PlainVitamins

Ultra Amino Complex Watermelon

by GNC Pro Performance · powder · 11.84 oz.

  • On the market (NIH)
  • UPC 0 48107 12517 2
  • DSLD label 25704
  • Serving 13.98 g (1 scoop)
  • 24 servings

Ultra Amino Complex Watermelon by GNC Pro Performance lists 14 ingredients, 14 with an amount per serving of 13.98 g, such as 3,600 mg of L-leucine, 2,000 mg of taurine, 1,200 mg of L-isoleucine and 1,200 mg of L-valine, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on September 25, 2013.

What is in Ultra Amino Complex Watermelon?

Each row as the label prints it, per serving of 13.98 g. 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).

Ultra Amino Complex Watermelon: Supplement Facts rows against the market (DSLD label 25704, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Carbohydrates3 g1%Carbohydrate in Ultra Amino Complex Watermelon against 21,979 products3 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.3 g

47% of 21,979 products listing carbohydrate give more (median 3 g).

Sugar0 g
Sodiumas Sodium CitrateSodium (Form: as Sodium Citrate)180 mg8%Sodium in Ultra Amino Complex Watermelon against 14,514 products180 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.180 mg

Higher than 80% of 14,514 products listing sodium (median 55 mg).

L-Leucine3,600 mgLeucine in Ultra Amino Complex Watermelon against 2,056 products3.6 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.3.6 g

Higher than 79% of 2,056 products listing leucine (median 2.5 g).

Taurine2,000 mgTaurine in Ultra Amino Complex Watermelon against 2,337 products2,000 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.2,000 mg

Higher than 86% of 2,337 products listing taurine (median 500 mg).

L-Isoleucine1,200 mgIsoleucine in Ultra Amino Complex Watermelon against 1,614 products1.2 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.1.2 g

50% of 1,614 products listing isoleucine give more (median 1.23 g).

L-Valine1,200 mgValine in Ultra Amino Complex Watermelon against 1,632 products1.2 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.1.2 g

51% of 1,632 products listing valine give more (median 1.25 g).

L-Lysine Hydrochloride1,000 mgLysine in Ultra Amino Complex Watermelon against 1,250 products1,000 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.1,000 mg

Higher than 75% of 1,250 products listing lysine (median 500 mg).

Glycine500 mgGlycine in Ultra Amino Complex Watermelon against 1,078 products500 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.500 mg

Higher than 62% of 1,078 products listing glycine (median 300 mg).

L-Glutamine100 mgGlutamine in Ultra Amino Complex Watermelon against 1,850 products0.1 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.1 g

88% of 1,850 products listing glutamine give more (median 1 g).

L-Threonine100 mgTHREONINE in Ultra Amino Complex Watermelon against 590 products100 mg per serving; the middle half of products list 140 mg to 886.25 mg, the median 500 mg.100 mg

77% of 590 products listing THREONINE give more (median 500 mg).

L-Arginine100 mgArginine in Ultra Amino Complex Watermelon against 1,455 products100 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.100 mg

79% of 1,455 products listing arginine give more (median 500 mg).

L-Tyrosine100 mgTyrosine in Ultra Amino Complex Watermelon against 1,680 products100 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.100 mg

78% of 1,680 products listing tyrosine give more (median 500 mg).

L-Phenylalanine25 mgPhenylalanine in Ultra Amino Complex Watermelon against 611 products25 mg per serving; the middle half of products list 100 mg to 597.5 mg, the median 250 mg.25 mg

92% of 611 products listing phenylalanine give more (median 250 mg).

L-Citrulline25 mgCitrulline in Ultra Amino Complex Watermelon against 1,209 products0.025 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.0.025 g

99% of 1,209 products listing citrulline give more (median 3 g).

L-Methionine25 mgMETHIONINE in Ultra Amino Complex Watermelon against 981 products25 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.25 mg

73% of 981 products listing METHIONINE give more (median 100 mg).

L-Histidine25 mgHistidine in Ultra Amino Complex Watermelon against 591 products25 mg per serving; the middle half of products list 50 mg to 402.8 mg, the median 125 mg.25 mg

83% of 591 products listing histidine give more (median 125 mg).

Source: NIH ODS Dietary Supplement Label Database, label 25704 (entered September 25, 2013), 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:

  • 88% of the 1,850 products that print an amount of glutamine list more than its 0.1 g of L-glutamine (filed by NIH under glutamine) (median 1 g).
  • 92% of the 611 products that print an amount of phenylalanine list more than its 25 mg of L-phenylalanine (filed by NIH under phenylalanine) (median 250 mg).
  • 99% of the 1,209 products that print an amount of citrulline list more than its 0.025 g of L-citrulline (filed by NIH under citrulline) (median 3 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 Ultra Amino Complex Watermelon'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: As a dietary supplement, on training days consume one scoop (13.98 g) with 8 oz of water during and after training. For best results, consume at least one serving on non-training days, preferably upon waking.
Warnings
Discontinue use two weeks prior to surgery.
CONTAINS: Soybeans.
WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.
Manufactured in a facility that also processes the following allergens: Milk, Soy, Wheat, Egg and Peanut.
KEEP OUT OF REACH OF CHILDREN.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 25704.

What else is on the label?

Other ingredients: Citric Acid, Natural & Artificial flavors, Malic Acid, Acesulfame Potassium, Soy Oil & Lecithin Blend, Sucralose, Calcium Silicate, Silicon Dioxide, FD&C Red #40 Lake, FD&C Red #40.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): BANNED SUBSTANCE FREE; NITRO-FACTOR 8G(TM); INFORMED-CHOICE{check}.ORG Trusted by sport. Listed with: Informed Sport or Informed Choice (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Ultra Amino Complex Watermelon have?

One label is on file, entered on September 25, 2013.

  1. Label 25704 (current) Entered September 25, 2013 · on the market · 11.84 oz. · UPC 0 48107 12517 2

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

Who makes it?

The label names General Nutrition Corporation (distributor), Pittsburgh, PA. All GNC Pro Performance products.

Where next?