Pre Workout Stimulant Free

Name: Pre Workout Stimulant Free
Brand: NutraBio
Price: 49.99 USD
Availability: InStock

Photo and title link to Amazon · paid link, a search, not a verified listing · the rating is unaffected

Dose integrity 45% weight 8.96/10

Value 30% weight 1.82/10

Consensus 25% weight 9.60/10

Cost in category per dosed serving

$2.79 median

$1.000 Cheaper than 18% of 34 scored pre-workouts $3.33

Consensus source: 4.8/5 across 68 buyer reviews on the brand's storefront · source ↗ · captured 2026-10-06. Brand-site reviews skew positive; see how we rate.

6.98/ 10

Composite score Strong

Composite score · 100% of category weighting covered

Nutrition

30.2 g per serving · 20 servings per container
Nutrition (per serving)	Amount
Protein	not enough data
Calories	not enough data
Total Carbs	not enough data
Sugar	not enough data
Sugar Alcohols	not enough data
Fat	not enough data
Fiber	not enough data
Sodium	60 mg

Dose audit

Ingredient	Disclosed dose	Clinical threshold	Status	Source
L-Citrulline	10,000 mg	6,000 mg	MET	Bailey et al., J Appl Physiol 2015 — trial dosing 6 g/day
Betaine Anhydrous	4,100 mg	2,500 mg	MET	Cholewa et al., J Int Soc Sports Nutr 2013 — 2.5 g/day
Beta-Alanine	3,200 mg	3,200 mg	MET	Trexler et al., ISSN Position Stand 2015 — 3.2 g/day maintenance
Taurine	2,000 mg	1,000 mg	MET	Waldron et al., Sports Med 2018 — meta-analysis; 1-3 g acute pre-exercise
L-Tyrosine	1,500 mg	1,000 mg	MET	Jongkees et al., J Psychiatr Res 2015 — review of stress/cognitive-demand studies; acute dosing from 1 g
Alpha-GPC	300 mg	300 mg	MET	Ziegenfuss et al., J Int Soc Sports Nutr 2008 — 300-600 mg
Choline Bitartrate	550 mg	2,000 mg	UNDER	Naber, Hommel & Colzato, Sci Rep 2015;5:13188 — trial dosing 2 g