Extra Strength PQQ 40 mg

by Protocol For Life Balance · capsule · 50 veg capsules

  • On the market (NIH)
  • UPC 7 07359 13073 9
  • DSLD label 326435
  • Serving 1 veg capsule
  • 50 servings

Extra Strength PQQ 40 mg by Protocol For Life Balance lists 2 ingredients, 2 with an amount per serving of 1 veg capsule, such as 40 mg of pyrroloquinoline quinone and 200 mg of alpha-lipoic acid. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2025.

What is in Extra Strength PQQ 40 mg?

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

Extra Strength PQQ 40 mg: Supplement Facts rows against the market (DSLD label 326435, January 2026 release)
IngredientAmount% DVAmong products listing it
Pyrroloquinoline Quinoneas Pyrroloquinoline Quinone Disodium Salt40 mgPyrroloquinoline Quinone in Extra Strength PQQ 40 mg against 168 products40 mg per serving; the middle half of products list 10 mg to 20 mg, the median 10 mg.40 mg

Higher than 96% of 168 products listing pyrroloquinoline quinone (median 10 mg).

Alpha-Lipoic Acid200 mgAlpha Lipoic Acid in Extra Strength PQQ 40 mg against 2,407 products200 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.200 mg

Higher than 78% of 2,407 products listing alpha lipoic acid (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 326435 (entered March 25, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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 40 mg of pyrroloquinoline quinone is higher than 96% of the 168 pyrroloquinoline quinone 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?

1 product lists 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 usage: Take 1 capsule daily with a meal, or as directed by your healthcare practitioner.
Warnings
Cautions/interactions: For adults only. Keep out of reach of children.
Consult your healthcare practitioner if pregnant/nursing, taking medication or have a medical condition.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Non-GMO
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.

Source: label statements in DSLD label 326435.

What else is on the label?

Other ingredients: Rice Flour, Hypromellose, Stearic Acid, Silicon Dioxide.

How many labels does Extra Strength PQQ 40 mg have?

2 labels are on file under this name since January 22, 2022: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 326435 (current) Entered March 25, 2025 · on the market · 50 veg capsules · UPC 7 07359 13073 9
  2. Label 258657 Entered January 22, 2022 · off the market May 26, 2023 · 50 veg capsules · UPC 7 07359 13073 9

DSLD also links this label to: Extra Strength Phosphatidyl Serine 300 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 Protocol For Life Balance (manufacturer, distributor), Bloomingdale, IL. All Protocol For Life Balance products.

Where next?