SEARCH RESULTS for "Arginine (L-arginine)"

L-Arginine Supplements Reviewed by ConsumerLab.com

L-Arginine Supplements Review

Read reviews for the best L-arginine supplements (including free-form arginine, L-arginine HCl, L-arginine-alpha-ketoglutarate) for blood flow and amounts of arginine in popular products. Review evidence for using L-arginine for improving exercise endurance, symptoms of congestive heart failure, sexual dysfunction, intermittent claudication, and Raynaud's phenomenon.

Other Related Product Reviews Found:
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1.Nitric Oxide Supplements (Bodybuilding and Athletic Performance) Review Article
2.Sexual Enhancer Supplements Review (with Yohimbe, Horny Goat Weed, Arginine)
3.Human Growth Hormone (HGH) and Insulin-like Growth Factor-1 (IGF-1) Supplements Review Article  *
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Encyclopedia Articles Found: (Articles do not mention brands)
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1.Arginine
2.Unintended Weight Loss
3.Pre-eclampsia and Pregnancy-induced Hypertension
4.Interstitial Cystitis
5.Heart Attack
6.Carnosine
7.Angiotensin-Converting Enzyme Inhibitors (ACE Inhibitors)
8.Herbs & Supplements
9.Citrulline
10.Nitroglycerin
... More Results


ConsumerLab.com Answers to Questions Found:
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1.Which supplements help with Raynaud's phenomenon?  (in Comments)
2.Does citrulline improve exercise performance or recovery?
3.Is L-arginine helpful or harmful for people with cancer?
4.Have any supplements been shown to increase women's libido?
5.Which supplements help with erectile dysfunction?
6.I take a number of supplements and I think they are making my acid reflux worse. Which supplements could be causing my stomach irritation, and what can I do about it?
7.Tablets I purchased are becoming "crumbly" after a few weeks and are easy to break. Is there a problem with this supplement?
8.Can lysine, vitamin B-12, or other vitamins or minerals help prevent or reduce canker sores?  (in Comments)
9.I have low blood pressure. Are there any supplements I should avoid?
10.Is it safe to take arginine, or other supplements for sexual enhancement, while taking Viagra or Cialis?
11.Must I take amino acid supplements on an empty stomach? Can I take them with other amino acids or with food to help with swallowing capsules?
12.Which supplements can help to lower blood pressure?  (in Comments)
13.What is the best protein supplement for vegetarians and vegans?


Clinical Updates Found:
2019 Pill-Induced Esophagitis (10/19/2019)
Pill-Induced Esophagitis
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? (07/23/2019)
Arginine for Men?
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.
 Be Careful with Yohimbe (06/01/2019)
Be Careful with Yohimbe
Yohimbe is a common ingredient in certain supplements for men but can be dangerous, as evidenced by recent report. Get the details in the Concerns and Cautions section of the Review.
2018 Citrulline and Exercise (08/14/2018)
Citrulline and Exercise
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? (05/01/2018)
Can L-Arginine Cause Pancreatitis?
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? (03/17/2018)
L-Arginine for Workouts?
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).
2017 Citrulline for Improving Exercise? (12/02/2017)
Citrulline for Improving Exercise?
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.)
2015 Inaccurate Yohimbe Labels (09/30/2015)
Inaccurate Yohimbe Labels
Yohimbe supplements contain an active compound, yohimbine, which is an old drug for erectile dysfunction. A recent study found that most yohimbe supplements don’t list the amount of yohimbine they contain, and those that do are typically inaccurate – similar to what ConsumerLab.com has found. For more about the study as well as our own tests of products, see the Sexual Enhancement Supplements Review >>


Recent Recalls and Warnings Found:
1.Seller of Silver, Arginine, and More Warned for Manufacturing Violations (06/16/2020)
2.FTC Sends Refund Checks to Consumers of Unproven Weight Loss and Sexual Enhancement Supplements (05/19/2020)
3."Active Male" Supplement Recalled (03/17/2020)
4.Fat-Burning, Energy Supplement Linked to Heart Trouble (01/24/2020)
5.Men's Enhancement Supplement Recalled (12/21/2019)
6.Silver Bullet Supplement for Men Recalled (11/16/2019)
7.Libido Supplement for Men and Women Recalled (11/12/2019)
8.Green Lumber Enhancement Supplements Recalled (10/26/2019)
9.Liquid Vitamin C for Men Recalled (09/21/2019)
10.Titanium 4000 Capsules for Men Recalled (05/15/2019)
11."The Beast" Supplement for Men Recalled (05/07/2019)
12.Sexual Enhancement Supplement for Men Recalled (04/12/2019)
13.Herbal "Coffee" for Sexual Enhancement Recalled (04/08/2019)
14.LEOPARD Miracle Honey Recalled (03/26/2019)
15.BLUEFUSION Capsules for Sexual Enhancement Recalled (03/23/2019)
16.FDA Warns Consumers Not to Use Certain Sexual Enhancement Supplements (03/06/2019)
17.FDA Warns Consumers Not to Use "The Silver Bullet" (01/22/2019)
18.Sexual Enhancement Supplement Recalled (01/13/2019)
19.Sexual Enhancement Supplement Found to Contain Prescription Drug (12/11/2018)
20.Seller of 5-HTP, Potassium & More Warned for Manufacturing Violations (12/01/2018)
21.Sexual Enhancement Supplements Contain Prescription Drugs (12/01/2018)
22.Federal Court Shuts Down Maker of Sexual Enhancement Products (09/04/2018)
23.FDA Warns Seller of Joint Health and Cholesterol Supplements (07/31/2018)
24.Sexual Enhancement Supplements Containing Undeclared Drugs Recalled (05/19/2018)
25.Seller of Male Enhancement, Prostate Supplements & More Warned for Drug Claims (01/29/2018)

