What Is Ghost Pump and How Does It Work?

Ghost Pump is a stimulant-free pre-workout supplement designed to increase blood flow and deliver bigger muscle pumps during training. Made by Ghost Lifestyle, it falls into the nitric oxide category of sports supplements, meaning its entire formula is built around widening blood vessels and driving more blood into working muscles. Because it contains no caffeine or other stimulants, it can be taken at any time of day or stacked on top of a caffeinated pre-workout.

How Ghost Pump Works

The core idea behind Ghost Pump is boosting nitric oxide, a molecule your body naturally produces to relax and widen blood vessels. When nitric oxide levels rise, blood vessels expand, more blood reaches your muscles, and you experience that tight, full sensation lifters call “the pump.” Ghost Pump approaches this through two separate pathways, which is what sets it apart from simpler pump products that rely on a single ingredient.

The first pathway uses L-citrulline, an amino acid your body converts into arginine and then into nitric oxide through an oxygen-dependent enzyme process. The second pathway uses arginine nitrate (branded as NO3-T), which works differently. Nitrate can be converted into nitric oxide even under low-oxygen, acidic conditions, exactly the environment inside a muscle during hard training. Research published in Frontiers in Immunology has shown that this nitrate-to-nitric-oxide pathway becomes more active during exercise, when oxygen levels in muscle tissue drop and acidity rises. That means the two ingredients complement each other: L-citrulline works best at rest and during lighter effort, while arginine nitrate kicks in harder as your workout intensifies.

One practical note: oral bacteria play a role in converting nitrate to nitric oxide. Studies on nitrate supplementation in athletes have found that using mouthwash can interfere with this conversion, so skipping antibacterial mouthwash before training may help you get more out of the formula.

Key Ingredients and Doses

Ghost Pump uses a fully transparent label, so every ingredient and dose is listed. Per single scoop serving, the formula includes:

  • L-Citrulline (Vegan Fermented): 3,000 mg per scoop (6,000 mg in a full two-scoop serving). This is the primary nitric oxide precursor, sourced through fermentation rather than animal products.
  • Arginine Nitrate (NO3-T): 1,500 mg per scoop (3,000 mg in a two-scoop serving). A patented compound that delivers both arginine and dietary nitrate, supporting nitric oxide production through that alternative, low-oxygen pathway.
  • Setria Glutathione: A branded form of the antioxidant glutathione. Research suggests glutathione can extend the life of nitric oxide in the bloodstream, helping sustain the pump effect longer.
  • PureWay-C: A patented vitamin C complex with bioflavonoids, included to support blood vessel health and nitric oxide availability.

The two-scoop serving is considered the full clinical dose. If you’re stacking it with another pre-workout that already contains some pump ingredients, one scoop may be enough.

What Changed From V1 to V2

Ghost Pump has gone through a significant reformulation. The current version, often called V2, made several notable changes compared to the original. L-citrulline jumped from 4 grams to 6 grams per full serving. Arginine nitrate increased by 500 milligrams, bringing the total to 3 grams. Two ingredients were removed entirely: glycerol powder (a cell-volumizing agent) and norvaline (an amino acid once popular in pump formulas that fell out of favor over safety concerns). In their place, Ghost added Setria glutathione and PureWay-C, both of which are effective at much smaller doses than the ingredients they replaced, keeping the scoop size manageable.

Stacking With a Stimulant Pre-Workout

One of the most common ways people use Ghost Pump is by combining it with Ghost Legend, the brand’s stimulant-based pre-workout. Because Ghost Pump has no caffeine, the combination gives you both the energy and focus from Legend and the enhanced blood flow from Pump without doubling up on stimulants. The recommended approach is to mix one scoop of each with 250 to 400 milliliters of cold water and drink it about 30 minutes before training.

This stacking approach also works with non-Ghost pre-workouts. If your current pre-workout is light on pump ingredients but heavy on caffeine and focus compounds, adding a scoop of Ghost Pump fills that gap. The stimulant-free formula also makes it a solid standalone option for evening workouts when caffeine would interfere with sleep.

What to Expect During Training

Ghost Pump is not going to give you the jolt of energy or tingling sensation you associate with traditional pre-workouts. There’s no caffeine, no beta-alanine, nothing that produces an obvious “I feel it kicking in” moment. What you’ll notice instead is more fullness and tightness in the muscles you’re training, typically becoming apparent a few sets into your workout. Veins may appear more prominent, and working muscles can feel harder and more engorged between sets.

The effect is most noticeable during higher-rep, moderate-rest training styles, the kind of work that naturally drives blood into muscles. If your workout consists of heavy singles and triples with long rest periods, the pump effect will be less dramatic. The product is designed around the physiology of sustained muscular effort, where blood flow demand is high and local oxygen levels drop, creating the ideal conditions for its nitrate pathway to work.

Flavors and Availability

Ghost is known for licensed flavor collaborations with candy and beverage brands, and Pump is no exception. The product has been available in flavors inspired by brands like Warheads and Sour Patch Kids, alongside original options. Ghost has also released limited-edition collaborations with athletes, including a partnership with fitness personality Maxx Chewning that featured Mango Margarita and Sour Pink Lemonade flavors. Available flavors rotate, so the current lineup depends on when you’re shopping. Ghost Pump is sold through the brand’s website, GNC, and most major supplement retailers, typically in 40-serving (or 20 full two-scoop serving) tubs.