Pre-workout is the category most often found spiked with undeclared stimulants. These products carry a published third-party test.
What this list is. Every product below has a published certificate from an independent testing program. That means a named third party tested it and released the result. It does not mean the product is safe, pure, or better than one that is not listed, and a product missing from this page may simply have no certificate we can see.
| Program | Products |
|---|---|
| NSF Certified Dietary | 55 |
| NSF Certified for Sport | 53 |
| Informed-Sport | 52 |
| Informed-Choice | 23 |
| Labdoor | 2 |
| Brand | Product | Program | Tested |
|---|---|---|---|
| 1st Phorm | Megawatt Caffeine Enhanced Nootropic Pre-Workout Cherry Blast | NSF Certified for Sport | |
| 1st Phorm | Megawatt Caffeine Enhanced Nootropic Pre-Workout Melon Berry | NSF Certified for Sport | |
| 1st Phorm | Megawatt Caffeine Enhanced Nootropic Pre-Workout Sweet Peach | NSF Certified for Sport | |
| 1st Phorm | Pre-Workout | NSF Certified for Sport | |
| 2before Performance Nutrition | 2before Performance Pre Workout | Informed-Sport | |
| 2before Performance Nutrition | 2before Performanceenergy Pre Workout | Informed-Sport | |
| Abe Preworkout 390g Usa | Abe Preworkout 390g Usa | Informed-Sport | |
| Advocare | Pre Workout | Informed-Sport | |
| Antidote Pre Workout | Antidote Pre Workout | Informed-Sport | |
| Assault Preworkout | Assault Preworkout | Informed-Sport | |
| Athena | Preworkout Electrolytes | Informed-Sport | |
| Athena | Preworkout Electrolytes Caffeine | Informed-Sport | |
| ATHLEAN-RX | ATHLEAN-RX X-CITE PRE WORKOUT Fresh Squeezed Orange | NSF Certified for Sport | |
| ATHLEAN-RX | ATHLEAN-RX X-CITE PRE WORKOUT Fruit Punch | NSF Certified for Sport | |
| ATHLEAN-RX | ATHLEAN-RX X-CITE PRE WORKOUT Icy Berry Blast | NSF Certified for Sport | |
| ATHLEAN-RX | ATHLEAN-RX X-CITE PRE WORKOUT Jolly Watermelon Pucker | NSF Certified for Sport | |
| ATHLEAN-RX | ATHLEAN-RX X-CITE PRE WORKOUT Rocket Pop | NSF Certified for Sport | |
| ATHLEAN-RX | ATHLEAN-RX X-CITE PRE WORKOUT Sour Blue Raspberry | NSF Certified for Sport | |
| ATHLEAN-RX | ATHLEAN-RX X-CITE PRE WORKOUT Sour Green Apple | NSF Certified for Sport | |
| ATHLEAN-RX | ATHLEAN-RX X-CITE PRE WORKOUT Sour Gummy Candy | NSF Certified for Sport | |
| ATHLEAN-RX | ATHLEAN-RX X-CITE PRE WORKOUT Sunny Pink Lemonade | NSF Certified for Sport | |
| ATHLEAN-RX | X-CITE PRE WORKOUT | NSF Certified for Sport | |
| ATHLEAN-RX X-CITE PRE | ATHLEAN-RX X-CITE PRE WORKOUT Cherry Lemon Ice | NSF Certified Dietary | |
| ATHLEAN-RX X-CITE PRE | ATHLEAN-RX X-CITE PRE WORKOUT Fresh Squeezed Orange | NSF Certified Dietary | |
| ATHLEAN-RX X-CITE PRE | ATHLEAN-RX X-CITE PRE WORKOUT Fruit Punch | NSF Certified Dietary | |
| ATHLEAN-RX X-CITE PRE | ATHLEAN-RX X-CITE PRE WORKOUT Icy Berry Blast | NSF Certified Dietary | |
| ATHLEAN-RX X-CITE PRE | ATHLEAN-RX X-CITE PRE WORKOUT Jolly Watermelon Pucker | NSF Certified Dietary | |
| ATHLEAN-RX X-CITE PRE | ATHLEAN-RX X-CITE PRE WORKOUT Rocket Pop | NSF Certified Dietary | |
