PlainVitamins

AminoLogic

by PhysioLogics · capsule · 90 capsules

  • Off the market since March 2016 (NIH)
  • UPC 7 16963 55126 7
  • DSLD label 3932
  • Serving 3 capsules
  • 30 servings

AminoLogic by PhysioLogics lists 19 ingredients, 19 with an amount per serving of 3 capsules, such as 20 mg of vitamin B6, 185 mg of L-glutamine, 107 mg of L-aspartic acid and 97 mg of L-leucine. Its current label entered the NIH Dietary Supplement Label Database on December 23, 2011.

What is in AminoLogic?

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).

AminoLogic: Supplement Facts rows against the market (DSLD label 3932, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine Hydrochloride)20 mg333%Vitamin B6 in AminoLogic against 15,277 products20 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg20 mg

Higher than 71% of 15,277 products listing vitamin B6 (median 6 mg).

L-Glutamine185 mgGlutamine in AminoLogic against 1,850 products0.185 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.185 g

82% of 1,850 products listing glutamine give more (median 1 g).

L-Aspartic Acid107 mgAspartic Acid in AminoLogic against 377 products107 mg per serving; the middle half of products list 106 mg to 1,846 mg, the median 337 mg.107 mg

75% of 377 products listing aspartic acid give more (median 337 mg).

L-Leucine97 mgLeucine in AminoLogic against 2,056 products0.097 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.0.097 g

94% of 2,056 products listing leucine give more (median 2.5 g).

L-Taurine90 mgTaurine in AminoLogic against 2,337 products90 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.90 mg

85% of 2,337 products listing taurine give more (median 500 mg).

L-Phenylalanine88 mgPhenylalanine in AminoLogic against 611 products88 mg per serving; the middle half of products list 100 mg to 597.5 mg, the median 250 mg.88 mg

79% of 611 products listing phenylalanine give more (median 250 mg).

L-Proline82 mgProline in AminoLogic against 387 products82 mg per serving; the middle half of products list 100 mg to 1,289 mg, the median 487.5 mg.82 mg

79% of 387 products listing proline give more (median 487.5 mg).

L-Isoleucine71 mgIsoleucine in AminoLogic against 1,614 products0.071 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.0.071 g

95% of 1,614 products listing isoleucine give more (median 1.23 g).

L-Serine71 mgSerine in AminoLogic against 314 products71 mg per serving; the middle half of products list 100 mg to 1,056 mg, the median 408 mg.71 mg

80% of 314 products listing serine give more (median 408 mg).

L-Lysine61 mgLysine in AminoLogic against 1,250 products61 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.61 mg

86% of 1,250 products listing lysine give more (median 500 mg).

L-Alanine60 mgAlanine in AminoLogic against 475 products60 mg per serving; the middle half of products list 100 mg to 972 mg, the median 483 mg.60 mg

82% of 475 products listing alanine give more (median 483 mg).

L-Threonine59 mgTHREONINE in AminoLogic against 590 products59 mg per serving; the middle half of products list 140 mg to 886.25 mg, the median 500 mg.59 mg

84% of 590 products listing THREONINE give more (median 500 mg).

L-Methionine55 mgMETHIONINE in AminoLogic against 981 products55 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.55 mg

57% of 981 products listing METHIONINE give more (median 100 mg).

L-Tyrosine55 mgTyrosine in AminoLogic against 1,680 products55 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.55 mg

89% of 1,680 products listing tyrosine give more (median 500 mg).

L-Arginine54 mgArginine in AminoLogic against 1,455 products54 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.54 mg

86% of 1,455 products listing arginine give more (median 500 mg).

Glycine48 mgGlycine in AminoLogic against 1,078 products48 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.48 mg

86% of 1,078 products listing glycine give more (median 300 mg).

L-Histidine41 mgHistidine in AminoLogic against 591 products41 mg per serving; the middle half of products list 50 mg to 402.8 mg, the median 125 mg.41 mg

79% of 591 products listing histidine give more (median 125 mg).

L-Valine37 mgValine in AminoLogic against 1,632 products0.037 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.0.037 g

97% of 1,632 products listing valine give more (median 1.25 g).

L-Cysteine23 mgCysteine in AminoLogic against 516 products23 mg per serving; the middle half of products list 30 mg to 200 mg, the median 85 mg.23 mg

79% of 516 products listing cysteine give more (median 85 mg).

Source: NIH ODS Dietary Supplement Label Database, label 3932 (entered December 23, 2011), 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:

  • 94% of the 2,056 products that print an amount of leucine list more than its 0.097 g of L-leucine (filed by NIH under leucine) (median 2.5 g).
  • 95% of the 1,614 products that print an amount of isoleucine list more than its 0.071 g of L-isoleucine (filed by NIH under isoleucine) (median 1.23 g).
  • 97% of the 1,632 products that print an amount of valine list more than its 0.037 g of L-valine (filed by NIH under valine) (median 1.25 g).

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 AminoLogic'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 adults, take three (3) capsules daily or follow the advice of your health care professional. As a reminder, discuss the supplements and medications you take with your health care providers.
Warnings
KEEP OUT OF REACH OF CHILDREN.
WARNING: Pregnant or nursing women should consult a doctor before using any product.
Avoid this product if you have liver or kidney disease. Consult your doctor before use if you have, or have had, ANY HEALTH CONDITION or if you are taking ANY MEDICATIONS OR REMEDIES, including OTC medications, or are planning any medical procedure. Discontinue use and consult your doctor if any adverse reactions occur, such as gastrointestinal discomfort.
For Health Care Professional Use Only
NOT INTENDED FOR USE BY PERSONS UNDER THE AGE OF 18.
TAMPER RESISTANT: Do not use if seal under cap is broken or missing.
Allergens and what it does not contain
FREE OF: yeast, wheat, milk or milk derivatives, lactose, sugar, preservatives, soy, artificial color, artificial flavor, sodium.
Storage
Store in a dry place and avoid excessive heat.

Source: label statements in DSLD label 3932.

What else is on the label?

Other ingredients: Gelatin, Cellulose, Vegetable Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): DOCTOR RECOMMENDED.

How many labels does AminoLogic have?

One label is on file, entered on December 23, 2011.

  1. Label 3932 (current) Entered December 23, 2011 · off the market March 1, 2016 · 90 capsules · UPC 7 16963 55126 7

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

Who makes it?

The label names PhysioLogics, LLC (manufacturer), Carbondale, IL, U.S.A.. All PhysioLogics products.

Where next?