PlainVitamins

98% Pure Monosodium Phosphate

by Swanson Premium Brand · powder · 4 ounces

  • Off the market since November 2023 (NIH)
  • UPC 0 87614 11714 0
  • DSLD label 193263
  • Serving 1 g (1 scoop)
  • 113 servings

98% Pure Monosodium Phosphate by Swanson Premium Brand lists 2 ingredients, 2 with an amount per serving of 1 g, such as 250 mg of phosphorus and 1 g of 98% pure monosodium phosphate, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on February 25, 2019.

What is in 98% Pure Monosodium Phosphate?

Each row as the label prints it, per serving of 1 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).

98% Pure Monosodium Phosphate: Supplement Facts rows against the market (DSLD label 193263, January 2026 release)
IngredientAmount% DVAmong products listing it
PhosphorusPhosphorus Note: Typical Analysis. Nutrients are naturally occurring250 mg20%Phosphorus in 98% Pure Monosodium Phosphate against 3,786 products250 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg250 mg

Higher than 82% of 3,786 products listing phosphorus (median 90 mg).

SodiumSodium Note: Typical analysis. Nutrients are naturally occurring.190 mg8%Sodium in 98% Pure Monosodium Phosphate against 14,514 products190 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.190 mg

Higher than 82% of 14,514 products listing sodium (median 55 mg).

98% Pure Monosodium Phosphate1 gSodium Phosphate in 98% Pure Monosodium Phosphate against 53 products1,000 mg per serving; the middle half of products list 130 mg to 189 mg, the median 157 mg.1,000 mg

Higher than 98% of 53 products listing sodium phosphate (median 157 mg).

Source: NIH ODS Dietary Supplement Label Database, label 193263 (entered February 25, 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?

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:

  • Its 1,000 mg of 98% pure monosodium phosphate (filed by NIH under sodium phosphate) is higher than 98% of the 53 sodium phosphate products that print an amount.

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?

The products whose ingredient lists overlap most with 98% Pure Monosodium Phosphate'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: As a dietary supplement, dissolve one scoop (1 g) in 6–8 ounces of water one time per day. Scoop included.

Source: label statements in DSLD label 193263.

What else is on the label?

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 98% Pure Monosodium Phosphate have?

One label is on file, entered on February 25, 2019.

  1. Label 193263 (current) Entered February 25, 2019 · off the market November 28, 2023 · 4 ounces · UPC 0 87614 11714 0

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?