PlainVitamins

Tri-Amino

by NOW · capsule · 120 capsules

  • On the market (NIH)
  • UPC 7 33739 00152 8
  • DSLD label 204714
  • Serving 2 capsules
  • 60 servings

Tri-Amino by NOW lists 3 ingredients, 3 with an amount per serving of 2 capsules, such as 550 mg of L-arginine, 450 mg of L-lysine and 400 mg of L-ornithine. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2019.

What is in Tri-Amino?

Each row as the label prints it, per serving of 2 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).

Tri-Amino: Supplement Facts rows against the market (DSLD label 204714, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
L-ArginineL-Arginine Note: free-form550 mgArginine in Tri-Amino against 1,455 products550 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.550 mg

Higher than 54% of 1,455 products listing arginine (median 500 mg).

L-Lysineas L-Lysine HydrochlorideL-Lysine (Form: from L-Lysine HCl)450 mgLysine in Tri-Amino against 1,250 products450 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.450 mg

56% of 1,250 products listing lysine give more (median 500 mg).

L-Ornithineas L-Ornithine HydrochlorideL-Ornithine (Form: from L-Ornithine HCl)400 mgOrnithine in Tri-Amino against 258 products400 mg per serving; the middle half of products list 100 mg to 900 mg, the median 400 mg.400 mg

45% of 258 products listing ornithine give more (median 400 mg).

Source: NIH ODS Dietary Supplement Label Database, label 204714 (entered July 24, 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

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?

6 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
Suggested Usage: Take 2 capsules daily with juice or water. Take before exercise or at bedtime.
Warnings
Caution: For adults only. Not intended for individuals with history of coronary heart disease and/or myocardial infarction. Individuals with glaucoma or herpes simplex should avoid using this product unless directed by a physician.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
Keep out of reach of children.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut 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 or tree nut ingredients.
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 204714.

What else is on the label?

Other ingredients: Bovine Gelatin, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Non-GMO Triangle K; GMP Quality Assured.

How many labels does Tri-Amino have?

8 labels are on file under this name since October 1, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 204714 (current) Entered July 24, 2019 · on the market · 120 capsules · UPC 7 33739 00152 8
  2. Label 56818 Entered February 23, 2016 · on the market · 60 capsules · UPC 7 33739 00150 4
  3. Label 53394 Entered November 24, 2015 · off the market December 6, 2018 · 120 capsules · UPC 7 33739 00152 8
  4. Label 53393 Entered November 24, 2015 · off the market December 23, 2015 · 60 capsules · UPC 7 33739 00150 4
  5. Label 41370 Entered January 23, 2015 · off the market October 23, 2015 · 60 capsules · UPC 7 33739 00150 4
  6. Label 40214 Entered December 29, 2014 · off the market October 23, 2015 · 120 capsules · UPC 7 33739 00152 8
  7. Label 13484 Entered October 1, 2012 · off the market November 26, 2014 · 120 capsules · UPC 7 33739 00152 8
  8. Label 13483 Entered October 1, 2012 · off the market January 8, 2015 · 60 capsules · UPC 7 33739 00150 4

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

Who makes it?

The label names NOW Foods (manufacturer), Bloomingdale, IL. All NOW products.

Where next?