Pump N Grind® Explosive Pre-Workout Formula

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Pump Chasers Pump N Grind - Powerful Preworkout

Pump Chasers brings you the all new powerful pre-workout, Pump N' Grind! This top of the line product features clinically dosed ingredients that will help bring you the explosive energy that you need to make every rep count! Pump N' Grind also focuses on the muscle building compounds by adding in Creatine Monohydrate and the perfect dose of Betaine Nitrate to get that pump that makes everyone in the gym stop and stare! You'll notice that the pumps, focus and energy you get from this product are unlike any pre-workout you've ever tried!


The granddaddy of all natural muscle builders, creatine monohydrate needs no introduction or lengthy explanation. It’s been around a long time and has been shown countless times to be effective for athletes of all kinds.

Creatine improves hydration, supports lean mass gains, boosts strength, blunts fatigue, and accelerates recovery.[1,2] It also supports cognitive function, too![3] There’s a reason creatine is the first supplement many people use, it flat out works!


To make jaw-dropping gains, you have to be willing to push farther and harder than ever before, and beta alanine is the supplement to help you last longer in the gym. Beta alanine increases carnosine levels in skeletal muscle, which improves your body’s ability to buffer metabolic waste products that accumulate during exercise.[4] This translates to increased endurance and stamina with less fatigue and “burning” in the muscle.[5,6] In combination with creatine, the two create a powerful 1-2 strength and muscle-building punch.



Taurine is a amino acid that delivers a plethora of benefits to hard training athletes. As an osmolyte, taurine encourages your cells to soak up extra water, which improves hydration and endurance.[7]

Ingesting Taurine before exercising can improve performance in trained athletes and research shows that Taurine speeds recovery time and helps protect muscle damage caused by exercise, significantly reducing muscle breakdown, increasing the results of your workouts.

Taurine also synergizes with the well-known CNS stimulant caffeine (also contained in Pump n Grind) to enhance focus and reduce mental fatigue[8], and to cap it off, taurine can even reduce muscle breakdown and improve recovery from training.[9]


N-Acetyl Cysteine (NAC) is an extremely powerful antioxidant that protects against oxidative stress and supports increased production of glutathione, another high-powered antioxidant in the body.[10,11] NAC isn’t just for protection though, it also improves performance by enhancing nitric oxide production for better blood flow and bigger pumps![12]


Establishing a strong mind-muscle connection is essential to making the most of the endless hours you spend training in the gym. Without it, you’re never truly getting the most out of your training sessions. That’s where Alpha GPC comes in.

This highly bioavailable form of choline increases production of the “learning” neurotransmitter, acetylcholine, which is responsible for establishing the mind-muscle connection and ensuring you stay focused throughout your entire workout.[13,14,15]


Few other ingredients are as effective at increasing nitric oxide production than citrulline malate. It’s more effective than L-Arginine, and proven to be a valuable ergogenic aid.[16] Citrulline Malate improves blood flow and nutrient delivery, along with enhancing energy production and endurance while training.[17,18] It also delivers some of the biggest pumps you’ve ever experienced too!


Nitrates are another equally powerful stimulator of nitric oxide production in the body, though nitrates work via a different pathway. That means with Pump N Grind you get double the effectiveness for supreme nitric oxide production, generating superior performance and massive pumps.

Nitrates act as powerful vasodilators that enhance blood flow to working muscles, improving power and performance.[19,20,21] They also make your body more efficient at exercise by decreasing the cost of oxygen used by your body during intense training.[22,23]

One reason Betaine Nitrate is able to help your endurance and extend your workouts is by increasing both aerobic and anaerobic metabolisms. It may also increase performance during workouts by improving fatty acid and lactate metabolism – all while expanding intracellular volume. Cortisol levels have been lowered when using Betaine before exercising. Additionally, Betaine Nitrate may have multiple mechanisms that increase nitric oxide blood levels to assist in the increase of vascular function.


