP OUT OF REACH OF CHILDREN.
Tamper resistant package, do not use if outer seal is missing.
Allergens and what it does not contain
This product contains NO yeast, wheat, gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.
Storage
For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Source: label statements in DSLD label 26830.

How many labels does Calscorbplex Powdered Ascorbate Complex have?

2 labels are on file under this name since June 25, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 26830 (current) Entered October 25, 2013 · on the market · 8 ozs · UPC 3 10539 01688 6
  2. Label 8168 Entered June 25, 2012 · on the market · 16 oz. · UPC 3 10539 01642 8

DSLD also links this label to: Calscorbplex (image difference, same product), Calscorbplex (package size difference, same product).

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

Who makes it?

The label names Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.

Where next?