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Arginine (NO)

Guides and comparisons How to choose a pre-workout supplement

This category lists single-ingredient arginine products: L-arginine capsules and powders and AAKG powders and shots. Labels count arginine in different ways: some state L-arginine directly, some state only the compound, and some state the compound and, separately, how much of it is L-arginine. The table below prices three products by the L-arginine their labels declare.

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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-arginine = portion price ÷ declared L-arginine per portion (g) × 5. The weight of AAKG or of a salt is not converted; only the L-arginine the label declares is counted.

AAKG Muscle Pump, Lemon - 300 grams Allnutrition AAKG Muscle Pump, Lemon - 300 grams Arginine Max Caps, 1000mg - 90 caps Nutrend Arginine Max Caps, 1000mg - 90 caps L-Arginine, 500mg - 200 caps Swanson L-Arginine, 500mg - 200 caps Argi Power 1500, Mega Caps - 120 caps Olimp Nutrition Argi Power 1500, Mega Caps - 120 caps
Pack size 300 g 90 capsules 200 capsules 120 capsules
Main ingredients AAKG (arginine alpha-ketoglutarate) L-arginine L-arginine L-arginine
Label portion 5 g 1 capsules 1 capsules 1 capsules
L-arginine per label portion 2.98 g 1 g 0.5 g 1.23 g
Pack price €16.99 €12.99 €16.99 €20.99
Price per portion €0.28 €0.14 €0.08 €0.17
Price per 5 g L-arginine €0.47 €0.72 €0.85 €0.71
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 AAKG, and how does it differ from L-arginine?

AAKG is the compound of arginine with alpha-ketoglutaric acid, so its weight is higher than the weight of arginine it contains. Some labels state both, for example "AAKG 4,449 mg, of which L-arginine 2,981 mg"; others state only the AAKG weight. Compare the line that names L-arginine.

Why are some arginine products not in the price table?

The table uses only products whose label states the amount of L-arginine itself. Labels that give only the weight of AAKG, a salt such as arginine hydrochloride, or a named blend cannot be compared by arginine and are not converted. They remain on the shelf with their own label.

How do I compare capsules with powders?

Work from the amount per serving on the label: grams of L-arginine per capsule or scoop, and servings per pack. The table shows the price per 5 g of declared L-arginine for capsule and powder products in the same unit; it is not a dosing guide. Follow the directions on your pack, and ask a doctor or pharmacist first if you are pregnant, breastfeeding, under 18, have a kidney condition or take medication.