Included in the research-backed 2:1:1 ratio, the three branched-chain amino acids (BCAAs) are included for their ability to promote lean mass gains via stimulation of the mTOR pathway in the body. BCAAs also improve endurance and stamina while training as they are immediate oxidized for energy by working muscles.[24,25]


Tyrosine is an amino acid that increases production of the dopamine, adrenaline (epinephrine), and noradrenaline (norepinephrine). These three neurotransmitters bolster focus, enhance mood, and provide extra motivation for you to get in the gym and utterly obliterate the iron.[25,26] Tyrosine also combats stress, helping you stay calm, cool, and collected no matter how intense things get during the workout.


To get you jacked up and ready to train like a true Pump Chaser, Pump N Grind includes a stout 300mg dose of the potent CNS stimulant, caffeine. Not much can be said about this ingredient you don’t already know and love. It elevates mood, focus, energy, and alertness. And, it’s even proven to improve your physical performance too. Caffeine is what ties everything together in Pump N Grind to create the ultimate pre workout training fuel.

1. Netreba, A; [Creatine as a metabolic controller of skeletal muscles structure and function in strength exercises in humans].; Ross Fiziol; 2006

2. Bemben, M; The effects of supplementation with creatine and protein on muscle strength following a traditional resistance training program in middle-aged and older men.; Neuromuscular Lab, Dept. Health & Exercise Science, U. Oklahoma; 2010

3. Rae C, Digney AL, McEwan SR, Bates TC. Oral creatine monohydrate supplementation improves brain performance: a double-blind, placebo-controlled, cross-over trial. Proceedings of the Royal Society B: Biological Sciences. 2003;270(1529):2147-2150. doi:10.1098/rspb.2003.2492.

4. Baguet, A et al.; Journal of Applied Physiology; “Important role of muscle carnosine in rowing performance;” July 2010;” 2005

5. Trexler ET, Smith-Ryan AE, Stout JR, et al. International society of sports nutrition position stand: Beta-Alanine. Journal of the International Society of Sports Nutrition. 2015;12:30. doi:10.1186/s12970-015-0090-y.

6. Hobson RM, Saunders B, Ball G, Harris RC, Sale C. Effects of β-alanine supplementation on exercise performance: a meta-analysis. Amino Acids. 2012;43(1):25-37. doi:10.1007/s00726-011-1200-z.

7. Pasantes-Morales H, Quesada O, Morán J. Taurine: An Osmolyte in Mammalian Tissues. In: Shaffer S, Lombardini JB, Huxtable RJ, eds. Taurine 3: Cellular and Regulatory Mechanisms. Boston, MA: Springer US; 1998:209-217. doi:10.1007/978-1-4899-0117-0_27.

8. Warburton DM, Bersellini E, Sweeney E. An evaluation of a caffeinated taurine drink on mood, memory and information processing in healthy volunteers without caffeine abstinence. Psychopharmacology (Berl). 2001;158(3):322-328. doi:10.1007/s002130100884.

9. da Silva LA, Tromm CB, Bom KF, et al. Effects of taurine supplementation following eccentric exercise in young adults. Appl Physiol Nutr Metab = Physiol Appl Nutr Metab. 2014;39(1):101-104. doi:10.1139/apnm-2012-0229.

10. Winterbourn CC1, Metodieva D; The reaction of superoxide with reduced glutathione . Arch Biochem Biophys. (1994)

11. Cardey B1, Foley S, Enescu M; Mechanism of thiol oxidation by the superoxide radical . J Phys Chem A. (2007)

12. Xia Z, Nagareddy PR, Guo Z, Zhang W, McNeill JH. Antioxidant N-acetylcysteine restores systemic nitric oxide availability and corrects depressions in arterial blood pressure and heart rate in diabetic rats. Free Radic Res. 2006;40(2):175-184. doi:10.1080/10715760500484336.

