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Supplements ยท Pre-Workout

Best Pre-Workout Supplements 2025

The pre-workout market is saturated with products that are mostly caffeine with proprietary blends hiding underdosed ingredients. A handful are genuinely well-formulated with clinically effective doses of ingredients that actually improve performance. Here's how to tell the difference.

Key ingredients that work: Caffeine (150โ€“300mg), L-Citrulline (6โ€“8g), Beta-Alanine (3.2g), Creatine (5g), L-Theanine (pairs with caffeine for clean energy). If you can't see the doses, skip it.

Best Pre-Workouts Ranked

#1 โ€” Best Overall

Transparent Labs BULK

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200mg caffeine
8g citrulline
No proprietary blend

Every ingredient fully disclosed with clinical doses. 8g L-Citrulline Malate, 4g beta-alanine, 2.5g betaine, 200mg caffeine paired with 100mg L-theanine for clean focus without jitters. This is what a pre-workout should look like. No artificial colors, no underdosed ingredients hidden in blends. Strawberry Lemonade and Peach Mango are excellent flavors.

#2 โ€” Best for Beginners

C4 Original

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150mg caffeine
Best value
60 servings

The entry-level standard for a reason โ€” accessible price, reliable 150mg caffeine, and a moderate dose of beta-alanine. Not as clinically dosed as Transparent Labs but a solid starting point for anyone new to pre-workout. You get 60 servings per tub, which means it's one of the cheapest cost-per-serving options available. Watermelon flavor is the classic choice.

#3 โ€” Best Stim-Free

Legion Pulse Stim-Free

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0mg caffeine
8g citrulline
Evening workouts

Full clinical doses of all performance ingredients โ€” without caffeine. Ideal for evening training, caffeine-sensitive individuals, or people already taking stimulants from other sources. Legion is one of the most scientifically rigorous supplement companies, with peer-reviewed citations for every ingredient. The pump and endurance benefits are real without the stimulant side effects.

#4 โ€” Best High Stim

Gorilla Mode

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350mg caffeine
9g citrulline
Advanced users

Not for beginners โ€” 350mg caffeine per serving is aggressive. For experienced users who've built caffeine tolerance, Gorilla Mode delivers noticeable performance improvements with one of the highest citrulline doses on the market (9g). Full label transparency. Start with half a scoop to assess tolerance. Not recommended for people on blood pressure medications or GLP-1 users with cardiovascular concerns.

#5 โ€” Best Natural

Kaged Pre-Kaged Elite

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388mg caffeine
Informed Sport
Fermented aminos

Informed Sport certified โ€” tested for banned substances, important for athletes in tested sports. Uses fermented plant-based amino acids rather than synthetic. One of the most complete formulas available with creatine, BCAAs, citrulline, and electrolytes included. Premium price, but replaces several other supplements in one product.

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