PUMP Stimulant-Free Pre Workout
Core Nutritionals

PUMP Stimulant-Free Pre Workout , 20 Servings Black Lightning

Pre-Workout Vasodilator Powder for Intense Pumps*
Completely Gimmick-Ingredient Free
9.2  out of 10  (13 Reviews)
Save 22%
Order and automatically receive 22% Off in your cart on PUMP Stimulant-Free Pre Workout, 20 Servings!

Save an additional 10% off as a Bodyfit member. SIGN IN or JOIN TODAY!

Product Overview

Pre-workout Vasodilator and Performance Optimizer*

In Pumping Iron, Arnold waxes poetically about, “the pump” by saying this:

The greatest feeling you can get in a gym, or the most satisfying feeling you can get in the gym is...the pump.

Can you really disagree? We all have our different reasons for training, of course: overall health and well-being, the satisfaction of dedication, achieving a goal, looking great – all valid. All noble and good reasons for dedicating your life to the iron. But, let’s be honest – the rawest, most visceral, most primal satisfaction you can possibly enjoy is the feeling of an intense pump that seems as if it will tear your skin off.

So, when was the last time you experienced a pump that incredible? Last workout? Maybe the one before that? At Core, it amazes us how many struggle to answer that question – and how seldom the industry has provided a product that delivers that kind of pump.

With Core PUMP, we can confidently say you will never struggle to answer that question again. We have taken our standard, Core approach – amazing ingredients, in clinical servings, all formulated in a non-proprietary blend – to the issue of pumps, and we have produced a product whose name simply couldn’t have been anything else.

Best of all, Core PUMP is completely gimmick-ingredient free. The compounds we have chosen are verified by science, backed by clinical research, and have been shown to increased bloodflow through a number of independent mechanisms.* The pump from Core PUMP is therefore not just for vanity – though, you will likely spend more time in front of the mirror – but is also of real, verifiable, and measurable physiological benefit.*

Our beta testers described PUMP as, “Skin-bursting,” and “intense.” They also described it as, “The best I have ever used. Hands down.” See why for yourself.

Ratings & Reviews

PUMP Stimulant-Free Pre Workout
Overall Rating
13 Ratings
Verified Buyer Rating
9 Ratings
Average Flavor Rating
3 Flavors
Top Rated Flavor
Peach Mango
By clicking the button above, you agree to entering the Bodybuilding.com Reviews section. Products in the Store are not intended to diagnose, treat, cure, or prevent any disease.
Aug 06, 2019
Verified Buyer

First off let me I say I love core nutritionals and every product of theirs but.. this preworkout didn't stimulate me and has a lot of clumping and sediment after use, where as their other products would deslove better. I will continue to buy core nutritionals but I might have to look elsewhere for a pre

Apr 12, 2019

Well! I am supermen :) It works. Early i used other pre workout powder with caffeine and it was dangerous for my heart as caffeine is dangerous for me. This Core Nutritionals Pump is the best choice if caffeine is dangerous for you and u need pre workout powder without caffeine. My workout quality is more amazing than before!!! Love this powder and will buy again . Thanks for the best powder ever.

Aug 25, 2018
Verified Buyer

Yes it works! Got chicks staring at me at the gym. Veins that you never seen before comes outta nowhere. Wanna be a superhuman? I highly recommend it. Its like drugs for gymrats

Jun 21, 2018
Verified Buyer

I workout at night so I wanted a product that gave me a good pump without the caffeine and this product does just that.

Jan 05, 2018

Stacked with Core Fury Extreme gave me the most vascular pump I have ever had in the gym with no crash.

Jun 28, 2017
Verified Buyer

First off, the Peach Mango flavor is delicious. I'm surprised at how effective this product is. It really gives a nice boost in strength, improves endurance and helps with recovery. I'm on my first bottle and really like it. Will keep buying it.

Apr 27, 2016
Verified Buyer

I've never tooken a pump supplement so I decided to try this one. The fist time i took it it gave me a really good pump on my arms, they felt tight and my veins where popping out. This is'nt like the other pre work out where its all smooth powder. So if you get this dont get scared that its all in little rocks and hard thats how it suppose to be

Apr 20, 2016
Verified Buyer

It`s a pricier preworkout pump amplifier but it packs all the best ingredients in the game right now. Nothing missing really. I take 2 scoops and the pump is real! They put together a good product. Well worth the money!

Feb 13, 2016

Hi...the powder looks clump and wett, is it normal ?