Archived Recalls and Warnings Found:
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1."Man of Steel" Sexual Enhancement Supplements Recalled (08/01/2017)
2.Increase in Calls to Poison Control Centers About Supplements (07/29/2017)
3.FDA Warns Seller of "Quick Slim with pure Hoodia Gardonii" and "Diabalance Herbal Blood Sugar Balance" (07/18/2017)
4.FDA Warns Seller of Menopause, Sexual Enhancement, Prostate Supplements and More For Manufacturing Violations (06/23/2017)
5.Herbal "Sexual Enhancement Coffee" Recalled, One Death Reported (05/26/2017)
6.Sexual Enhancement Supplements for Men and Women Recalled (04/19/2017)
7.Twenty-one Sexual Enhancement Products Recalled (03/21/2017)
8.Sexual Enhancement Supplements Found to Contain Drugs (03/04/2017)
9.Sexual Enhancement Supplement Recalled (02/21/2017)
10.FDA Warns Four Sexual Enhancement Supplements Contain Prescription Drug (02/04/2017)
11.Sexual Enhancement Supplement Contains Prescription Drug (12/29/2016)
12.Twelve Sexual Enhancement Supplements Found to Contain Prescription Drug (12/23/2016)
13.Case of Hemorrhagic Stroke Linked to Redline Energy Drink (12/13/2016)
14.Male Enhancement Supplement Recalled (12/03/2016)
15.Male Enhancement Supplement Contains Hidden Drug (11/11/2016)
16.FDA Warns Consumers Not to Use Twelve Energy and Sexual Enhancement Supplements (11/01/2016)
17.Sexual Enhancement Supplement Contains Undeclared Drugs (05/17/2016)
18.Sexual Enhancement Supplements Recalled (05/15/2016)
19.Salute Capsules Contain Hidden Drugs (03/20/2016)
20.FDA Warns Consumers Not To Use Sexual Enhancement Supplement (03/04/2016)
21.Enhancement Supplement Contains Undeclared Drug (02/27/2016)
22.FDA Warns Nine Sexual Enhancement Supplements Contain Undeclared Drugs (02/13/2016)
23.Seller of Weight and Enhancement Supplements Warned For Drug Claims (02/03/2016)
24.Male Enhancement Gum and Pills Contain Hidden Drug (01/22/2016)
25.Twenty-four Male Enhancement Supplements Recalled (01/12/2016)
26.Fourteen Enhancement Supplements Found to Contain Undeclared Drugs (01/02/2016)
27."Tiger X" and "X Again Platinum" Contain Hidden Drugs (12/19/2015)
28.Sexual Enhancement Supplement Recalled (12/12/2015)
29.Enhancement Supplements Found to Contain Prescription Drug (12/01/2015)
30.FDA Warns Consumers Not to Buy or Use "Sex Drive Capsules" (11/28/2015)
31.Power Khan Herbal Enhancement Supplement Found to Contain Drug (11/07/2015)
32.Drug Found in Male Enhancement Supplement (10/24/2015)
33.Eight Enhancement Supplements Found to Contain Undeclared Drugs (10/24/2015)
34.Recall of Male Enhancement Supplement Expanded (10/14/2015)
35.Male Enhancement Supplement Containing Antidepressant Recalled (09/26/2015)
36.Herbal Extracts Recalled (09/16/2015)
37.Weight And Enhancement Supplement Recall Expanded (09/16/2015)
38.Weight and Enhancement Supplements Recalled (08/30/2015)
39.FDA Warns Seller of Tainted Enhancement Supplements (08/15/2015)
40.Male Enhancement and Weight Loss Supplement Containing Drugs Recalled (08/07/2015)
41.Undeclared Drugs Found In Male Enhancement Supplements (07/01/2015)
42.Three Sexual Enhancement Supplements Contain Prescription Drug (05/02/2015)
43.FDA Warns Consumers Not to Use Male Enhancement Supplement (04/22/2015)
44.Three Male Enhancement Supplements Found to Contain Drug (03/11/2015)
45.Four Male Enhancement Supplements Found to Contain Drug (03/06/2015)
46.Nine Male Enhancement Supplements Found to Contain Drugs (03/06/2015)
47.Four More Sexual Enhancement Supplements Found To Contain Hidden Drug (03/02/2015)
48.Hidden Drug Found in Six Sexual Enhancement Supplements (03/02/2015)
49.Drugs Found in Male Enhancement Supplements (02/28/2015)
50.Seller of Aloe, Sexual Enhancement Supplements and More Warned for Manufacturing Violations, Drug Claims (01/27/2015)
