PlainVitamins

Pro-NH3

by Loomis Enzymes · capsule · 180 capsules

  • On the market (NIH)
  • UPC 6 97706 01100 5
  • DSLD label 327546
  • Serving 3 capsules
  • 60 servings

Pro-NH3 by Loomis Enzymes lists 18 ingredients, 7 with an amount per serving of 3 capsules, such as 10 mg of vitamin C, 38 mcg of biotin, 120 mg of calcium and 735 mg of egg white; 11 sit inside a blend without their own amounts, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on February 23, 2025.

What is in Pro-NH3?

Each row as the label prints it, per serving of 3 capsules. 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).

Pro-NH3: Supplement Facts rows against the market (DSLD label 327546, January 2026 release)
IngredientAmount% DVAmong products listing it
Proteinless than 1 g1%
Vitamin Cas Acerola Juice10 mg11%Vitamin C in Pro-NH3 against 18,583 products10 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg10 mg

95% of 18,583 products listing vitamin C give more (median 100 mg). Per day at the most servings: 30 mg.

Biotin38 mcg127%Biotin in Pro-NH3 against 9,447 products38 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg38 mcg

81% of 9,447 products listing biotin give more (median 200 mcg). Per day at the most servings: 114 mcg.

Calciumas Eggshell Calcium120 mg9%Calcium in Pro-NH3 against 17,831 products120 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg120 mg

Higher than 51% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 360 mg.

Egg White735 mgEgg in Pro-NH3 against 59 products735 mg per serving; the middle half of products list 500 mg to 1,000 mg, the median 500 mg.735 mg

Higher than 69% of 59 products listing egg (median 500 mg). Per day at the most servings: 2,205 mg.

Pro-NH3 Amino Acid Blend500 mg
L-Leucinein the blend, no amount given
L-Valinein the blend, no amount given
L-Isoleucinein the blend, no amount given
L-Argininein the blend, no amount given
L-Lysine Hydrochloridein the blend, no amount given
L-Phenylalaninein the blend, no amount given
L-Threoninein the blend, no amount given
L-Tyrosinein the blend, no amount given
L-Cysteine Hydrochloridein the blend, no amount given
L-Histidine Hydrochloridein the blend, no amount given
L-Methioninein the blend, no amount given
Methylsulfonylmethane270 mgMethylsulfonylmethane in Pro-NH3 against 1,454 products270 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.270 mg

60% of 1,454 products listing methylsulfonylmethane give more (median 500 mg). Per day at the most servings: 810 mg.

Rose Hipas Rosa canina75 mgDog Rose in Pro-NH3 against 397 products75 mg per serving; the middle half of products list 10 mg to 65 mg, the median 25 mg.75 mg

Higher than 75% of 397 products listing dog rose (median 25 mg). Per day at the most servings: 225 mg.

Acerola Fruit Juiceas Malpighia glabra Fruit Juice45 mgAcerola in Pro-NH3 against 436 products45 mg per serving; the middle half of products list 14.5 mg to 300 mg, the median 60 mg.45 mg

61% of 436 products listing acerola give more (median 60 mg). Per day at the most servings: 135 mg.

Source: NIH ODS Dietary Supplement Label Database, label 327546 (entered February 23, 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:

  • 95% of the 18,583 products that print an amount of vitamin C list more than its 10 mg of vitamin C (median 100 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 Pro-NH3'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
Directions for use: Take 3 capsules, 3 times daily at anytime or as directed.
Warnings
Keep out of reach of children
Note: Consult your physician before using this product if you are pregnant, nursing, taking medication, or have a medical condition.
Do not use if inner or outer seal is broken, torn, or missing.
Contains egg
Storage
To ensure freshness and potency, keep bottle tightly closed and store in a cool, dry place.

Source: label statements in DSLD label 327546.

What else is on the label?

Other ingredients: Cellulose, Water, Phytase.

How many labels does Pro-NH3 have?

4 labels are on file under this name since May 24, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 327546 (current) Entered February 23, 2025 · on the market · 180 capsules · UPC 6 97706 01100 5
  2. Label 306299 Entered February 22, 2024 · off the market January 29, 2024 · 180 capsules · UPC 6 97706 01100 5
  3. Label 246618 Entered April 22, 2021 · off the market January 25, 2023 · 180 capsules · UPC 6 97706 01100 5
  4. Label 176686 Entered May 24, 2018 · off the market February 23, 2021 · 180 capsules · UPC 6 97706 01100 5

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

Who makes it?

The label names Loomis Enzymes, LLC (distributor), Fitchburg, Wisconsin. All Loomis Enzymes products.

Where next?