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Huge Supplements · Pre-workout

Is Huge Supplements Wrecked underdosed?

1 scoop = 18.8 g20 scoopsLabel as of 24 Jul 2025 · NIH DSLD
Verdict

Below research dose on 1 of 4 key ingredients.

Caffeine is below the amounts studies use. Caffeine is below 3 mg/kg at 75 kg.

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

Ingredient by ingredient

Per scoop · bodyweight 75 kg (default)
  • Sodium (Himalayan Pink Sea Salt)Per scoop 250 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.

  • L-CitrullinePer scoop 5 gStudies 4–5.33 gEffective doseWeak

    Contains 5 g; studies use 4–5.33 g.

  • Beta-AlaninePer scoop 3.2 gStudies 3.2–6.4 g/dayEffective doseStrong

    Contains 3.2 g; studies use 3.2–6.4 g/day.

  • Betaine AnhydrousPer scoop 2.5 gStudies 2.5 g/dayEffective doseModerate

    Contains 2.5 g; studies use 2.5 g/day.

  • L-TyrosinePer scoop 2.5 gStudies Not setNot gradedNot graded

    Contains 2.5 g. Not graded: a 2023 meta-analysis found no effect on endurance; its evidence is for focus under stress, at about 150 mg per kg of bodyweight.

  • TaurinePer scoop 1.5 gStudies 1–6 gEffective doseModerate

    Contains 1.5 g; studies use 1–6 g.

  • Agmatine SulfatePer scoop 750 mgStudies Not setNot gradedNot graded

    Contains 750 mg. Not graded: no human study has tested it for exercise; human studies are for nerve pain.

  • Alpha-GPCLabel: Alpha-Glycerylphosphorylcholine (L-Alpha-Glycerylphosphorylcholine) [50% Alpha GPC]Per scoop 250 mgStudies 250–600 mg/dayEffective doseWeak

    Contains 250 mg; studies use 250–600 mg/day.

  • CaffeineLabel: Caffeine Anhydrous; Dicaffeine Malate (Caffeine) [75% caffeine]Per scoop 188 mgStudies 3–6 mg/kgBelow research doseStrong

    Contains 188 mg (2.5 mg/kg at 75 kg); studies use 3–6 mg/kg.

  • TheobromineLabel: Theobromine Hydrochloride [98%]Per scoop 100 mg, as printedStudies Not setNot gradedNot graded

    Listed as “Theobromine Hydrochloride [98%]”, a form we have no conversion for, so it isn't graded.

  • Bioperine (Black Pepper Fruit Extract) [std. for 95% piperine]Per scoop 5 mgStudies Not setNot gradedNot graded

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

  • Rauwolfia vomitoria Root Extract (Alpha Yohimbine) [std. for 98% alpha yohimbine]Per scoop 500 mcgStudies Not setNot gradedNot graded

    Not graded: a stimulant we have no research dose for. Its effects add to the caffeine's.

  • Huperzine A (Huperzia serrata Leaf Extract)Per scoop 150 mcgStudies Not setNot gradedNot graded

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

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.

How many scoops would it take?

To reach the low end of the research dose for each underdosed ingredient.

Caffeine to 225 mg
1.2 scoops
brings 225 mg caffeine

Where the reference doses come from

  1. Alpha-GPC, 250–600 mg/day: Bellar et al., 2015Marcus et al., 2017.
  2. Beta-Alanine, 3.2–6.4 g/day: Harris et al., 2006Hobson et al., 2012Trexler et al., 2015.
  3. Betaine Anhydrous, 2.5 g/day: Cholewa et al., 2013Hoffman et al., 2009Zawieja et al., 2024.
  4. Caffeine, 3–6 mg/kg: Guest et al., 2021.
  5. L-Citrulline, 4–5.33 g: Gough et al., 2021Vårvik et al., 2021.
  6. Taurine, 1–6 g: Deng et al., 2025Waldron et al., 2018.
  7. Daily caffeine reference, 400 mg: US FDA, Spilling the Beans.
  8. Label data: National Institutes of Health, Office of Dietary Supplements. Dietary Supplement Label Database, 2026. https://dsld.od.nih.gov/. Label 332683.

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