Check a label

GAT Sport · Pre-workout

Is GAT Sport Nitraflex underdosed?

1 scoop = 9.8 g30 scoopsLabel as of 25 Mar 2025 · NIH DSLD
Verdict

Effective dose on 1 of 3 key ingredients.

5 ingredients sit in an undisclosed blend. Caffeine is in the research range.

Effective dose
1
Below research dose
0
Hidden in a blend
5
Too much
0

Ingredient by ingredient

Per scoop · bodyweight 75 kg (default)
  • NiacinPer scoop 25 mgStudies Not setNot gradedNot graded

    Not graded: a vitamin or mineral. We grade a pre-workout’s ingredients against exercise studies; vitamins and minerals are graded only on their own supplement pages.

  • SodiumPer scoop 85 mgStudies Not setNot gradedNot graded

    Contains 85 mg. Not graded: on its own the sodium in a serving says little, because what counts is the drink it makes. Electrolyte products are judged on the sodium per litre once mixed as the label directs (0.5–0.7 g per litre, AIS).

  • L-CitrullinePer scoop In a blendStudies 4–5.33 gHidden in a blendWeak

    Amount not disclosed.

  • Arginine Silicate (Nitrosigine)Label: Nitrosigine (Inositol Arginine Silicate)Per scoop In a blendStudies 1.5 gHidden in a blendWeak

    Amount not disclosed.

  • ResveratrolPer scoop In a blendStudies Not setNot gradedNot graded

    Not graded: we have no research dose for it from exercise studies.

  • PterostilbenePer scoop In a blendStudies Not setNot gradedNot graded

    Not graded: we have no research dose for it from exercise studies.

  • Beta-AlaninePer scoop In a blendStudies 3.2–6.4 g/dayHidden in a blendStrong

    Amount not disclosed.

  • L-TyrosinePer scoop In a blendStudies Not setHidden in a blendNot graded

    Amount not disclosed.

  • CaffeineLabel: Caffeine AnhydrousPer scoop 325 mgStudies 3–6 mg/kgEffective doseStrong

    Contains 325 mg (4.3 mg/kg at 75 kg); studies use 3–6 mg/kg.

  • Dimethylaminoethanol BitartratePer scoop In a blendStudies Not setNot gradedNot graded

    Not graded: we have no research dose for it from exercise studies.

  • L-TheaninePer scoop In a blendStudies 100–200 mgHidden in a blendWeak

    Amount not disclosed.

  • Rauwolfia vomitoria Root ExtractPer scoop In a blendStudies Not setNot gradedNot graded

    Not graded: we have no research dose for it from exercise studies.

  • Boron CitratePer scoop 200 mgStudies Not setNot gradedNot graded

    Not graded: a vitamin or mineral. We grade a pre-workout’s ingredients against exercise studies; vitamins and minerals are graded only on their own supplement pages.

Use “Check it for your dose” to see this table for your own scoops and bodyweight. Only caffeine is dosed per kilogram in the studies we cite; the other research doses are fixed amounts, so your weight doesn't change them.

Vasoactive Arginase-Regulating NO Precursor Complex
Proprietary blend · 4 ingredients · amounts not disclosed
Total not disclosed

US labels must list blend ingredients heaviest first (21 CFR 101.36). So the 1st is at least 1/4 of the blend, the 2nd can be at most half, the 3rd at most a third, and so on.

    Acute Energy, Focus, Intensity, Neuromodulating, Endurance Complex
    Proprietary blend · 6 ingredients · amounts not disclosed
    Total not disclosed

    US labels must list blend ingredients heaviest first (21 CFR 101.36). So the 1st is at least 1/6 of the blend, the 2nd can be at most half, the 3rd at most a third, and so on.

      Where the reference doses come from

      1. Arginine Silicate (Nitrosigine), 1.5 g: Kalman et al., 2016Rogers et al., 2020.
      2. Beta-Alanine, 3.2–6.4 g/day: Harris et al., 2006Hobson et al., 2012Trexler et al., 2015.
      3. Caffeine, 3–6 mg/kg: Guest et al., 2021.
      4. L-Citrulline, 4–5.33 g: Gough et al., 2021Vårvik et al., 2021.
      5. L-Theanine, 100–200 mg: Owen et al., 2008Payne et al., 2025.
      6. Daily caffeine reference, 400 mg: US FDA, Spilling the Beans.
      7. Blend order rule: 21 CFR 101.36.
      8. Label data: National Institutes of Health, Office of Dietary Supplements. Dietary Supplement Label Database, 2026. https://dsld.od.nih.gov/. Label 321515.

      Methodology 1.11. Read the full methodology or the corrections log.