Former SEAL Chris Kyle Allegedly Killed by Former Marine He Was Trying to Help. Former Navy SEAL Chris Kyle and his neighbor Chad Littlefield took former Marine Eddie Ray Routh to a Texas gun range to help him, but for some reason Routh allegedly turned his gun on his two mentors, killing them both, police said today.
Other Side Effects. L-arginine supplementation can lead to several potentially serious side effects in addition to an allergic reaction. In some users, arginine supplementation may cause stomach discomfort, including nausea, stomach cramps, or increased bowel movements. Arginine may also worsen the symptoms of asthma and lower blood pressure.
L-arginine supplements can interact with some medications, including nitroglycerin, some high blood pressure medications and erectile dysfunction medications. Don't take L-arginine supplements if you've had cold sores or genital herpes.