Apr 24, 2025 · Learn about the side effects of L-Arginine (arginine), from common to rare, for consumers and healthcare professionals.

Jun 28, 2025 · L-arginine can worsen allergies or asthma. Use the supplement with caution if you have these conditions. Be careful about taking L-arginine if you've had cold sores or genital herpes. Too …

May 19, 2025 · In clinical trials, l-arginine has been used safely with minor side effects for up to three months. Possible side effects include abdominal pain and bloating, diarrhea, and gout.

Mar 22, 2022 · L-arginine is safe for most adults, especially if you incorporate more protein-forward products into your diet like meat and nuts. If you have any serious reactions to the amino acid, …

Mar 11, 2025 · L-arginine is considered a semi-essential or conditionally essential amino acid. This article reviews all you need to know about L-arginine, including its benefits, side effects, and dosage.

Aug 6, 2024 · While L-arginine supplements may have some benefits, they can sometimes cause side effects, such as nausea or diarrhea. In certain situations L-arginine may also result in some more …

Sep 10, 2025 · In fact, there is concern that L-arginine may be harmful to people who have recently had a heart attack. If you have recently had a heart attack, you should not take L-arginine.

Oct 18, 2025 · L-arginine can cause side effects like bloating and diarrhea and might not be safe for people with heart disease or kidney problems. More research is needed to evaluate L-arginine …

Sep 4, 2025 · Taking more than 10 grams of arginine at once can result in gastrointestinal distress and diarrhea, but it is possible to maintain elevated arginine levels throughout the day by taking three …

Apr 10, 2024 · Despite its popularity, there’s a side to l-arginine not often talked about: its side effects. When considering adding any supplement to your routine, it is crucial to understand its benefits and …