13. Sanders LM, Zeisel SH. Choline: Dietary Requirements and Role in Brain Development. Nutrition today. 2007;42(4):181-186. doi:10.1097/01.NT.0000286155.55343.fa. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2518394/

14. Michel V, Yuan Z, Ramsubir S, Bakovic M. Choline transport for phospholipid synthesis. Exp Biol Med (Maywood). 2006;231(5):490-504. https://www.ncbi.nlm.nih.gov/pubmed/16636297

15. Armah CN, Sharp P, Mellon FA, et al. L-alpha-glycerophosphocholine contributes to meat’s enhancement of nonheme iron absorption. J Nutr. 2008;138(5):873-877. https://www.ncbi.nlm.nih.gov/pubmed/18424594

16. Curis E., et. al; “Citrulline and the gut;”; Current Opinion in Clinical Nutrition and Metabolic Care; September 2007

17. Bailey SJ, Blackwell JR, Lord T, Vanhatalo A, Winyard PG, Jones AM. l-Citrulline supplementation improves O2 uptake kinetics and high-intensity exercise performance in humans. J Appl Physiol (1985). 2015 Aug 15;119(4):385-95

18. Pérez-Guisado J, Jakeman PM. Citrulline malate enhances athletic anaerobic performance and relieves muscle soreness. J Strength Cond Res. 2010 May;24(5):1215-22.

19. Cosby K, Partovi KS, Crawford JH, et al. Nitrite reduction to nitric oxide by deoxyhemoglobin vasodilates the human circulation. Nat Med. 2003;9(12):1498-1505. doi:10.1038/nm954.

20. Coles LT, Clifton PM. Effect of beetroot juice on lowering blood pressure in free-living, disease-free adults: a randomized, placebo-controlled trial. Nutrition Journal. 2012;11:106. doi:10.1186/1475-2891-11-106.

21. Larsen FJ, Weitzberg E, Lundberg JO, Ekblom B. Effects of dietary nitrate on oxygen cost during exercise. Acta Physiol (Oxf). 2007;191(1):59-66. doi:10.1111/j.1748-1716.2007.01713.x.

22. Lansley KE, Winyard PG, Fulford J, et al. Dietary nitrate supplementation reduces the O2 cost of walking and running: a placebo-controlled study. J Appl Physiol. 2011;110(3):591-600. doi:10.1152/japplphysiol.01070.2010.

23. Fernstrom JD, Fernstrom MH. Tyrosine, phenylalanine, and catecholamine synthesis and function in the brain. J Nutr. 2007;137(6 Suppl 1):1539S-1547S; discussion 1548S.

24. Matsumoto K, Koba T, Hamada K, Tsujimoto H, Mitsuzono R. Branched-chain amino acid supplementation increases the lactate threshold during an incremental exercise test in trained individuals. J Nutr Sci Vitaminol (Tokyo). 2009;55(1):52-58.

25. Gualano AB, Bozza T, Lopes De Campos P, et al. Branched-chain amino acids supplementation enhances exercise capacity and lipid oxidation during endurance exercise after muscle glycogen depletion. J Sports Med Phys Fitness. 2011;51(1):82-88.

26. Deijen JB, Wientjes CJ, Vullinghs HF, Cloin PA, Langefeld JJ. Tyrosine improves cognitive performance and reduces blood pressure in cadets after one week of a combat training course. Brain Res Bull. 1999;48(2):203-209.

27. Kukovetz WR, Holzmann S, Romanin C. Mechanism of vasodilation by nitrates: role of cyclic GMP. Cardiology. 1987;74 Suppl 1:12-19.

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4.6 Based on 236 Reviews
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James M.
United States United States

I love it, and love the pumps it gives me

Calvin W.
United States United States
Best preworkout out there right now

This is my go to preworkout currently and has been for the past couple years. I don’t experience any bloating with it. All the ingredients are clinical doses (no skimping like some other preworkouts). I recommend!

Chris R.
United States United States

Good flavor. Excellent results. Increased energy and stamina. Like the 5g of creatine and clinical dosages. Highly recommended.

Robyn J.
United States United States
Best pre-workout!

Works better than other pre workouts I've tried, this is the real deal.

Byron J.
United States United States
Great Product.

This product is great!!! I wake up at 4Am Monday thru Friday for gym time and it gives me a ton of energy to get going. Only pre workout I use know without all the jittery and itching feeling.

Tiger Fitness Pump N Grind® Explosive Pre-Workout Formula Review

Nutrition Info

Warning Concerning California Residents: This product may contain chemicals known to the State of California to cause cancer and birth defects or reproductive harm.