SEARCH RESULTS for "Creatine"

Muscle Enhancement Supplements (Creatine and Branched Chain Amino Acids) Reviewed by

Muscle & Workout Supplements Review (Creatine and Branched-chain Amino Acids)

Find the best muscle and workout supplements with creatine and branched-chain amino acids (BCAAs), tests for contamination with dicyandiamide, evidence for increasing muscle strength and endurance, improving your workout, dosage, safety, side effects and more. Find out which ones passed our tests and why.

Other Related Product Reviews Found:
* = Search term may appear only in full report available to members. Sign in or Join now.
1.L-Arginine Supplements Review  *
2.Turmeric and Curcumin Supplements and Spices Review  *
3.Human Growth Hormone (HGH) and Insulin-like Growth Factor-1 (IGF-1) Supplements Review Article  *
4.Astaxanthin Supplements Review  *
5.Taurine Supplements Review for People, Dogs, and Cats  *
6.Weight Loss Supplements Review (7-Keto DHEA, Forskolin and Stimulant Blend Supplements)  *

Encyclopedia Articles Found: (Articles do not mention brands)
Membership required for all articles. Sign in or Join now.
2.Congestive Heart Failure
3.Sports and Fitness Support: Enhancing Performance
4.Chronic Obstructive Pulmonary Disease
6.Vegan Diet
7.Injuries, Minor
8.Amyotrophic Lateral Sclerosis
9.Mitral Valve Prolapse
10.High Triglycerides
... More Results Answers to Questions Found:
Membership required for some Answers. Sign in or Join now.
1.I have heard that caffeine can interfere with the benefits of creatine supplementation. Is that true?
2.Can heat and humidity destroy whey protein and other sports nutrition supplements (e.g., creatine, BCAAs, digestive enzymes) during shipping or while storing at home?
3.Do vitamins, minerals and nutritional supplements lose effectiveness with exposure to high temperatures and is it safe to order supplements by mail in the summer?
4.I do moderate exercise for about an hour a few times a week. Which supplements might help me?
5.Is it true that glutamine powder can help protect the stomach when taking NSAIDs like ibuprofen?
6.Do any supplements improve balance or reduce the risk of falls?
7.Are liquid vitamins better than pills?
8.What do alkaline booster drops do? Do they provide the same benefits as Kre-Alkalyn?
9.I was surprised when my doctor told me to stop taking supplements because my kidney function was low. But after stopping the supplements, my kidney function returned to normal. Can taking a lot of supplements really damage the kidneys?
10.Which supplements can cause diarrhea?
11.What is the difference between cysteine and cystine?
12.Can taurine help reduce muscle cramps?
13.What is CELLFOOD and is it a healthy supplement?
14.Do any supplements help for irritable bowel syndrome (IBS)?
15.Is it true that some vitamins or supplements can cause cancer?
16.Do any supplements reduce side of effects of chemotherapy?