| ATHLEAN-RX X-CITE PRE | ATHLEAN-RX X-CITE PRE WORKOUT Sour Blue Raspberry | NSF Certified Dietary | |
| ATHLEAN-RX X-CITE PRE | ATHLEAN-RX X-CITE PRE WORKOUT Sour Green Apple | NSF Certified Dietary | |
| ATHLEAN-RX X-CITE PRE | ATHLEAN-RX X-CITE PRE WORKOUT Sour Gummy Candy | NSF Certified Dietary | |
| ATHLEAN-RX X-CITE PRE | ATHLEAN-RX X-CITE PRE WORKOUT Sunny Pink Lemonade | NSF Certified Dietary | |
| Bare Performance Nutrition | Flight / Pre Workout | NSF Certified for Sport | |
| be LEGEND | Be Legend Pre Workout | Informed-Sport | |
| Biogen | Premium Pre Workout | Informed-Sport | |
| Black Series Non Stim Pump Preworkout Usa | Black Series Non Stim Pump Preworkout Usa | Informed-Sport | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Blood Raz | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Blue Raz | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Cherry Candy | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Freedom Pop | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Grape Gainz | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Miami | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Rocket Pop | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Sour Power | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout South Beach | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Strawberry Kiwi | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Strawberry Watermelon | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout Watermelon | NSF Certified Dietary | |
| Bucked Up Pre-workout | Bucked Up® Pre-workout White Gummy Deer | NSF Certified Dietary | |
| BULK | Elevate Pre Workout | Informed-Sport | |
| BULK | Elevate Zero Pre Workout | Informed-Sport | |
| Caffeinated Pre Workout | Caffeinated Pre Workout | Informed-Sport | |
| Cbum Essential Charged Pre Workout | Cbum Essential Charged Pre Workout | Informed-Sport | |
| Core Med Science | Pre-Workout | NSF Certified for Sport | |
| Dymatize Nutrition | Energyze Pre Workout Usa | Informed-Choice | |
| Dynomight Explosive Pre-Workout | Dynomight® Explosive Pre-Workout Variety Pack | NSF Certified Dietary | |
| Fast Twitch Pre-Workout Supplement | Fast Twitch Pre-Workout Supplement - Grape | NSF Certified for Sport | |
| FORMUFIT | FORMUFIT by H-E-B™ - Pre-Workout - Blue Raspberry | NSF Certified Dietary | |
| FORMUFIT | FORMUFIT by H-E-B™ - Pre-Workout - Fruit Punch | NSF Certified Dietary | |
| FORMUFIT | FORMUFIT by H-E-B™ - Pre-Workout - Jamaica | Hibiscus with Lime | NSF Certified Dietary | |
| FORMUFIT by H-E-B | FORMUFIT by H-E-B™ - Pre-Workout - Fruit Punch | NSF Certified for Sport | |
| FORMUFIT by H-E-B | FORMUFIT by H-E-B™ - Pre-Workout - Jamaica | Hibiscus with Lime | NSF Certified for Sport | |
| FORMUFIT by H-E-B | Pre-Workout | NSF Certified for Sport | |
| Full Send | Preworkout | Informed-Sport | |
| Garden of Life | Sport Organic Pre-Workout Energy + Focus | NSF Certified for Sport | |
| Garden of Life | Sport Organic Pre-Workout Energy + Focus Sugar Free Blackberry Cherry | NSF Certified for Sport | |
| Gnarly Nutrition | Gnarly PREworkout Strawberry Lemonade | NSF Certified for Sport | |
