Reviews and Information for Casein
Protein Powders
Find the best protein powders containing whey, casein, pea, egg, hemp, and peanut proteins, and see how much sodium, carbs, fats, and calories are really in popular brands. Learn to choose one that is high quality without contamination, and low cost, with the right dose for maintaining muscle, and best for meal replacement.
Protein Powders Review
Filters
View All
Search term may appear only in full report available to members. Join now for full access.
CL Answer
Does consuming casein protein, like in Greek yogurt, increase the risk of prostate cancer?
Find out if consuming casein protein, found in Greek yogurt and other dairy products, increases the risk of prostate cancer.
CL Answer
Is Greek yogurt a good source of protein?
Find out if Greek yogurt is a good source of protein, how much protein it contains, and what type of protein it contains..
Clinical Update
7/06/2019
Casein Peptides for Better Sleep?
People with difficulty sleeping were given a casein hydrolysate to see if it would help them sleep. Find out if it worked in the Casein section of the Protein Powders, Drinks and Shakes Review. Also see our Top Picks among casein and other protein products.
Product Review
Olive Leaf Extract Supplements Review
Learn What Olive Leaf Does and the Best Brands
Product Review
Lion's Mane and Chaga Supplements Review
Read Labels Carefully -- Many Can Mislead
Product Review
Electrolytes & Sports Drinks Review
See Which Sports Drinks, Powders, and Pills Deliver the Right Electrolytes
Product Review
Lavender and Tea Tree Essential Oils Review
Oils Tested for Authenticity and Purity
CL Answer
What is the best protein supplement for vegetarians and vegans?
Find out which protein supplements for vegetarians and vegans are best, including those made from whey, casein, soy, rice, pea, and hemp. ConsumerLab.com's answer explains.
Clinical Update
5/15/2018
Casein at Night?
It has been suggested that casein protein be taken at bedtime because it is absorbed relatively slowly, providing a more continuous supply of amino acids throughout the night to maintain muscle. A study recently put this theory to the test. See the results in the Casein section of the Protein Powders Review. Also see our Top Picks among products.
CL Answer
Is it true that I need to drink more water or increase calcium intake when supplementing with protein powder?
Find out if protein supplements, powders and shakes can cause dehydration or bone loss, and whether you need to drink more water or increase your calcium intake when taking protein supplements. ConsumerLab.com's answer explains.
CL Answer
Do collagen supplements impact cholesterol levels or reduce risk factors for atherosclerosis?
Collagen has been studied for its effects on cholesterol levels and atherosclerosis risk factors, but its effects are still not clear.
Product Review
Choline and Lecithin Supplements Review (Including Phosphatidylcholine, CDP-Choline, and Alpha-GPC)
Choose the Best Choline Supplement. Find Out How Much Choline Popular Supplements Really Provide.
Product Review
Cranberry Juices and Supplements Review
CL's Tests Show Which Cranberry Juices and Supplements Are Best and Cost the Least
Product Review
Digestive Enzyme Supplements Review
Big Differences in Strength Found Among Digestive Enzyme Supplements. CL Tests Reveal Which Are Best.
Clinical Update
6/17/2020
Whey vs. Casein vs. Neither
A study among elderly men engaged in strength training compared the effects of supplementing with whey protein, casein protein, or neither. Learn what the study showed in the What It Does section of the Protein Powders Review. Also see our Top Picks among protein powders.
CL Answer
What’s the Best Way to Get High-Quality Protein from Food?
Find out the best way to get high-quality protein from animal or plant-based food instead of supplements.
Product Review
L-Lysine Supplements Review
Read L-Lysine Labels Carefully. Some Can Fool You.
CL Answer
Do essential amino acid (EAA) supplements help build muscle better than dietary protein or protein supplements?
Comparison of essential amino acids vs dietary protein and protein supplements for building muscle.
Clinical Update
3/28/2023
Protein For Faster Improvement?
