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    A shocking new study has found many supplements on the market are fake, with researchers determining more than one-third of 44 products tested don’t contain what’s on the label. But one of the nation’s top holistic doctors notes most supplements do not pose a risk and that there are steps consumers can take to protect themselves from bogus products.

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    GNC L-Arginine and L-Citrulline Supplement creates nitric oxide and keep blood vessels open. Nitric oxide helps to boost endurance and performance levels and can aid reduce symptoms of erectile dysfunction.

    The formula has two ingredients: l-arginine and l-citrulline. L-arginine is a precursor to nitric oxide and l-citrulline is the precursor to l-arginine. Both of these ingredients are amino acids that also help to build lean muscle and burn fat.

    There is 500 mg of each ingredient which is enough for you to get results from it. Other l-arginine products tend to have roughly the same amount as what GNC L-Arginine and L-Citrulline Supplement has.

    Typically, you may want more from your l-arginine product, but GNC lets you take 3 caplets in a day, giving you 1,500 mg of l-arginine and l-citrulline.

    Taking 1,500 mg each day can decrease your blood pressure levels and your risk for heart disease.

    How to Take GNC L-Arginine and L-Citrulline Supplement

    As stated previously, GNC L-Arginine and L-Citrulline Supplement comes in a caplet form and should be taken 1-3 times daily. Take it 20-30 minutes before exercising.