Clinical Updates Found:
2019 A Better Form of Creatine? (11/29/2019)
A Better Form of Creatine?
A relatively new form of creatine may raise creatine levels in the blood and muscle more effectively than the most common form (creatine monohydrate), but it has drawbacks. Learn more in the ConsumerTips section of the Muscle & Workout Supplements Review. Also see our Top Picks for creatine.
 Creatine for Older People (04/16/2019)
Creatine for Older People
Creatine may boost the benefits of resistance exercise for older people, according to recent studies. For details, including dosage, see the What It Does section of the Creatine Supplements Review. Also see our Top Picks for creatine.
2018 Creatine for Older People (12/18/2018)
Creatine for Older People
Does taking creatine improve muscles in older people? See the results of a recent study in the What It Does section of the Muscle & Workout Supplements Review. (Also see our Top Pick for creatine).
 Amino Acids After Knee Replacement? (10/05/2018)
Amino Acids After Knee Replacement?
Does taking amino acids after knee replacement surgery help maintain muscle volume, mobility, and strength? See what a recent study found in the What It Does section of the Muscle & Workout Supplements Review. (Also see our Top Picks in this category).
 Glutamine for IBS? (09/04/2018)
Glutamine for IBS?
Glutamine, an amino acid, plays a role in maintaining the digestive tract. Can taking it as a supplement help people with irritable bowel syndrome (IBS)? Find out what a recent study showed in the Glutamine section of the Muscle Enhancers Review.
2017 Creatine Pumps Up Muscles (12/09/2017)
Creatine Pumps Up Muscles
Giving creatine during a resistance-training program significantly boosted muscle size more than placebo in a recent study – and certain muscles increased in size more than others. Learn more in the "What It Does" section of the Muscle & Workout Supplements Review (Creatine & BCAAs). (Also see our Top Picks and Cautions and Concerns for creatine).
2016 Leucine Protects Muscle In Middle-Aged (01/24/2016)
Leucine Protects Muscle In Middle-Aged
A recent study found that active, middle-aged people restricted to bed rest for several days lost significantly less muscle mass and function if given a leucine supplement along with their meals. Fat gain was also reduced. Get the details, including our tests of leucine-containing supplements, in the Muscle Enhancers Review >>
2015 Muscle Supplements and Testicular Cancer (04/15/2015)
Muscle Supplements and Testicular Cancer
A study of men who have used muscle-building supplements shows a disturbing increase in the risk of testicular cancer. More information is in the Muscle Enhancers (Creatine and Branched-chain Amino Acids) Review >>
 Creatine Tested for Parkinson Disease (02/17/2015)
Creatine Tested for Parkinson Disease
Taking creatine daily for at least five years did not slow the progression of Parkinson disease according to a recently reported study involving nearly 1,000 patients. For more details about the study, other studies with creatine (for strength, fibromyalgia, etc.), and our tests of creatine supplements, see the Product Review of Muscle Enhancers (Creatine and Branched-chain Amino Acids) >> 
2013 Amino Acids Speed Recovery From Knee Surgery (11/10/2013)
Amino Acids Speed Recovery From Knee Surgery
A study of men and women receiving knee replacement surgery showed that taking essential amino acids (including branched-chain amino acids) twice daily before and after surgery reduced muscle loss and speeded recovery. For details, including dosage, plus our reviews of amino acid supplements, see the updated Muscle Enhancers Review >> 
 Creatine for Fibromyalgia (05/19/2013)
Creatine for Fibromyalgia
A new study shows that creatine might have a role in boosting muscle strength in patients with fibromyalgia. Get the details, plus quality ratings for creatine supplements in our updated Muscle Enhancers (Creatine and Branched Chain Amino Acids) Review >>

Recent Recalls and Warnings Found:
1.Muscle and Recovery Supplements Recalled Due to Undeclared Milk (04/09/2018)
2.Workout Supplements Recalled Due To Allergen Risk (04/06/2018)
3.FDA Warns Sellers of Bodybuilding Supplements Containing Steroid-Like Substances (11/01/2017)
4.FDA Warns Seller of DHEA, Creatine, Chromium & More for Manufacturing Violations, Drug Claims (09/26/2017)

