L-Arginine

L-Arginine supports circulation, heart health, energy, and recovery. This nitric oxide–boosting amino acid is popular for cardiovascular and sports performance.

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The highest price is $66.30
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  • L-Arginine 500mg

    L-Arginine 500mg

    $30.20

    4 reviews

    Solgar

    L-Arginine 500mg

    50 vegecaps
    $30.20
  • L-Arginine 1000mg

    L-Arginine 1000mg

    $33.60

    19 reviews

    Clinicians

    L-Arginine 1000mg

    90 tablets
    $33.60
  • L-Arginine - Amino

    L-Arginine - Amino

    From $21.30 From $22.50

    5 reviews

    Vita-Fit

    L-Arginine - Amino

    250 tablets
    From $21.30 From $22.50

Learn more about L-Arginine

L-Arginine is a conditionally non-essential amino acid with a vital role in cardiovascular health, circulation, and energy production. While your body can make some L-Arginine, levels often decline with age, stress, or poor diet, making supplementation a smart choice for many people.

What does L-Arginine do?

L-Arginine is used by the body to form nitric oxide – a compound that helps blood vessels relax, improving blood flow and circulation. This makes it an important nutrient for supporting cardiovascular health, blood pressure balance, and overall vitality.

What are the benefits of L-Arginine?

  • Promotes healthy circulation and heart function

  • Supports nitric oxide production for vascular health

  • Acts as an antioxidant to balance inflammation

  • Aids immune and nervous system function

  • Supports protein synthesis and muscle recovery

  • Helps convert nutrients into glucose and energy

Why is L-Arginine popular for sports and exercise?

Athletes and active people often take L-Arginine because it supports protein synthesis, helps produce creatine and glutamate, and fuels energy production. It can also aid recovery by supporting circulation and oxygen delivery to muscles.

With multiple roles in heart health, energy, and exercise performance, L-Arginine is a versatile supplement that supports both daily wellbeing and athletic goals.