| Gnarly PREworkout Mango | Gnarly PREworkout Mango | NSF Certified Dietary | |
| Gnarly PREworkout Strawberry | Gnarly PREworkout Strawberry Lemonade | NSF Certified Dietary | |
| Gnc | Amp Tri Phase Multi Action Pre Workout | Informed-Choice | |
| Gnc | Gnc Pro Performance Pre Workout India | Informed-Choice | |
| Gnc | Gnc Pro Performance Preworkout | Informed-Choice | |
| Gold Standard Pre Workout Elite Series | Gold Standard Pre Workout Elite Series | Informed-Sport | |
| Grenade | Pre Workout | Informed-Sport | |
| Humann | Humann Sport Pre-Workout Beet Powder | NSF Certified for Sport | |
| Just Ingredients, | Strawberry Limeade Pre-Workout | NSF Certified for Sport | |
| Klean | Klean Pre-Workout | NSF Certified Dietary | |
| Klean Athlete | Klean Pre-Workout | NSF Certified for Sport | |
| Klean Athlete | Klean Pre-Workout Natural Lemon Tea Flavor | NSF Certified for Sport | |
| Klean Pre-Workout Natural | Klean Pre-Workout Natural Lemon Tea Flavor | NSF Certified Dietary | |
| KREO | KREO® EXTREME-LIPOSOMAL® PREWORKOUT | NSF Certified for Sport | |
| KREO EXTREME-LIPOSOMAL PREWORKOUT | KREO® EXTREME-LIPOSOMAL® PREWORKOUT | NSF Certified Dietary | |
| Ladder | PREMIUM PRE-WORKOUT STRAWBERRY LEMONADE | NSF Certified for Sport | |
| Legion Pulse Pre-Workout Drink | Legion Pulse Pre-Workout Drink | Labdoor | |
| Legion Pulse Sport Pre-Workout | Legion Pulse Sport Pre-Workout | Labdoor | |
| Little Dragon | Extreme Pre Workout Shot | Informed-Sport | |
| Little Dragon | Little Dragon Extreme Pre Workout | Informed-Sport | |
| LTH | LTH PUMP PRE WORKOUT GRAPE | NSF Certified for Sport | |
| LTH | LTH PUMP PRE-WORKOUT DARK CHERRY | NSF Certified for Sport | |
| LTH | LTH PUMP PRE-WORKOUT DARK CHERRY | NSF Certified for Sport | |
| LTH | LTH PUMP PRE-WORKOUT TROPICAL BREEZE | NSF Certified for Sport | |
| LTH | LTH PUMP PRE-WORKOUT TROPICAL BREEZE | NSF Certified for Sport | |
| LTH | PUMP PRE-WORKOUT | NSF Certified for Sport | |
| LTH PUMP PRE | LTH PUMP PRE WORKOUT BLUEBERRY WATERMELON | NSF Certified Dietary | |
| LTH PUMP PRE | LTH PUMP PRE WORKOUT GRAPE | NSF Certified Dietary | |
| LTH PUMP PRE-WORKOUT | LTH PUMP PRE-WORKOUT DARK CHERRY | NSF Certified Dietary | |
| LTH PUMP PRE-WORKOUT | LTH PUMP PRE-WORKOUT TROPICAL BREEZE | NSF Certified Dietary | |
| Megawatt Caffeine Enhanced | Megawatt Caffeine Enhanced Nootropic Pre-Workout Berry Lemonade | NSF Certified Dietary | |
| Megawatt Caffeine Enhanced | Megawatt Caffeine Enhanced Nootropic Pre-Workout Cherry Blast | NSF Certified Dietary | |
| Megawatt Caffeine Enhanced | Megawatt Caffeine Enhanced Nootropic Pre-Workout Melon Berry | NSF Certified Dietary | |
| Megawatt Caffeine Enhanced | Megawatt Caffeine Enhanced Nootropic Pre-Workout Sweet Peach | NSF Certified Dietary | |
| Momentous | Pre Workout - Citrus | NSF Certified for Sport | |
| Move Pre Workout Strength Formula | Move Pre Workout Strength Formula | Informed-Sport | |
| Musashi Pre Workout Zero Caffeine | Musashi Pre Workout Zero Caffeine | Informed-Sport | |
| Musashi Reaper Pre Workout Max Strength | Musashi Reaper Pre Workout Max Strength | Informed-Sport | |
