L-arginine is an amino acid that the body uses to make nitric oxide, which relaxes blood vessels and supports blood flow.

What L-Arginine Is Used For

  • Circulation and blood flow support
  • Men's vitality and sexual health supplements
  • Exercise performance and recovery
  • Fertility support, in combination products

Common Side Effects

  • Stomach upset and bloating
  • Diarrhoea
  • Low blood pressure
  • Headache

Precautions

Ask your doctor before use if you have had a recent heart attack, low blood pressure, or take nitrates, sildenafil or blood pressure medicines. L-arginine may trigger cold sore outbreaks in some people.

This page is general information only. It is not a substitute for advice from your doctor or pharmacist, and it does not include dosage. Always follow the directions given to you and read the leaflet inside the pack.

Medicines Containing L-Arginine