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Acetyl-L-Carnitine Supplements (9)
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L-Arginine Supplements (18)
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L-Arginine Supplements

Throat Injury From L-Arginine

10/11/2022
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Be aware that L-arginine capsules may cause esophageal injury, as shown in a recent case. Get the details, as well as tips for avoiding this, in the Concerns and Cautions section of our L-Arginine Supplements Review.

Also see our CL Answer 6 Tips to Avoid Getting a Pill Stuck in Your Throat.

Does Arginine Improve Blood Flow?

7/22/2022
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L-arginine is often promoted to improve blood flow to muscle tissue, and so is L-citrulline (which is converted to L-arginine in the body). But a recent study adds more evidence that this is often not the case. See the details in the What It Does section our L-Arginine Product Review.

Citrulline for Heart Health?

7/12/2022
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Does supplementing with citrulline reduce blood pressure and improve heart function in people with heart failure? Find out in the Citrulline section of our L-Arginine Supplements Review (citrulline is converted to L-arginine in the body).

Arginine for Mild Cognitive Impairment?

4/15/2022
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Can supplementing with L-arginine help elderly people with mild cognitive impairment (MCI)? Find out what a recent study showed in the What It Does section of our L-Arginine Supplements Review.

Also see our CL Answer about other supplements for Memory and Cognition.

Citrulline for Strength?

9/13/2021
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Find out if citrulline supplementation improved muscle strength or endurance in older people in recent study. (This information is in the Citrulline section of our L-Arginine Supplements Review, as citrulline is converted to arginine in the body and it is often sold in combination with arginine).

L-Arginine for COVID?

9/13/2021
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Did L-arginine supplementation help people with severe COVID-related pneumonia? See what a new study found in the What It Does section of our L-Arginine Supplements Review.

Also see: Do any supplements help with the coronavirus (COVID-19)?

Pill-Induced Esophagitis

10/18/2019
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Several cases of esophagitis have been reported from taking supplements, including a recent case involving l-arginine capsules. For details, including tips on how to safely take pills, see the Concerns and Cautions section of the L-Arginine Supplements Review. Also see our Top Picks for L-Arginine.

Arginine for Men?

7/22/2019
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Does daily arginine supplementation enhance the effect of a popular prescription medication for men? See what a recent study found in the What It Does section of the L-Arginine Supplements Review. Also see our Top Picks for arginine.

Citrulline and Exercise

8/13/2018
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Several studies have evaluated citrulline (which the body converts to arginine) for enhancing athletic performance. Find out if it helps or not in the Citrulline section of the L-Arginine Review. Also, find out if L-arginine, itself, can help.

Can L-Arginine Cause Pancreatitis?

4/30/2018
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Although uncommon, there have been reports of acute pancreatitis occurring in conjunction with L-arginine use. Get the details and learn about other possible side effects of arginine in the Concerns and Cautions section of the L-arginine Supplements Review.

L-Arginine for Workouts?

3/16/2018
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A recent study assessed whether taking L-Arginine before a high-intensity workout decreased muscle soreness after the workout. Get the results and more details in the Exercise Endurance and Recovery section of the L-Arginine Supplements Review. (Also see our Top Picks among products).

Citrulline for Improving Exercise?

12/01/2017
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Citrulline, a compound which is converted to arginine in the body, is often added to workout supplements to improve exercise performance. But does it really help? See what a new study found in the "What It Does" section of the L-Arginine Supplements Review >> (Also see our Top Picks among L-arginine supplements.)