Archived Recalls and Warnings Found:
Membership required for all articles. Sign in or Join now.
1.Muscle Enhancement Supplement Containing Steroid-Like Substances Recalled (05/20/2017)
2.Muscle Enhancement Supplement Recalled (05/08/2017)
3.Seller of Amino Acid Supplements & More Warned for Manufacturing Violations (05/02/2017)
4.Seller of Protein and Workout Supplements Warned for Manufacturing Violations, Label Errors (01/07/2017)
5.DMAA Product Recalled (11/25/2016)
6.Steroid "Alternatives" Not Permitted In Dietary Supplements, FDA Warns (10/29/2016)
7.Amino Acid Supplements Recalled (05/23/2016)
8.Workout Supplement Containing Acacia Rigidula Recalled (04/16/2016)
9.Muscle Enhancement Supplement Recalled (04/05/2016)
10.FDA Warns Sellers of Weight and Workout Supplements Containing Acacia Rigidula (03/15/2016)
11.Work Out and Weight Supplements Contain Synthetic Amphetamine-Like Compound (02/16/2016)
12.Weight and Energy Supplement Contains Synthetic "Amphetamine" (09/30/2015)
13.Seller of Muscle Supplements and More Warned for Manufacturing Violations (09/26/2015)
14.Synthetic Amphetamine, Less Protein and More Sugar Than Claimed Found in Workout Supplements (08/22/2015)
15.Teen Use of Weight Loss and Workout Supplements Labeled "For Adult Use Only" Concerning (04/29/2015)
16.FDA Targets Weight Loss and Workout Supplements Listing Synthetic Stimulant DMBA (04/29/2015)
17.FDA Identifies More Products Listing Synthetic Amphetamine (04/26/2015)
18.Muscle Supplement Linked to Serious Liver Injury (04/14/2015)
19.Does Your Weight Loss or Sports Supplement Contain Synthetic Amphetamine? (04/08/2015)
20.Seller of Muscle Supplements Containing Synthetic Steroids Warned (02/17/2015)
21.FDA Warns Consumers Not to Buy or Use Muscle Enhancement Supplement (11/14/2014)
22.Seller of Sexual, Muscle Enhancement Supplements Warned for Manufacturing Violations and Drug Claims (11/11/2014)
23.Supplements Recalled Years Ago Remain on the Market, Still Contain Hidden Drugs (10/22/2014)
24.New Synthetic Stimulant Found in Supplements (10/09/2014)
25.Maker of Mood, Smoking Cessation Supplements and More Warned for Violations, Drug Claims (05/14/2014)
26.Seller of B Vitamins, CoQ10, Amino Acids and Other Supplements Warned for Manufacturing Violations and Drug Claims (04/29/2014)
27.Seller of Aloe and Vitamin C Supplements Warned for Manufacturing Violations (03/05/2014)
28.Maker of Cholesterol and Workout Supplements Warned For Manufacturing Violations, Drug Claims and Unapproved Ingredient (02/13/2014)
29.Muscle Growth Supplement Linked with Liver Failure (12/24/2013)
30.Another Meth-Like Compound Discovered In Weight Loss Supplements (11/20/2013)
31.Ingredient In Workout Supplements May Be Unsafe, FDA Warns (10/27/2013)
32.Methamphetamine-Like Compound Found In Popular Workout Supplement (10/16/2013)
33.Seller of Omega-3 and Joint Supplements Warned for Manufacturing Violations and Drug Claims (09/17/2013)
34.Creatine Powder Containing DMAA Recalled (09/15/2013)
35.Fat Loss and Muscle Enhancement Supplements Found To Contain DMAA (08/01/2013)
36.Safety of Certain Weight Loss and Bodybuilding Supplements Called Into Question (07/26/2013)
37.FDA Warns Consumers About The Dangers Of DMAA (04/12/2013)
38.Maker of Workout Booster Warned For Manufacturing Violations (04/11/2013)
39.Manufacturer of Joint, Weight Loss, Muscle Supplements and More Warned for Adulteration, Misbranding and Drug Claims (03/01/2013)
40.FDA Warns USPLabs For Adulteration and Drug Claims (02/20/2013)
41.Energy Drink Recalled Due To Bacterial Contamination (02/15/2013)
42.FDA Warns Maker of Weight Loss and Whey Protein Supplements For Manufacturing Violations and Misbranding (02/13/2013)
43.DMAA Supplement Linked to Runner's Death (02/01/2013)
44.USPLabs Settles Class Action Lawsuit Over Controversial DMAA Ingredient (01/23/2013)
45.Nutrition Bars Recalled Due To Undeclared Allergen (01/16/2013)
46.Manufacturer of Muscle Building Supplement Containing Steroid Pleads Guilty (11/26/2012)
47.Maker of Vitamin C, Aloe and Sexual Enhancement Supplements Warned for Drug Claims and Misbranding (11/14/2012)
48.Maker of Concussion Recovery Supplement Warned For Making Drug Claims (09/10/2012)
49.Maker of Concussion Recovery Supplement Warned For Making Drug Claims (09/10/2012)
50.Protein Supplement Maker Fails FDA Audit -- Many Products Affected (04/16/2012)
51.Performance Enhancing Ingredient, DMAA, Not Really from Geraniums, Putting Its Use in Supplements in Doubt (08/07/2011)
52.Recall of Calcium & Magnesium Softgels Containing Excessive and Potentially Toxic Amounts of Vitamin D (06/22/2011)

