Is Legion Pulse Stim-Free underdosed?

• CalciumPer scoop 118 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.

• SodiumLabel: Sodium (Sodium Chloride, Sodium Citrate)Per scoop 55 mgStudies Not setNot gradedEvidence: Not graded

  Contains 110 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).

• Potassium (Tripotassium Citrate Monohydrate)Per 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.

• L-CitrullineLabel: L-Citrulline DL-MalatePer scoop 8 g per serving, as printedStudies 4–5.33 gNot gradedEvidence: Weak

  Listed as “L-Citrulline DL-Malate”, a form we have no conversion for, so it isn't graded.

• Beta-AlanineLabel: CarnoSyn (Beta-Alanine)Per scoop 1.8 gStudies 3.2–6.4 g/dayEffective doseEvidence: Strong

  Contains 3.6 g; studies use 3.2–6.4 g/day.

• Betaine AnhydrousPer scoop 1.25 gStudies 2.5 g/dayEffective doseEvidence: Moderate

  Contains 2.5 g; studies use 2.5 g/day.

• Alphasize Alpha-Glyceryl Phosphoryl CholinePer scoop 150 mgStudies Not setNot gradedEvidence: Not 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.

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. L-Citrulline, 4–5.33 g: Gough et al., 2021Vårvik et al., 2021.
4. Daily caffeine reference, 400 mg: US FDA, Spilling the Beans.
5. Label data: National Institutes of Health, Office of Dietary Supplements. Dietary Supplement Label Database, 2026. https://dsld.od.nih.gov/. Label 248750.

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