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Pump Formulas

Pump formulas are pre-workout powders, shots and ready-to-drink bottles built around citrulline, usually together with ingredients such as arginine or AAKG, taurine, beta-alanine, betaine, glycerol or creatine. Most products here are sold without caffeine, but ingredient lists differ and at least one includes a stimulant complex, so read each label. Servings range from scoops of about 12 g to 25 g to shots of up to 100 ml, and some labels print gram amounts per ingredient while others list a named complex without amounts. For plain citrulline with a price comparison by declared citrulline, see the L-Citrulline category.

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Portion prices are calculated from the net contents. Portion sizes differ between products; this is not a dosing recommendation. Read the full ingredients and directions on the product label.

Price per 5 g L-citrulline = portion price ÷ declared L-citrulline per portion (g) × 5. The weight of citrulline malate is not converted; only the citrulline the label declares is counted.

Mega Pump Elite, Cherry - 390 grams Conteh Sports Mega Pump Elite, Cherry - 390 grams CBUM Essential Pre-Workout, Peach Mango - 423 grams Raw Nutrition CBUM Essential Pre-Workout, Peach Mango - 423 grams Hyde Max Pump, Blue Razz - 224 grams ProSupps Hyde Max Pump, Blue Razz - 224 grams Hyde Nightmare, Lightning Lemon - 306 grams ProSupps Hyde Nightmare, Lightning Lemon - 306 grams
Pack size 390 g 423 g 224 g 306 g
Main ingredients L-citrulline pre-workout powder formula L-citrulline pre-workout powder formula L-citrulline pre-workout powder formula L-citrulline pre-workout powder formula
Label portion 19.5 g 14.1 g 11.2 g 10.2 g
L-citrulline per label portion 5 g 4 g 4 g 6 g
Pack price €39.99 €31.99 €25.99 €25.99
Price per portion €2.00 €1.07 €1.30 €0.87
Price per 5 g L-citrulline €2.00 €1.33 €1.62 €0.72
Allergen information See the manufacturer’s full allergen statement. See the manufacturer’s full allergen statement. See the manufacturer’s full allergen statement. See the manufacturer’s full allergen statement.
Certifications — — — —
Label information Label information Label information Label information Label information

Prices include VAT for Ireland. Courier delivery: €6.99; free from €65.00. Estimated delivery: 2–4 working days.

Product facts checked: 2026-10-28.

Frequently asked questions

What does "stim-free" mean on a pump formula?

It means the brand's ingredient list contains no caffeine and no other stimulant ingredient. It describes what is not in the product, and the wording is the brand's, so check the ingredient list of the product you choose: not every product in this category is caffeine-free.

How do I compare pump formulas with different serving sizes?

Compare the price per serving (pack price divided by servings per pack), the serving size in grams or millilitres, and the amount of each main ingredient the label states per serving. A label that lists citrulline malate gives the weight of the compound, which includes malic acid and is more than the citrulline in it; read the line that names citrulline if the label has one. An ingredient inside a complex with no amount cannot be compared.

Can I use a pump formula together with other supplements?

Many pump formulas already contain creatine, taurine, beta-alanine or betaine, so check every label and add up the amount of each ingredient when you use more than one product. Follow the directions printed on each pack, and ask a doctor or pharmacist first if you are pregnant, breastfeeding, under 18 or take medication.