L-Arginine supplement from Swanson is a simple everyday health pick that helps support steady blood flow and heart function by boosting nitric oxide production. This focus on value and reliability sits with Swanson’s heritage since 1969, offering affordable, dependable supplements you can rely on. The main ingredient, L-Arginine, continues to support nitric oxide production that helps relax vessels and improve circulation.

Benefits & Features:

• Supports steady blood flow during daily activity
• Promotes nitric oxide production, helping keep vessels tone for better circulation during workouts
• Uses pharmaceutical grade AjiPure L-Arginine to deliver high purity for dependable quality
• Designed for daily use with a clean capsule, so it’s easy to slot into a busy day
• Designed to support heart health and blood flow, this l arginine supplement provides a straightforward option for those managing risk factors, complementing a balanced diet and regular activity

Swanson's L-Arginine uses AjiPure pharmaceutical grade arginine, fermented from non-animal ingredients, purity claimed at 99-100% which supports a clean label. The brand has heritage dating back to 1969, with a strong focus on straightforward, value-driven supplements and US manufacturing practices that many customers trust. AjiPure's sourcing and Swanson's tested processes help keep quality consistent, making it a dependable everyday option for wellness centers and those seeking heart health supplements.

Other Ingredients - Gelatin (Bovine/Porcine), magnesium stearate.

• GTIN: 87614018522
• Manufacturer: Swanson
• Size: 500 mg 100 Capsules
• Categories: Arginine SupplementsCHECKOUT UPSELLL-Arginine Supplements & TabletsNew ArrivalsNitric Oxide Boosters SupplementsSwanson
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take one capsule as a dietary supplement once or twice daily with water.

Please consult the product packaging for accurate instructions on how to use the product.

The Active Ingredient Is: L-Arginine

L-Arginine is an amino acid that participates in the body’s production of nitric oxide, supporting normal vascular function.

This form is pharmaceutical-grade L-Arginine, sometimes supplied in capsule form as a single-ingredient supplement and is sourced to support quality and purity.

What Does L-Arginine Do?

L-Arginine plays a role in the production of nitric oxide, which helps maintain healthy blood vessel function and supports cardiovascular health. Dr. Wu of Mayo Clinic found that nitric oxide production supports vascular function.

Dietary supplements are not a replacement for a balanced diet. Do not take more than the recommended amount. Keep in a cool, dry area away from light and heat. Ensure they are out of children's reach and view.

L-Arginine: 850 mg

Swanson is a remarkably durable name in the supplement space, with a heritage dating back to 1969 and a reputation for reliable, value‑driven products. The brand’s commitment to quality is reflected in its approach to manufacturing and sourcing, including the AjiPure L‑Arginine variant that is described as pharmaceutical grade and fermented from non‑animal ingredients with high purity. This longstanding presence in the market gives Welzo confidence in consistent product availability and approachable accessibility for customers. Swanson is recognised for good manufacturing practices in the US and for delivering affordable nutrition that many shoppers trust, which aligns with Welzo’s expectations for reliable supplier partnerships. This brand was evaluated by Welzo's healthcare professionals for compliance with the standards we enforce.