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Optimum Nutrition Pre-Workout Powder Review: Clean, focused energy for training

Optimum Nutrition Gold Standard Pre Workout Powder, Energy Drink with Creatine Monohydrate, Beta Alanine, Caffeine and Vitamin B Complex, Nutrition Supplement, Watermelon Flavour, 30 Servings, 330 g
4.7
[Banned Substance Tested]  Third-party tested for banned substances, safe for athletes and competitive use.
[Natural Caffeine Boost]  175 mg per serving increases alertness and concentration for intense workouts.
[Creatine for Power]  3.4 g creatine monohydrate enhances high-intensity power, strength and performance.
[B-Vitamin Energy Support]  Vitamins B6 and B12 support energy metabolism and reduce tiredness and fatigue.
[Performance Amino Blend]  Includes L-citrulline, N-Acetyl L-tyrosine and L-carnitine for pump, focus and recovery support.
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Pre-workout supplement promising clean, focused energy and performance for gym and team sports. Optimum Nutrition Pre-Workout Powder helps athletes feel sharper and more sustained through tough sessions. Does the ingredient profile and banned substance testing justify choosing such a formula over other pre-workouts?

⚡ At a Glance
  • Effect Profile: High caffeine boost, creatine for power, beta-alanine and citrulline for endurance and pump
  • Best for: Gym and fitness lovers, team sports players and professional athletes seeking alertness and strength
  • Not ideal for: Anyone sensitive to stimulants or looking for a stimulant-free pre-workout

Pre-workout powder with 3.4 g creatine monohydrate and 175 mg caffeine per serving, plus beta-alanine and B vitamins. Informed Choice banned substance tested and designed as a ready-to-mix shake.


Sharper focus and alertness - with 175 mg caffeine from natural sources

Each serving contains 175 mg of caffeine listed as from natural sources, accompanied by a citation that caffeine contributes to increased alertness and improved concentration. The formula highlights high dose caffeine aimed at enhancing focus for workouts.

A clean lift helps sustain concentration during sessions, and user reports mention focused energy without jittery side effects.

Short-term power increase - with 3.4 g creatine monohydrate

A stated 3.4 g of creatine monohydrate per serving is included and described as an effective dose to increase high intensity power and performance. Creatine is presented specifically for boosting short-term power output.

Supports heavier sets and repeated sprints in training, helping athletes push through high-intensity efforts.

Endurance and exercise support - with beta-alanine and L-citrulline

Formula lists beta-alanine and L-citrulline among active components, and user feedback ties these ingredients to endurance benefits. Beta-alanine and citrulline malate appear in descriptions and reviews as part of the endurance-focused blend.

Contributes to sustained effort for longer sets and improved sense of endurance during workouts, according to user experience.

✨ The 4 Key Reasons for Optimum Nutrition Pre-Workout Powder
  1. Easy Mixing - Smooth shakes with no clumps for quick pre-gym preparation
  2. Pleasant Watermelon Flavour - Enjoyable taste helps maintain consistent daily use
  3. Vitamin B Complex - Supports energy-yielding metabolism and reduces tiredness and fatigue
  4. 30 Servings Per Tub - Convenient quantity for regular training across several weeks
📋 Technical Details at a Glance
  • Category: Pre-workout supplement
  • Flavour: Watermelon
  • Servings per tub: 30
  • Net weight: 330 g
  • Serving suggestion: 1 level scoop to 350 ml cold water
❓ Frequently Asked Questions

Q: How much creatine and caffeine are in a single serving?

A: Each serving contains 3.4 g of creatine monohydrate and 175 mg of caffeine from natural sources.

Q: How should the powder be prepared?

A: Add one level scoop to 350 ml of cold water, mix, and serve for a ready-to-drink pre-workout shake.

Q: Is the formula tested for banned substances?

A: Yes, the formula carries an Informed Choice banned substance tested certification.

🏆 Our Verdict

Suitable for gym-goers, team sports players and athletes seeking a focused, stimulant-driven pre-workout boost. A high-dose caffeine lift paired with an effective creatine amount and B vitamin support, combined with Informed Choice testing, is the package's main selling point. Buyers should weigh stimulant content against personal tolerance, but consistent ingredient doses and third-party testing deliver clear long-term value for committed users.