| Musashi Reaper Pre Workout Max Strength Usa | Musashi Reaper Pre Workout Max Strength Usa | Informed-Sport | |
| Myprotein | Mypro Pre Workout Gel | Informed-Choice | |
| Myprotein | Mypro Pre Workout Global Excl Usa Can | Informed-Choice | |
| OIAM | Prepare - Pre-workout | NSF Certified for Sport | |
| Optimum Nutrition | Gold Standard Pre Workout Europe | Informed-Choice | |
| Optimum Nutrition | Gold Standard Pre Workout India | Informed-Choice | |
| Optimum Nutrition | Gold Standard Pre Workout Shot | Informed-Choice | |
| Optimum Nutrition | Gold Standard Pre Workout Usa Gold Standard Pre Workout Oceania | Informed-Choice | |
| Optimum Nutrition | Platinum Pre Workout | Informed-Choice | |
| Optimum Nutrition | Platinum Pump Pre Workout | Informed-Choice | |
| Optimum Nutrition | Pre Workout Amped | Informed-Choice | |
| Optimum Nutrition | Pre Workout Amplifier | Informed-Choice | |
| PODIUM ATHLETE PREWORKOUT | PODIUM® ATHLETE PREWORKOUT: STRAWBERRY WATERMELON | NSF Certified Dietary | |
| PODIUM Fuse | PODIUM® Fuse 2025 Preworkout Blue Razz Slushie | NSF Certified Dietary | |
| PODIUM Fuse | PODIUM® Fuse 2025 Preworkout Sour Watermelon | NSF Certified Dietary | |
| Podium Nutrition | Podium Athlete Preworkout | Informed-Sport | |
| Podium Nutrition | PODIUM® Fuse 2025 Preworkout Sour Watermelon | NSF Certified for Sport | |
| PODIUMNutrition | PODIUM® ATHLETE PREWORKOUT: STRAWBERRY WATERMELON | NSF Certified for Sport | |
| PODIUMNutrition | PODIUM® Athlete Preworkout Sour Watermelon 25 servings | NSF Certified for Sport | |
| PODIUMNutrition | PODIUM® Fuse 2025 Preworkout Blue Razz Slushie | NSF Certified for Sport | |
| Pre Workout | Pre Workout | Informed-Sport | |
| Pre Workout 0 | Pre Workout 0 | Informed-Sport | |
| Pre Workout 1 | Pre Workout 1 | Informed-Sport | |
| Pre Workout 2 | Pre Workout 2 | Informed-Sport | |
| Pre Workout 3 | Pre Workout 3 | Informed-Sport | |
| Pre Workout Benefits | Pre Workout Benefits | Informed-Sport | |
| Pre Workout Drink Benefits | Pre Workout Drink Benefits | Informed-Sport | |
| Pre Workout Drink Red Fruits | Pre Workout Drink Red Fruits | Informed-Sport | |
| Pre Workout Elite Series | Pre Workout Elite Series | Informed-Sport | |
| Pre Workout Elite Series Stimulant Free | Pre Workout Elite Series Stimulant Free | Informed-Sport | |
| Pre Workout Fuel All Blacks | Pre Workout Fuel All Blacks | Informed-Sport | |
| Pre Workout Fuel Caffeine All Blacks | Pre Workout Fuel Caffeine All Blacks | Informed-Sport | |
| Pre Workout Gummies | Pre Workout Gummies | Informed-Sport | |
| Pre Workout Max | Pre Workout Max | Informed-Sport | |
| Pre Workout Pro St | Pre Workout Pro St | Informed-Sport | |
| Pre Workout Sport | Pre Workout Sport | Informed-Sport | |
| Pre Workout Stim Free | Pre Workout Stim Free | Informed-Sport | |
| Pre-Workout | Pre-Workout | NSF Certified Dietary | |
| Precision Engineered by Holland & Barrett | Performance Pre Workout | Informed-Sport | |
| Precision Engineered by Holland & Barrett | Pump Zero Pre Workout | Informed-Sport | |
| Prepare | Prepare - Pre-workout | NSF Certified Dietary | |
| Preworkout Plus | Inc Preworkout Plus | Informed-Sport | |
