PlainVitamins

Amino Acid Complex

by SuperLife · capsule · 90 capsules

  • On the market (NIH)
  • DSLD label 320385
  • Serving 2 capsules
  • 45 servings

Amino Acid Complex by SuperLife lists 20 ingredients, 20 with an amount per serving of 2 capsules. Its current label entered the NIH Dietary Supplement Label Database on December 21, 2024.

What is in Amino Acid Complex?

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).

Amino Acid Complex: Supplement Facts rows against the market (DSLD label 320385, January 2026 release)
IngredientAmount% DVAmong products listing it
Free-Form Amino Acid Complex1,560 mg
Essential BCAAsin the blend, no amount given
L-Leucine240 mgLeucine in Amino Acid Complex against 2,056 products0.24 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.0.24 g

89% of 2,056 products listing leucine give more (median 2.5 g).

L-Isoleucine120 mgIsoleucine in Amino Acid Complex against 1,614 products0.12 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.0.12 g

92% of 1,614 products listing isoleucine give more (median 1.23 g).

L-Valine120 mgValine in Amino Acid Complex against 1,632 products0.12 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.0.12 g

92% of 1,632 products listing valine give more (median 1.25 g).

Essential Amino Acidsin the blend, no amount given
L-Histidine Hydrochloride120 mgHistidine in Amino Acid Complex against 591 products120 mg per serving; the middle half of products list 50 mg to 402.8 mg, the median 125 mg.120 mg

51% of 591 products listing histidine give more (median 125 mg).

L-Lysine Hydrochloride120 mgLysine in Amino Acid Complex against 1,250 products120 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.120 mg

76% of 1,250 products listing lysine give more (median 500 mg).

L-Methionine120 mgMETHIONINE in Amino Acid Complex against 981 products120 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.120 mg

Higher than 59% of 981 products listing METHIONINE (median 100 mg).

L-Phenylalanine120 mgPhenylalanine in Amino Acid Complex against 611 products120 mg per serving; the middle half of products list 100 mg to 597.5 mg, the median 250 mg.120 mg

67% of 611 products listing phenylalanine give more (median 250 mg).

L-Threonine120 mgTHREONINE in Amino Acid Complex against 590 products120 mg per serving; the middle half of products list 140 mg to 886.25 mg, the median 500 mg.120 mg

76% of 590 products listing THREONINE give more (median 500 mg).

Conditional Amino Acidsin the blend, no amount given
L-Arginine Hydrochloride120 mgArginine in Amino Acid Complex against 1,455 products120 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.120 mg

78% of 1,455 products listing arginine give more (median 500 mg).

L-Glutamine120 mgGlutamine in Amino Acid Complex against 1,850 products0.12 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.12 g

87% of 1,850 products listing glutamine give more (median 1 g).

L-Carnitine Fumarate24 mgL-Carnitine in Amino Acid Complex against 1,338 products24 mg per serving; the middle half of products list 110.5 mg to 1,000 mg, the median 500 mg.24 mg

90% of 1,338 products listing L-carnitine give more (median 500 mg).

L-Ornithine Hydrochloride24 mgOrnithine in Amino Acid Complex against 258 products24 mg per serving; the middle half of products list 100 mg to 900 mg, the median 400 mg.24 mg

92% of 258 products listing ornithine give more (median 400 mg).

L-Cysteine Hydrochloride24 mgCysteine in Amino Acid Complex against 516 products24 mg per serving; the middle half of products list 30 mg to 200 mg, the median 85 mg.24 mg

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

L-Proline24 mgProline in Amino Acid Complex against 387 products24 mg per serving; the middle half of products list 100 mg to 1,289 mg, the median 487.5 mg.24 mg

94% of 387 products listing proline give more (median 487.5 mg).

L-Tyrosine24 mgTyrosine in Amino Acid Complex against 1,680 products24 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.24 mg

96% of 1,680 products listing tyrosine give more (median 500 mg).

Glycine24 mgGlycine in Amino Acid Complex against 1,078 products24 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.24 mg

94% of 1,078 products listing glycine give more (median 300 mg).

Non-Essential Amino Acidsin the blend, no amount given
L-Alanine24 mgAlanine in Amino Acid Complex against 475 products24 mg per serving; the middle half of products list 100 mg to 972 mg, the median 483 mg.24 mg

94% of 475 products listing alanine give more (median 483 mg).

L-Aspartic Acid24 mgAspartic Acid in Amino Acid Complex against 377 products24 mg per serving; the middle half of products list 106 mg to 1,846 mg, the median 337 mg.24 mg

95% of 377 products listing aspartic acid give more (median 337 mg).

L-Serine24 mgSerine in Amino Acid Complex against 314 products24 mg per serving; the middle half of products list 100 mg to 1,056 mg, the median 408 mg.24 mg

93% of 314 products listing serine give more (median 408 mg).

Taurine24 mgTaurine in Amino Acid Complex against 2,337 products24 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.24 mg

97% of 2,337 products listing taurine give more (median 500 mg).

Source: NIH ODS Dietary Supplement Label Database, label 320385 (entered December 21, 2024), 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:

  • 92% of the 1,614 products that print an amount of isoleucine list more than its 0.12 g of L-isoleucine (filed by NIH under isoleucine) (median 1.23 g).
  • 92% of the 1,632 products that print an amount of valine list more than its 0.12 g of L-valine (filed by NIH under valine) (median 1.25 g).
  • 90% of the 1,338 products that print an amount of L-carnitine list more than its 24 mg of L-carnitine (median 500 mg).
  • 92% of the 258 products that print an amount of ornithine list more than its 24 mg of L-ornithine hydrochloride (filed by NIH under ornithine) (median 400 mg).
  • 94% of the 387 products that print an amount of proline list more than its 24 mg of L-proline (filed by NIH under proline) (median 487.5 mg).
  • 96% of the 1,680 products that print an amount of tyrosine list more than its 24 mg of L-tyrosine (filed by NIH under tyrosine) (median 500 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?

The products whose ingredient lists overlap most with Amino Acid Complex'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: Adults, take 2 capsules daily with water, preferably with a meal. Use only as directed. For best results, take on a regular basis.
Warnings
Warning: Consult a physician before using if you are pregnant, nursing a baby, have heart disease, taking medication, or have any known medical condition. Dietary supplements can affect the way medicines work.
Keep this and all Dietary Supplements out of the reach of children.
Warning: Contains Phenylalanine, do not take this product if you have PKU (Phenylketonuria) a genetic disorder that prevents your body from breaking down the amino acids - Phenylalanine.

Source: label statements in DSLD label 320385.

What else is on the label?

Other ingredients: Gelatin, Titanium Dioxide.

How many labels does Amino Acid Complex have?

One label is on file, entered on December 21, 2024.

  1. Label 320385 (current) Entered December 21, 2024 · on the market · 90 capsules

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

Who makes it?

The label names SuperLife (manufacturer). All SuperLife products.

Where next?