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Citrulline & Arginine

Guides and comparisons How to choose a pre-workout supplement

This category brings together two kinds of products. The first is single-ingredient citrulline and arginine, as powders, capsules and AAKG powders and shots, in the Citrulline (NO) and Arginine (NO) sub-categories. The second is pump powders and shots that combine citrulline and arginine with other ingredients; some of these contain caffeine and some do not. More single-ingredient citrulline and arginine products are listed under L-Citrulline and L-Arginine & AAKG in Amino Acids. Compare the citrulline or arginine each label declares per serving, not the weight of the pack.

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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 is the difference between single-ingredient products and pump blends?

A single-ingredient product contains one amino acid or its compound (such as citrulline, citrulline malate, L-arginine or AAKG), plus flavour or capsule ingredients. A pump blend combines several ingredients in one serving, so its price covers all of them and its label has to be read ingredient by ingredient.

Do these products contain caffeine?

Most do not list it, but some pump products here do. The ingredient list on each product page is the place to check, whatever the product name or category suggests.

How do I compare the amounts?

Look at the amount per serving and the serving size on each label, and note whether an amount refers to a compound (citrulline malate, AAKG) or to the amino acid itself (citrulline, L-arginine). The price tables in the Citrulline (NO), Arginine (NO), L-Citrulline and L-Arginine & AAKG categories use the amino acid amounts the labels declare.