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Blood flow support; Exercise performance support; Workout pumps
Adults with active training routines or those seeking extra workout support for pumps and circulation-related performance needs.
Take 3 capsules once daily with 8–12 oz of water; taking with a small meal may help reduce stomach discomfort.
L-arginine serves as a substrate for nitric oxide synthase to produce nitric oxide, which may help relax blood vessels and support blood flow.
Caution: May interact with blood pressure medications or erectile function products because it can influence vascular tone; start with the suggested serving and monitor tolerance.
Provides l-arginine in a hydrochloride salt form to supply substrate for nitric oxide production and support vasodilation.
Caution: Similar considerations as l-arginine; those sensitive to gastrointestinal upset may prefer taking with food and water.
Combines arginine with alpha-ketoglutarate to provide arginine for nitric oxide generation while alpha-ketoglutarate participates in energy-related metabolic pathways.
Caution: May affect blood pressure and vascular responses; avoid combining with multiple nitric oxide–focused supplements at once.
L-citrulline is converted in the kidneys to l-arginine, which can sustain nitric oxide production and support blood flow.
Caution: Can influence circulation; those using vasodilating supplements or caffeine-heavy pre-workouts should gauge tolerance.
Supplies l-citrulline to elevate arginine and nitric oxide levels, while malate participates in the energy-producing Krebs cycle.
Caution: May cause mild stomach discomfort in some; taking with water and not on an empty stomach may help.
Arginine sources offer immediate substrate for nitric oxide synthase, while citrulline forms replenish arginine through conversion, which may help sustain nitric oxide levels over time. Malate and alpha-ketoglutarate are Krebs cycle intermediates that participate in energy metabolism, complementing blood flow support from arginine and citrulline.
Label Warning: For healthy adults 18 years and older. Consult a healthcare professional before use if pregnant or nursing, taking medication, or have a medical condition.
Who should be cautious: People with cardiovascular concerns, low blood pressure, erectile dysfunction medications, or migraine history may need caution with arginine and citrulline due to potential blood pressure effects. Discuss with a healthcare provider before use.
Storage: Store in a cool, dry place.
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L-Citrulline may enhance nitric oxide production, improving blood flow and exercise performance. Combining these can support better muscle pumps and endurance during workouts.
AI generated. Not medical advice.
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Potent Nitric Oxide Boost: PrimaForce Nitric Oxide Booster delivers a high-quality blend of l-arginine, l-arginine HCl, arginine AKG 2:1, l-citrulline, and l-citrulline malate 2:1, providing a total of 2,250 mg per serving to support nitric oxide production.
As a dietary supplement, take 3 capsules daily with 8-12 oz of water or as directed by your healthcare professional.
Gelatin capsule, magnesium stearate (vegetable source), calcium silicate, silica.
For healthy individuals 18 years and older. Consult a healthcare professional prior to use if you are pregnant or nursing, taking medication, or have a medical condition. Keep out of reach of children. Do not use if safety seal is broken or missing
Store in a cool, dry place.
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.
| Supplement facts | ||
| Serving Size: 3 Capsules | ||
| Servings Per Container: 40 | ||
| Amount Per Serving | %DV | |
| L-Arginine | 500 mg | * |
| L-Arginine HCl | 500 mg | * |
| Arginine AKG 2:1 | 500 mg | * |
| L-Citrulline | 375 mg | * |
| L-Citrulline Malate 2:1 | 375 mg | * |
| *Daily Value (DV) not established. | ||
