The Amino Acids L-Arginine and L-Ornithine together have been shown to strengthen the immune system. They may help to improve lean muscle mass and reduce fat - beneficially affecting cholesterol levels. They may also help support brain function and Arginine has also been shown to improve circulation and may help with male impotence. The Amino Acids L-Arginine and L-Ornithine together have been shown to strengthen the immune system They may help to improve lean muscle mass and reduce fat - beneficially affecting cholesterol levels L-Arginine and L-Ornithine may also help support brain function Arginine has also been shown to improve circulation and may help with male impotence Each capsule comprises 500mg of L-Arginine and 250mg of L-Ornithine Easy-to-swallow capsules – the capsules are gluten free Suitable for Men, Women and the Elderly Yeast free and suitable for Vegetarians, vegans and for people with Candida and Yeast sensitivities Free from Genetically Modified Substances