Did taking a protein supplement lead to faster improvement in walking speed among older men and women than exercise alone? Find out what a recent study showed in the Building and maintaining muscle mass section of our Protein Supplements Review.
Also see our Top Pick among protein supplements (including whey, casein, pea, and soy).
Clinical Update
10/23/2021
How Good Is Pea Protein?
How does the amino acid quality and digestibility of pea protein compare to casein? Find out what a new study showed in the ConsumerTips section of our Protein Supplements Review, which also explains the differences between whey, soy, rice, and other sources of protein. Also see our Top Picks among protein powders, including our Top Pick for pea protein.
Clinical Update
1/11/2022
Soy Versus Whey Protein
Can soy protein help increase muscle mass and strength as well as the same amount of whey protein? See what a recent study showed in the Soy section of our Protein Powders and Drinks Review, which includes comparisons of whey, casein, soy, rice, pea and other forms of protein. Also see our Top Picks among protein supplements.
Product Review
Aloe Juices, Gels, and Supplements Review
How Much Aloe is Really in Aloe Products? Find Out and See Our Top Picks.
Product Review
PQQ (Pyrroloquinoline Quinone) Supplements Review
Learn What PQQ Does and Which PQQ Supplements are Best
News Release
June 30, 2022
Best Protein Shakes & Drinks According to ConsumerLab Tests. Lead, Excess Sodium Found in Some
White Plains, New York, June 30, 2022 — Consumers may get more sodium, fat, calories, or even lead, than they bargained for from some protein supplements, according to recent ConsumerLab tests of over 20 popular protein powders and shakes.
Product Review
NAC (N-Acetyl Cysteine) Supplements Review
Choose the Best N-Acetyl Cysteine Supplement. See Our Tests of Popular NAC Supplements and Top Picks for Quality and Value.
CL Answer
Which supplements or OTC medications help reduce flatulence (gas), and are there any that make it worse?
Find out which supplements may help reduce flatulence (gas), and learn which supplements or foods may worsen symptoms of flatulence.
News Release
January 03, 2019
ConsumerLab Tests Reveal the Best Protein Powders, Shakes and Drinks -- 20% of Protein Powders and Drinks Fail CL's Tests of Quality
White Plains, New York, January 3, 2019 — Combined with resistance exercise, protein supplements can help athletes build muscle and older people prevent muscle loss. They can also help people with diabetes maintain blood sugar levels when consumed as part of a low-calorie diet.
Product Review
Bone Broth Review
Find the Best Bone Broth. Find Out How Much Collagen and Sodium Is Really In Popular Bone Broths.
Product Review
Plant-Based Milks Review (Almond, Cashew, Coconut, Flax, Hemp, Macadamia, Oat, Pea, and Soy)
Find the Best Non-Dairy Milk Alternative. ConsumerLab Tests Reveal What's Really In Plant-Based Milks.
Product Review
Echinacea Supplements Review
Many Echinacea Supplements Fail CL's Tests. Make Sure You Know What You're Getting!
Product Review
NAD Booster Supplements Review (NAD+/NADH, Nicotinamide Riboside, and NMN)
How Important Is Boosting NAD+ Levels? Find Out and Learn How Booster Supplements Compare.
Product Review
Iron Supplements Review (Iron Pills, Liquids and Chews)
See Which Iron Supplements Are CL's Top Picks for Different Needs
News Release
June 15, 2016
28% of Protein Powders and Drinks Fail ConsumerLab.com's Tests of Quality
White Plains, New York, June 15, 2016 — Protein powders and drinks can help build and maintain muscle when combined with exercise and can also help with blood sugar control. However, recent ConsumerLab.
News Release
June 11, 2013
31% of Protein Powders and Drinks Fail Tests by ConsumerLab.com
White Plains, New York — June 11, 2013 — What's really in a scoop of "protein powder"? sIn some products, a lot less protein or a lot more carbohydrates than you would expect, and perhaps even a serving of something you don't want -- lead. That's according to recent tests by ConsumerLab.