| Prosupps | Hyde Nightmare Pre Workout | Informed-Choice | |
| PRTCL Products | Stamina Energy Focus Pre Workout Supplement | Informed-Sport | |
| PUMP Caffeine-Free Pre-Workout | PUMP Caffeine-Free Pre-Workout Dark Cherry | NSF Certified Dietary | |
| PUMP Caffeine-Free Pre-Workout | PUMP Caffeine-Free Pre-Workout Tropical Breeze | NSF Certified Dietary | |
| Purist | Pre-Workout | NSF Certified for Sport | |
| Purist | Purist Pre-Workout Strawberry Lemonade | NSF Certified for Sport | |
| Pvl Gold Series | Pvl Gold Series Domin8 Sport Pre Workout | Informed-Choice | |
| Raw Nutrition | Raw Essential Pre Workout | Informed-Sport | |
| Reebok Reeenergize Pre Workout Creatine | Reebok Reeenergize Pre Workout Creatine | Informed-Sport | |
| Sport Organic Pre-Workout | Sport Organic Pre-Workout Energy + Focus Blackberry | NSF Certified Dietary | |
| Sport Organic Pre-Workout | Sport Organic Pre-Workout Energy + Focus Sugar Free Blackberry Cherry | NSF Certified Dietary | |
| Stim Free Pre Workout | Stim Free Pre Workout | Informed-Sport | |
| Strawberry Limeade Pre-Workout | Strawberry Limeade Pre-Workout | NSF Certified Dietary | |
| Supp24 | Pre Workout Extreme | Informed-Sport | |
| Supp24 | Pre Workout Light | Informed-Sport | |
| Syncron | Syncron Pre Workout | NSF Certified for Sport | |
| Syncron | Syncron Pre Workout Watermelon-Kiwi | NSF Certified for Sport | |
| Thorne | Thorne® Advanced Pre-Workout (Rainbow Sherbet Flavor) | NSF Certified for Sport | |
| Thorne | Thorne® Pre-Workout Elite | NSF Certified for Sport | |
| Thorne Advanced Pre-Workout | Thorne® Advanced Pre-Workout (Rainbow Sherbet Flavor) | NSF Certified Dietary | |
| Thorne Pre-Workout Elite | Thorne® Pre-Workout Elite | NSF Certified Dietary | |
| Tier 1 Preworkout Big 3 | Tier 1 Preworkout Big 3 | Informed-Sport | |
| Transparent Labs | Bulk Black Pre Workout | Informed-Choice | |
| Transparent Labs | Bulk Pre Workout | Informed-Choice | |
| Transparent Labs | Lean Pre Workout | Informed-Choice | |
| Transparent Labs | Stim Free Pre Workout | Informed-Choice | |
| TRUE ATHLETE BY THE VITAMIN SHOPPE | TRUE ATHLETE® Pre-Workout | NSF Certified for Sport | |
| TRUE ATHLETE BY THE VITAMIN SHOPPE | TRUE ATHLETE® Pre-Workout Mango | NSF Certified for Sport | |
| TRUE ATHLETE BY THE VITAMIN SHOPPE | TRUE ATHLETE® Pre-Workout Strawberry Lemonade | NSF Certified for Sport | |
| Unbreakable Performance | Pre Workout | Informed-Choice | |
| Vega | Pre Workout Energy | Informed-Choice | |
| Winzone | Winzone Preworkout 1rep | Informed-Choice | |
| ZOA | ZOA + Pre-Workout Dietary Supplement Cherry Lime | NSF Certified Dietary | |
| ZOA | ZOA + Pre-Workout Dietary Supplement Fruit Punch | NSF Certified Dietary | |
| ZOA | ZOA + Pre-Workout Dietary Supplement Wild Berry | NSF Certified Dietary | |
| ZOA+ | Pre-Workout | NSF Certified for Sport | |
| ZOA+ | ZOA + Pre-Workout Dietary Supplement Fruit Punch | NSF Certified for Sport | |
| ZOA+ | ZOA + Pre-Workout Dietary Supplement Wild Berry | NSF Certified for Sport |
ScanCheck indexes published certificates from independent testing programs. We do not run these tests and are not paid by any brand to appear here.