51.FDA Warns Consumers Not To Use Sexual Enhancement Supplement (01/24/2015)
52.Sexual Enhancement Supplement Recalled (01/04/2015)
53.Three Sexual Enhancement Supplements Found to Contain Hidden Drugs (12/26/2014)
54.Maker of Ginseng, Zinc, Calcium and More Warned for Manufacturing Violations (12/05/2014)
55.Seller of Sexual, Muscle Enhancement Supplements Warned for Manufacturing Violations and Drug Claims (11/11/2014)
56.Supplement Maker Warned for Manufacturing Violations (10/30/2014)
57.Supplements Recalled Years Ago Remain on the Market, Still Contain Hidden Drugs (10/22/2014)
58.Seller of Weight Loss, Saw Palmetto Supplements and More Warned for Drug Claims (10/21/2014)
59.Sexual Enhancement Supplement Contains Hidden Drug (08/20/2014)
60.FDA Warns Consumers Not To Use Herbal Sexual Enhancement Supplement (08/16/2014)
61.FDA Warns Puerto Rico Supplement Seller (08/08/2014)
62.Sexual Enhancement Supplement Found to Contain Hidden Drug (07/23/2014)
63.Two Sexual Enhancement Supplements Found to Contain Drug (06/18/2014)
64.Sexual Enhancement Supplement Found to Contain Drug (06/06/2014)
65.Six Sexual Enhancement Supplements Found to Contain Hidden Drugs (06/04/2014)
66.Recall of Sexual Enhancement Supplements Expanded (05/29/2014)
67.Sexual Enhancement Supplement Contains Hidden Drug (05/16/2014)
68.Three Sexual Enhancement Supplements Recalled (05/07/2014)
69.Seller of B Vitamins, CoQ10, Amino Acids and Other Supplements Warned for Manufacturing Violations and Drug Claims (04/29/2014)
70.Sexual Enhancement Supplement Contains Undeclared Drug (04/18/2014)
71.Seller of Aloe, Thyroid and Other Supplements Warned for Manufacturing Violations and Drug Claims (04/16/2014)
72.Seven Sexual Enhancement Supplements Recalled Due to Undeclared Drugs (03/31/2014)
73.Sexual Enhancement Supplement Found to Contain Undeclared Drug (03/07/2014)
74.Seller of Sexual Enhancement Supplements Warned For Manufacturing Violations (02/19/2014)
75.Five Sexual Enhancement Supplements Found to Contain Prescription Drugs (01/30/2014)
76.Seven Sexual Enhancement Supplements Containing Undeclared Drugs Recalled (01/14/2014)
77.Two Sexual Enhancement Supplements Found to Contain Undeclared Drugs (12/20/2013)
78.Seller of Sexual Enhancement Supplement and Tea Drink Warned for Drug Ingredients and Drug Claims (12/19/2013)
79.Sexual Enhancement Supplement Found To Contain Multiple Drugs (11/21/2013)
80.Weight Loss Supplement Recalled (11/21/2013)
81.Two Sexual Enhancement Supplements Found To Contain Undeclared Drugs (11/20/2013)
82.Weight Loss Supplement Found to Contain Drugs (11/20/2013)
83.Another Sexual Enhancement Supplement Recalled Due To Undeclared Drugs (11/20/2013)
84.Three Sexual Enhancement Supplements Recalled (11/20/2013)
85.Weight Loss Supplement Found To Contain Drugs (11/12/2013)
86.Sexual Enhancement Supplement Found To Contain Prescription Drugs (11/08/2013)
87.FDA Warns Consumers of Weight Loss Supplement Containing Multiple Drugs (11/07/2013)
88.Three Sexual Enhancement Supplements Found to Contain Prescription Drugs (10/30/2013)
89.Three Sexual Enhancement Supplements Containing Undeclared Drug Recalled (10/01/2013)
90.Sexual Enhancement Supplement Containing Undeclared Drug Recalled (09/27/2013)
91.Sexual Enhancement Supplements Containing Undeclared Drug Recalled (09/03/2013)
92.Maker of Sexual Enhancement Supplement Warned for Manufacturing Violations (08/28/2013)
93.Sexual Enhancement Supplement Containing Undeclared Drugs Recalled (08/23/2013)
94.Sexual Enhancement Supplements Containing Undeclared Drugs Recalled (07/22/2013)
95.Two Sexual Enhancement Supplements Recalled (07/15/2013)
96.Three Sexual Enhancement Supplements Found Contain Undeclared Drugs (06/28/2013)
