Is MTS Nutrition Clash underdosed?

• CalciumPer scoop 135 mgStudies Not setNot gradedEvidence: Not 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.

• IronPer scoop 300 mcgStudies Not setNot gradedEvidence: Not 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 106 mgStudies Not setNot gradedEvidence: Not graded

  Contains 106 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 6 gStudies 4–5.33 gEffective doseEvidence: Weak

  Contains 6 g; studies use 4–5.33 g.

• Creatine MonohydrateLabel: CreaPure Creatine MonohydratePer scoop 5 gStudies 3–5 g/dayEffective doseEvidence: Strong

  Contains 5 g; studies use 3–5 g/day.

• Beta-AlaninePer scoop 3.2 gStudies 3.2–6.4 g/dayEffective doseEvidence: Strong

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

• Betaine AnhydrousPer scoop 2 gStudies 2.5 g/dayBelow research doseEvidence: Moderate

  Contains 2 g; studies use 2.5 g/day. Betaine Anhydrous works through daily use over weeks; a lower amount still builds up, just more slowly.

• Agmatine SulfatePer scoop 1.5 gStudies Not setNot gradedEvidence: Not graded

  Contains 1.5 g. Not graded: no human study has tested it for exercise; human studies are for nerve pain.

• N-Acetyl-L-TyrosineLabel: N-Acetyl L-TyrosinePer scoop 500 mgStudies Not setNot gradedEvidence: Not graded

  Contains 500 mg. Not graded: a form of L-tyrosine, which isn't graded either (see the L-tyrosine guide).

• CaffeineLabel: Caffeine (Caffeine Anhydrous)Per scoop 250 mgStudies 3–6 mg/kgEffective doseEvidence: Strong

  Contains 250 mg (3.3 mg/kg at 75 kg); studies use 3–6 mg/kg.

• TheacrinePer scoop 100 mgStudies Not setNot gradedEvidence: Not graded

  Contains 100 mg. Not graded: on its own it did not improve a 4 km cycling time trial, canoe sprints or field tests in three trials, and 6 mg per kg raised resting blood pressure (2022–2025).

• TheobrominePer scoop 100 mgStudies Not setNot gradedEvidence: Not graded

  Contains 100 mg. Not graded: there is no peer-reviewed exercise trial, and 100–400 mg did not change mood or alertness in human studies.

• Infinergy Dicaffeine MalatePer scoop 68 mgStudies Not setNot gradedEvidence: Not graded

  Not graded: the label gives it in a form or blend we can't turn into a dose (no stated ratio or amount), so it isn't counted. See the methodology.

• N-Methyl L-Tyramine HClPer scoop 20 mgStudies Not setNot gradedEvidence: Not graded

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

• Hordenine HClPer scoop 20 mgStudies Not setNot gradedEvidence: Not graded

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

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.

Taking more doesn't fix this product. Reaching those doses means more than 400 mg of caffeine from the scoops alone, above the FDA's 400 mg daily reference for most adults, before any coffee.

Where the reference doses come from

1. Beta-Alanine, 3.2–6.4 g/day: Harris et al., 2006Hobson et al., 2012Trexler et al., 2015.
2. Betaine Anhydrous, 2.5 g/day: Cholewa et al., 2013Hoffman et al., 2009Zawieja et al., 2024.
3. Caffeine, 3–6 mg/kg: Guest et al., 2021.
4. Creatine Monohydrate, 3–5 g/day: Kreider et al., 2017.
5. L-Citrulline, 4–5.33 g: Gough et al., 2021Vårvik et al., 2021.
6. Daily caffeine reference, 400 mg: US FDA, Spilling the Beans.
7. Label data: National Institutes of Health, Office of Dietary Supplements. Dietary Supplement Label Database, 2026. https://dsld.od.nih.gov/. Label 210095.

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