Oct 25, 2015
Verified Buyer

I have tried many pump products but this is undoubtedly the best. Ingredient profile is extremely impressive. Good doses of Agmatine, Citrulline, Hydromax and Nitrosigine. I take it with a pre workout product and generally half the scoop is more than enough for a skin tearing pump. It becomes really cost effective as you get 56 serving from a tub if you use half the servings and believe me half is really more than enough. I had Pineapple Strawberry and it tastes like pineapple juice. The best tasting pump or pre workout product. Highly recommended.

Aug 25, 2015

I tried this product in a sponsored log, but it does not mean I am biased. This product was a surprisingly solid product that tasted great and never wore out in terms of effect. The pump I got from this the first day I took it was intense, like taking that ice cream flavored 2nd gen pump product from another reputable company. My veins were bursting and my arms were so full that I could barely reach my back. I would highly recommend this product for anyone looking for a full profile product that is a change from what you are already taking. Tastes delicious, light and refreshing!

Jun 26, 2015
Verified Buyer

Easily the best pump product I've ever used. I've been blowing up in the gym since I started taking it. Sour apple candy tastes delicious too!

Jun 20, 2015
Verified Buyer

This is the second non-stimulant pre-workout I have tried, the other was Hemavol. I do believe I get a better pump sensation from this product then I do from Hemavol (which I have/had high regard for btw). My muscles actually feel larger in the gym and I am better able to focus and really feel the individual muscle group I am activating on a given exercise. Great product for mind to muscle connection. I used to use Hemavol with MuscleTech Anarchy. Between those two products they contain every ingredient in Pump, but at lower doses. Core Nurtionals Pump does live up to its name. Currently stacking Pump with Kaged Muscle caffeine and Citrulline as my pre-workout. I rated the flavor poorly, but honestly I do not like pineapple or green apple, I just chose the lesser of two evils. It does taste like green apple should, I will give them that. But As I said I have had other product with nitrosigne and hydromax. Every product was some of the worst tasting I have had, so I think it is just the nature of the ingredients then the brand flavor itself. Not the most satisfying to drink but extremely effective product. The price is above average, 40$ for 28 servings, but if you have the money I believe you will enjoy this product. I will be re-ordering int he future.

1 Size
20 Servings
Choose a Size
{{group.violatorText}} {{group.name}}
1 Flavor
Black Lightning
Choose a Flavor
Flavor Rating: {{sku.flavorRating | flavorRating}}
Save 22% in Cart
Was:  {{vm.group.strikePriceDisplay}}
Price: $44.99  ($2.25 / Serving)
On Backorder
Flavor Rating:


Become a BodyFit Member

BodyFit Membership means up to 10% OFF EVERYTHING and FREE shipping.

Oh... and you also get:

• Access to exclusive workout plans and database

• Detailed exercise instructions

• Customized recommendations for all your fitness goals

Get free shipping and save an additional 10% on today's order

Completely Gimmick-Ingredient Free

What's in Core Nutritionals PUMP Stimulant-Free Pre Workout

Serving Size: 2 scoops (23.2 g)
Servings Per Container: 20 (40 scoops)
Amount Per Serving (2 scoops) % Daily Value
L-Citrulline 6,000mg **
Beta Alanine 3,200mg **
Betaine Nitrate (N03-T®) 2,500mg **
PeakO2® 2,000mg **
[Cordyceps militaris (Cordyceps)(Root), Ganoderma lucidum (Reishi)(Root), Pleurotus eryngi (King Trumpet)(Root), Lentinula edodes (Shiitake)(Root), Hericium erinaceus (Lions Mane)(Root), Trametes versicolor (Turkey Tail)(Root)]
HydroMax® (65% Glycerol Powder) 2,000mg **
Alpha GPC 50% 600mg **
** Daily Value not established.
Other Ingredients:
Silicon Dioxide, Citric Acid, Malic Acid, Natural and Artificial Flavor, Sucralose, Acesulfame Potassium.

Directions For PUMP Stimulant-Free Pre Workout: Mix 2 scoops with 12-16 ounces of water and consume approximately 15-30 minutes prior to your workout.

Warnings: This product is only intended for use in healthy adults 18 years of age or older. Pregnant or nursing women should not use this product. Consult your healthcare provider before using this product, especially if you are taking any prescription, over the counter medication, dietary supplement product, or if you have any pre-existing medical condition including but not limited to: high or low blood pressure, cardiac arrhythmia, stroke, heart, liver, kidney or thyroid disease, seizure disorder, psychiatric disease, diabetes, difficulty urinating due to prostate enlargement or if you are taking a MAOI (Monoamine Oxidase Inhibitor), PDE5 Inhibitor, nitrates for chest pain, or any other medication. Immediately discontinue use and consult your health care professional if you experience adverse reaction to this product. Do not exceed recommended serving. Do not use if safety seal is broken or missing. Keep out of reach of children.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Learn more about Citrulline.
Check out other Improve Workout Products.