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Optimum Nutrition Optimum Nutrition Gold Standard Pre-Workout
SPECIMEN #OPTIMUM-
Pre-WorkoutOptimum Nutrition

Optimum Nutrition Gold Standard Pre-Workout

Pre-workout for energy, strength, and some endurance.. The score reflects the strong creatine and caffeine doses, which are crucial for a pre-workout. However, the severe underdosing of L-Citrulline and Beta-Alanine, along with other underdosed ingredients and proprietary blends, significantly detracts from its overall effectiveness and transparency.

7.4/10
VERY GOOD

This pre-workout provides good energy and strength support but significantly underdoses key ingredients for pumps and endurance.

19 ingredientsPowder30 servings
We'd look at alternatives
Evidence
7.0
Dosing
6.0
Synergy
6.5
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WhenBefore workout

It contains stimulants and performance-enhancing ingredients for immediate exercise benefits.

FoodEmpty stomach

This allows for faster absorption and minimizes potential stomach discomfort from stimulants.

SafetyAll clear

Caffeine content is moderate, but individuals should assess their tolerance.

ResearchStrong evidence

Ingredients like Creatine and Caffeine are well-researched, but their effectiveness here is mixed due to dosing of other key compounds.

What We Like

  • Clinical dose of Creatine Monohydrate.
  • Effective, moderate dose of Caffeine.
  • Good range of B vitamins.

Watch Out For

  • Severely underdosed L-Citrulline for pumps.
  • Underdosed Beta-Alanine for acute performance.
  • Underdosed N-Acetyl L-Tyrosine and Acetyl-L-Carnitine HCl.
  • Proprietary blends hide ingredient doses.

What We Analyzed

Optimum Nutrition Gold Standard Pre-Workout Supplement Facts

Verified Supplement Facts

Every dose checked against clinical research

We analyzed the actual supplement facts panel for this product. Every ingredient dose below was cross-referenced with published clinical trials to determine if it matches what studies actually use.

32 ingredients analyzed1 at clinical doses11 underdosed

Source: Official product page

Ingredient Breakdown

1 clinical1 adequate11 underdosed
Clinical Adequate Underdosed Overdosed|Bar = % of clinical dose
IngredientDoseStatusvs. Clinical
Vitamin D310.0
12.5 mcgUNDERDOSED
13%
12.5 mcg

of 4000IU

UNDERDOSED
13%
Thiamin8.0
2 mgUNDERDOSED
4%
2 mg

of 50mg

UNDERDOSED
4%
Niacin10.0
20 mgUNDERDOSED
40%
20 mg

of 50mg

UNDERDOSED
40%
Vitamin B610.0
2 mgUNDERDOSED
20%
2 mg

of 10mg

UNDERDOSED
20%
Folate10.0
340 mcg DFE (200 mcg Folic Acid)UNDERDOSED
43%
340 mcg DFE (200 mcg Folic Acid)

of 800mcg

UNDERDOSED
43%
Vitamin B1210.0
10 mcgUNDERDOSED
1%
10 mcg

of 1000mcg

UNDERDOSED
1%
Pantothenic Acid10.0
10 mgUNDERDOSED
20%
10 mg

of 50mg

UNDERDOSED
20%
Calcium10.0
50 mgUNDERDOSED
5%
50 mg

of 1000mg

UNDERDOSED
5%
In our database (click to learn more) Not yet reviewed
Other Ingredients(inactive)

Natural and Artificial Flavor, Citric Acid, Malic Acid, Calcium Silicate, Silicon Dioxide, Gum Blend, Cellulose Gum, Xanthan Gum, Carrageenan, Sucralose, Tartaric Acid, Acesulfame Potassium, Blue 1

Our Analysis

Best For

Individuals seeking a moderate caffeine boost.Those wanting daily creatine supplementation.Beginners to pre-workouts.

Skip This If

Individuals sensitive to caffeine.Those expecting strong pumps or tingling from beta-alanine.People looking for fully transparent dosing.

Time to Feel

15-30 minutes for caffeine, 1-2 weeks for creatine saturation.

Value

FAIR

How to take: Caffeine should be cycled every 6-8 weeks for 1-2 weeks to maintain sensitivity. Creatine does not require cycling.

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