97.Another Sexual Enhancement Supplement Found Contain Undeclared Drug (06/27/2013)
98.Sexual Enhancement Supplement Found To Contain Undeclared Drug (06/19/2013)
99.FDA Warns Consumers of Sexual Enhancement Supplements Containing Prescription Drugs (06/13/2013)
100.Hoodia, Sexual Enhancement Supplements and More Found To Be Adulterated, Misbranded (05/17/2013)
101.Three Sexual Enhancement Supplements Recalled for Undeclared Drug Risk (05/08/2013)
102.FDA Warns Consumers Of Three More Sexual Enhancement Supplements Containing Undeclared Drugs (05/07/2013)
103.Recall: Two Sexual Enhancement Supplements Containing Undeclared Drugs (05/03/2013)
104.Seller of Immune, Cholesterol, Liver and Blood Sugar Products Warned For Drug Claims (04/26/2013)
105.FDA Warns Consumers of Sexual Enhancement Supplements Containing Drugs (04/25/2013)
106.Cardio, Energy and Sexual Enhancement Supplement Distributor Warned For Manufacturing Violations and Drug Claims (04/18/2013)
107.FDA Warns Consumers About The Dangers Of DMAA (04/12/2013)
108.Maker of Workout Booster Warned For Manufacturing Violations (04/11/2013)
109.Recall: Sexual Enhancement Supplement Containing Undeclared Drug (04/10/2013)
110.Three More Sexual Enhancement Supplements Found To Contain Undeclared Drugs (04/04/2013)
111.FDA Warns Consumers: Three Sexual Enhancement Supplements Found To Contain Drugs (03/21/2013)
112.Recall: Male Sexual Enhancement Supplement Containing Drugs (03/13/2013)
113.FDA Warns USPLabs For Adulteration and Drug Claims (02/20/2013)
114.Manufacturer of Heart, Multivitamin, Cranberry, and Longevity Supplements Warned For Adulteration and Drug Claims (02/13/2013)
115.Recall: Male Sexual Enhancement Supplement Found to Contain Prescription Drug (01/28/2013)
116.USPLabs Settles Class Action Lawsuit Over Controversial DMAA Ingredient (01/23/2013)
117.Nutrition Bars Recalled Due To Undeclared Allergen (01/16/2013)
118.Sexual Enhancement Supplements Recalled Due To Undeclared Drugs (12/19/2012)
119.Maker of Vitamin C, Aloe and Sexual Enhancement Supplements Warned for Drug Claims and Misbranding (11/14/2012)
120.Manufacturer of Prostate, Inflammation and Cholesterol Supplements Warned For Drug Claims (11/02/2012)
121.FDA Seizes Many Supplements from New York Company Due To Drug Claims (10/24/2012)
122.Sexual Enhancement Supplements For Men and Women Recalled Due to Prescription Drug Risk (09/21/2012)
123.Men’s Sexual Enhancement Supplement Containing Prescription Drug Recalled (09/18/2012)
124.Herbal Supplement Company Warned For Medical Claims (08/29/2012)
125.Prescription and Street Drug Alternatives Found in Male Enhancement, Mood, and Sleep Supplements (07/27/2012)
126.Sexual Enhancement Supplements Containing Prescription Drug Recalled (07/26/2012)
127.FDA Warns Good Herbs Inc. of Manufacturing Violations and Drug Claims (07/05/2012)
128.FDA Warns Nutrition Center Inc (Nutri-West) of Manufacturing Violations (10/05/2011)
129.Two Makers of Weight Loss and Sex Enhancement Supplements Stopped From Making Unsubstantiated Claims (08/31/2004)
130.FTC Alleges "Heartbar" Made Deceptive Claims About Effectiveness (06/15/2003)


News Releases Found:
2017 ConsumerLab.com Tests L-Arginine "Blood Flow" Supplements, Identifying Its Top Picks (09/11/2017)
2011 ConsumerLab.com examines whether nitric oxide supplements make muscles bigger and increase endurance (11/14/2011)
 ConsumerLab.com analyzes supplements for sexual dysfunction -- Only three out of ten products selected for testing pass (08/31/2011)
2006 Sexual enhancement supplements analyzed by Consumerlab.com (01/25/2006)
2002 Problems found with most sexual enhancement supplements evaluated by ConsumerLab.com — Only 9 of 22 products pass independent review (09/24/2002)


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