CL Answer
Is it better to get vitamins from foods or supplements, and are natural vitamins better than synthetic vitamins?
Learn more about the benefits of getting vitamins from food versus supplements, natural versus synthetic vitamins, and more.
Recalls & Warnings
July 06, 2018
Prescript-Assist Probiotic Recall Expanded
On July 6, 2018, LL's Magnetic Clay, Inc., expanded its original recall of Prescript-Assist, a "broad spectrum probiotic and prebiotic" supplement, because it may contain undeclared almonds, crustaceans, dairy, casein, eggs, and peanuts.
Recalls & Warnings
June 29, 2018
Prescript-Assist Probiotic Recalled
On June 29, 2018, LL's Magnetic Clay, Inc., issued a recall of certain lots of Prescript-Assist, a "broad spectrum probiotic and prebiotic" supplement, because they may contain undeclared almonds, crustaceans, dairy, casein, eggs, and peanuts.
Recalls & Warnings
August 04, 2015
Whey, Casein and Colostrum Products Recalled
On August 3, 2015, Nutrition Resource Services, Inc. issued a voluntary recall of certain Just Be Natural (JBN) and Gifted Nutrition powders containing whey concentrate, whey isolate, casein, and colostrum because they contain undeclared milk.
Recalls & Warnings
April 19, 2013
Recall: Protein Powder May Have Been Contaminated During Packaging
On March 14, 2013, F.H.G Corporation, dba Integrity Nutraceuticals, issued a voluntary recall of MusclePharm Cookies 'N" Cream Combat Powder and Banana Cream Combat Powder protein powders because they may be contaminated with extraneous materials due to problems on the packaging line.
Recalls & Warnings
September 02, 2015
Antioxidant Supplement Recalled
On August 28, 2015, VRVK Nutraceuticals, LLC, DBA Dr. Venessa's Formulas, issued a voluntary recall of Ultimate Antioxidant Tablets because they may contain the undeclared allergens crustacean shellfish and milk.
News Release
August 20, 2007
ConsumerLab tests products in booming nutrition drink market — most deliver what's promised but extra cholesterol found in some — New report covers drinks and powders for endurance/recovery, body building, meal-replacement and dieting
WHITE PLAINS, NEW YORK — AUGUST 20, 2007 — A new report from ConsumerLab.com finds most nutrition powders, shakes and drinks meet their nutrient claims, but three products — two sports drinks and a meal supplement — contained more cholesterol than claimed.
News Release
April 27, 2005
ConsumerLab.com finds quality of most nutrition powders and drinks high, but identifies five protein powders with excess sodium or cholesterol — Report Now Available Online
WHITE PLAINS, NY — APRIL 27, 2005 — ConsumerLab.com has released its latest report on the quality of nutrition powders, shakes and drinks. These products are used for general nutrition, dieting, and meal-replacement and are frequently used by athletes and bodybuilders.
Recalls & Warnings
February 05, 2014
Maker of Digestive Health Supplement Warned For Manufacturing Violations, Drug Claims
On January 22, 2014, the FDA issued a warning letter to Intensive Nutrition Incorporated, following a facility inspection which found the company's digestive support supplement, Tanalbit, to be adulterated because it was prepared, packed, or held under conditions that violate Current Good ...
Recalls & Warnings
April 16, 2012
Protein Supplement Maker Fails FDA Audit -- Many Products Affected
The FDA sent a Warning Letter (dated April 2, 2012) to Theta Brothers Sports Nutrition, Inc. regarding numerous violations of good manufacturing practices at its Lakewood, New Jersey facility.
Recalls & Warnings
September 19, 2012
FDA Reports Arsenic in Rice Products -- Particularly Brown Rice
On September 19, 2012, the U.S. FDA released results of its testing of nearly 200 samples of rice and rice products, finding appreciable levels in many products, although the amounts in only a few exceed the cancer-warning threshold of the State of California (10 mcg per daily serving).
