PlainVitamins

Ps-100

by Metabolic Maintenance · softgel capsule · 60 softgels

  • Off the market since December 2023 (NIH)
  • UPC 8 38287 00640 4
  • DSLD label 25106
  • Serving 1 to 3 softgels; amounts per 1 softgel

Ps-100 by Metabolic Maintenance lists 4 ingredients, 4 with an amount per serving of 1 softgel, such as 100 mg of phosphatidylserine, 25 mg of phosphatidylcholine, 2.5 mg of phosphatidylethanolamine and 1.5 mg of phosphatidylinositol, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on August 23, 2013.

What is in Ps-100?

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

Ps-100: Supplement Facts rows against the market (DSLD label 25106, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Fat0.5 g1%Fat (unspecified) in PS-100 against 11,965 products0.5 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.0.5 g

86% of 11,965 products listing fat (unspecified) give more (median 1.5 g).

Phosphatidylserine100 mgPhosphatidylserine in PS-100 against 641 products100 mg per serving; the middle half of products list 50 mg to 150 mg, the median 100 mg.100 mg

29% of 641 products listing phosphatidylserine give more (median 100 mg).

Phosphatidylcholine25 mgPhosphatidylcholine in PS-100 against 403 products25 mg per serving; the middle half of products list 35 mg to 420 mg, the median 120 mg.25 mg

80% of 403 products listing phosphatidylcholine give more (median 120 mg).

Phosphatidylethanolamine2.5 mgPhosphatidylethanolamine in PS-100 against 93 products2.5 mg per serving; the middle half of products list 10 mg to 200 mg, the median 43 mg.2.5 mg

84% of 93 products listing phosphatidylethanolamine give more (median 43 mg).

Phosphatidylinositol1.5 mgPhosphatidylinositol in PS-100 against 102 products1.5 mg per serving; the middle half of products list 10 mg to 177 mg, the median 90 mg.1.5 mg

89% of 102 products listing phosphatidylinositol give more (median 90 mg).

Source: NIH ODS Dietary Supplement Label Database, label 25106 (entered August 23, 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:

  • 84% of the 93 products that print an amount of phosphatidylethanolamine list more than its 2.5 mg of phosphatidylethanolamine (median 43 mg).
  • 89% of the 102 products that print an amount of phosphatidylinositol list more than its 1.5 mg of phosphatidylinositol (median 90 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?

2 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
DIRECTIONS: One to three (1-3) softgels daily with meals as a dietary supplement, or as directed by a Doctor.
Warnings
KEEP OUT OF THE REACH OF CHILDREN.
Contains soy.
Storage
STORAGE: Keep tightly closed in a dry place; do not expose to excessive heat.

Source: label statements in DSLD label 25106.

What else is on the label?

Other ingredients: Gelatin, Glycerin, Polyglycitol Syrup, Water.

How many labels does Ps-100 have?

One label is on file, entered on August 23, 2013.

  1. Label 25106 (current) Entered August 23, 2013 · off the market December 18, 2023 · 60 softgels · UPC 8 38287 00640 4

DSLD also links this label to: PS-100 100 mg (image difference, same product), PS-100 100 mg (image 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 Metabolic Maintenance Products (manufacturer), Sisters, Oregon. All Metabolic Maintenance products.

Where next?