Alginate Plus

by Rx Vitamins · capsule · 120 vegetarian capsules

  • On the market (NIH)
  • UPC 7 08429 04020 0
  • DSLD label 42048
  • Serving 1 capsule
  • 120 servings

Alginate Plus by Rx Vitamins lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 400 mg of alginate and 40 mg of milk thistle, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on February 25, 2015.

What is in Alginate Plus?

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).

Alginate Plus: Supplement Facts rows against the market (DSLD label 42048, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories0 Calories
Calories from Fat0 Calories
Total Fat0 g0%
Alginateas Sodium Alginate400 mg
Milk Thistleas SilymarinMilk Thistle (Form: standardized 80% Silymarin)40 mgMilk Thistle in Alginate Plus against 1,277 products40 mg per serving; the middle half of products list 90 mg to 300 mg, the median 175 mg.40 mg

91% of 1,277 products listing milk thistle give more (median 175 mg). Per day at the most servings: 120 mg.

Source: NIH ODS Dietary Supplement Label Database, label 42048 (entered February 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:

  • 91% of the 1,277 products that print an amount of milk thistle list more than its 40 mg of milk thistle (median 175 mg).

The NIH database records 3 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 Alginate Plus'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
Recommended Usage: As a dietary supplement, take one capsules three times daily with a full glass of water, or as directed by your health care professional.
Warnings
Do not use if tamper-evident seal is broken or missing.
KEEP OUT OF REACH OF CHILDREN.
Allergens and what it does not contain
Contains no gluten, yeast, dairy, artificial colors or flavors.

Source: label statements in DSLD label 42048.

What else is on the label?

Other ingredients: Silicon Dioxide, kosher Rice Flour, VegiCap.

How many labels does Alginate Plus have?

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

  1. Label 42048 (current) Entered February 25, 2015 · on the market · 120 vegetarian capsules · UPC 7 08429 04020 0

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

Who makes it?

The label names Rx Vitamins, Inc. (manufacturer, distributor), Elmsford, NY. All Rx Vitamins products.

Where next?