Legion Athletics

Legion built its reputation as the anti-proprietary-blend sports nutrition brand, and its flagship Pulse pre-workout shows why. Every ingredient and exact dose is printed on the label — Legion Athletics is fully transparent about everything that's in Pulse, and the product is third-party tested — and formulas are built at research-backed levels rather than the "fairy dusting" common in this category. Pulse delivers clinically effective doses of 6 ingredients that increase energy, focus, strength, and stamina, with peer-reviewed scientific studies supporting the combination of ingredients and doses. The formula centers on citrulline malate, beta-alanine, betaine, caffeine, L-theanine, and Alpha-GPC, with a 1:1 caffeine and L-theanine ratio designed for steady drive without the "wired" jitters or a post-workout crash. Garage Gym Reviews + 2 The clean-label credentials run through the whole product, not just the actives: Pulse is naturally sweetened and flavored with extracts from fruits, vegetables, plants, and other foods — no artificial sweeteners, flavors, food dyes, fillers, or other unnecessary junk — and is made in America in NSF-certified, FDA-inspected facilities adhering to cGMP standards. On verification, products are tested for purity and potency in an ISO 17025 accredited third-party lab, and independently certified to contain no contaminants or banned substances by Labdoor, with the latest Certificate of Analysis and Labdoor report viewable directly on product pages — the publish-the-receipts approach we hold as the gold standard. Legion + 2 A few honest notes for our readers. The full two-scoop clinical dose of caffeinated Pulse contains 350 mg of caffeine per serving, and the label advises against use if you're under 18, pregnant or nursing, consuming caffeine from other sources, or if you have pre-existing medical conditions or take prescription medications without consulting a healthcare professional. That's a substantial stimulant load — start with one scoop, and know that a stim-free version of Pulse exists with clinically dosed performance ingredients and zero caffeine. Reviewers also note that clinically dosed, naturally flavored formulas carry trade-offs: raw ingredients like citrulline are naturally bitter or sour and can be difficult to mask, and quality ingredients at full doses mean a higher price per serving than mainstream pre-workouts. SameDaySupplements + 2 We recommend Legion because it checks every Clean Label HQ box without an asterisk: no proprietary blends anywhere in the catalog, exact doses disclosed, natural sweeteners and flavors only, ISO-accredited lab testing with published COAs, and independent Labdoor certification. In the pre-workout category — historically one of the worst offenders for hidden blends and dubious stimulants — that combination is genuinely rare.