News Releases Found:
2014 Problems Found with the Quality and Labeling of Some "Muscle Enhancement" Supplements -- Review of Creatine and Branched-chain Amino Acid Supplements Published by (01/15/2014)
2013 Use of CoQ10, Digestive Enzymes, Probiotics and B Vitamins on the Rise According to Survey (01/31/2013)
2010 Tests of "muscle enhancement" supplements show quality problems with some creatine and branched-chain amino acid products -- Review of Muscle Enhancement Supplements published by (07/21/2010)
2006 responds to vitamin industry claim to be "vindicated" in defamation case (11/17/2006)
 Tests of "muscle" supplements finds some "weak" products but most contain expected creatine, HMB, or amino acids — Review of muscular enhancement supplements published by (11/13/2006) report on CoQ10 supplements finds quality high but large range in suggested dosage (10/20/2006)
 Care advised with natural cold remedies: finds few products with proper quality and directions — offers advice from tests of echinacea, garlic, ginseng, vitamin C, and zinc supplements (10/10/2006)
 DHEA supplements, touted for anti-aging and strength, reviewed by — Testing finds one brand with 215% of the labeled amount (09/19/2006)
 Over 70% of herbal sleep supplements fail tests for quality by — Results for 16 valerian products released today (08/15/2006) evaluates cholesterol-lowering supplements — Test results available for over 90 products; Review of nine popular ingredients (08/01/2006)
2003 finds new forms of creatine prone to problems — Test results of muscular enhancement supplements published online today (09/24/2003)
 Some problems persist with ginseng supplements but overall quality improves according to — Test results published online today (08/28/2003) finds many cholesterol-lowering supplements poorly made — Test results published online today (07/31/2003) finds lead in coral calcium product; Product also charged with false advertising by FTC — Calcium supplement product review published online today (06/10/2003)
 Consumers advised to read labels carefully when selecting herbal supplements for prostate — Saw palmetto product review published online today (05/20/2003)
 Low quality ingredient appears widespread among Ginkgo supplements according to; points to challenge for FDA's proposed regulations — Review of memory enhancement supplements released today (04/21/2003)
2002 Athletic Banned Substances Screening and Certification Program announced by — Tester of supplements to screen for substances banned in Olympics (02/08/2002) finds most B vitamin supplements contain what they claim, but often exceed safe levels — Consumers cautioned to be aware of side effects with high dose products (01/08/2002)
2001 finds fish oil supplements free of mercury, but 30% lacking in key ingredient — Test results of omega-3 fatty acid (EPA and DHA) products released today (11/20/2001)
 Sixty percent of nutrition bars fail to meet claims in tests — "Low Carb" bars often loaded with carbohydrates; excess sodium and saturated fat also found (10/30/2001)
 Most iron supplements pass testing — Lead contamination and insufficient iron found in some (10/03/2001)
 Problems and ambiguity among alternative estrogen products reported by — Results of soy and red clover isoflavone product testing released online today (08/15/2001)
 Many herbal sleep products lack key claimed ingredient — Results of's testing of valerian products released on web today (07/09/2001) reports test results of arthritis supplement — MSM; Quality found higher than for most supplements, but room for improvement remains (06/04/2001)
 Over forty percent of Echinacea products fail review; Inadequate labeling and missing ingredients found common for popular herbal cold remedy (05/07/2001)
 Quality of popular herbal anti-depressant found to vary; certain types of St. John's Wort supplements more likely to pass testing (04/10/2001) expands testing of health products; success of dietary supplement evaluations leads company into broader nutrition field, beginning with popular nutrition bars (03/27/2001) review of vitamin E supplements finds some insufficiencies and need for clearer labeling; test results released online today (03/13/2001)
 Problems found with multivitamins and multiminerals by (02/14/2001)
 Some supplements for arthritis may exceed newly released safe intake levels for manganese (01/29/2001)
2000 tests popular supplement for heart failure; CoQ10 test results released online today (11/21/2000) finds new calcium products of higher quality than many traditional supplements; Test results released online today (09/06/2000) finds that not all creatine supplements meet label claims; Popular sports supplement test results released online (08/07/2000)
 Pesticide contamination found in many Ginseng supplements tested by (07/11/2000) announces first test-based buyer's guide to dietary supplements; Manufacturers encouraged to have products tested for potential inclusion. (04/24/2000)


This search engine specifically searches for information in the Product Reviews, The Natural and Alternative Treatments Encyclopedia, Recalls and Warnings, and Press Releases on the Web site. It can be used, for example, to find all references to products from a specific manufacturer listed on the site or references to specific medical conditions or other terms.

Enter your query:
 Free Text Search (Recommended for general terms. Uncheck for brand names.)



Coronavirus Information Center
Coronavirus Information Center
Answers to Critical Questions About COVID-19.

Product Reviews

In addition to our product reviews our encyclopedia covers the following:

Herbs & Supplements


Drug Interactions

Alternative Therapies


Follow us on...
facebook twitter
Join |  Sign In
Join Us on Facebook! Join Us on Instagram! Join Us on Twitter! Join Us on YouTube! Join Us on YouTube!
Product Reviews
Brands Tested
Health Conditions
CL Answers
Clinical Updates
Recalls & Warnings
Recommended Intakes
Where to Buy Products
Testing Program
How Products Were Tested
Quality Certification Program
Join CL Today
Join Free Newsletter
Group Subscriptions
Gift Membership
About Us
The CL Seal
CL Survey
Privacy Policy
Contact Us/Help

©2020, LLC. All rights reserved. A single copy of a report may be printed for personal use by the subscriber. It is otherwise unlawful to print, download, store or distribute content from this site without permission. name and flask logo are both registered trademarks of, LLC. This site is intended for informational purposes only and not to provide medical advice.