Whey-Casein Protein Buyer’s Guide

Whey-Casein Protein Shakes Advantages Over Whey Alone
Whey-casein protein shakes have several advantages over powders that only contain whey. One is that they’re superior to whey for building muscle (1). This is because unlike whey which is digested very quickly, casein takes several hours to digest. This provides for a slow release of amino acids and nutrients to your muscles that continuously keeps your muscles in a state where they are able to help you build muscle. Whey-casein protein blends are also great as a meal replacement for the same reason. Their slow rate of digestion helps full longer than whey protein alone, especially when the shake also contains added fiber.

When Whey-Casein Shakes May Not Be Best
Two of the only times you may not want to drink a whey-casein protein shake is pre and post-workout. A quickly digested whey protein drink is better at these times since it will be able to give you energy and more quickly fuel your recovery. A whey protein powder I recommend is Optimum Nutrition Gold Standard Whey. It’s Bodybuilding.com’s best selling whey powder that contains 24 grams of protein per scoop. It is also one of the most affordable whey protein powders on the market.

The Best Whey-Casein Protein Shakes
Below are my favorite protein and meal replacement powders that contain both whey and casein proteins as their primary protein source. They’re broken down into three categories: the lowest priced whey-casein shake, best overall shake (regardless of price), and the best whey-casein meal replacement shake.

1. The Lowest Priced Whey-Casein Shake
Inner Armour Super Quad Protein
Super Quad Protein is an extremely affordable protein powder that uses a blend of whey, casein, and egg proteins. This blend also has added creatine to provide even more muscle building power. Each 5 lb. container contains 65 one scoop servings each with 24 grams of protein, 8 grams of carbohydrate, and just 2 grams of fat. If you drink a single 2 scoop shake a day, one can should last you about a month.

At just $.55 per scoop ($1.11 per 2 scoop shake) Super Quad Protein is our top choice for the most affordable, high quality whey-casein protein powder. The only real downsides it has are no added fiber and a somewhat high sugar content.

click here to learn more about and to buy Super Quad Protein at Bodybuilding.com.

2. The Best Overall Whey-Casein Protein Powder
ISS Pro M3
ISS Pro M3 uses whey, casein and egg proteins. The casein in Pro M3 is micellar casein which is considered to be one of the best types of casein protein available. Each 3 scoop serving contains 50 grams of protein, 3 grams of carbohydrates, and just 2 grams of fat. This makes it great for any type of diet, even low carb. Pro M3 also has added digestive enzymes to help you absorb more nutrients to feed your hungry muscles and decrease the odds of a shake giving you an upset stomach. ISS Pro M3 is available in four delicious flavors: Banana, Chocolate, Strawberry, and Vanilla. This provides enough variety so you don’t get tired of drinking your shakes every day.

ISS Pro M3 is our choice for a very high quality protein powder that contains a more than adequate amount of whey and casein in each serving. Its good variety of flavors, low amount of carbohydrates, and digestive enzymes also help make it our choice for best whey-casein protein powder.

Click here to learn more about and to buy ISS Pro M3 at Bodybuilding.com.

3. The Best Whey-Casein Meal Replacement Shake
BSN Syntha 6
Syntha 6 is by far our favorite whey and casein meal replacement powder. The main reason for this is that it contains 46 grams of super high quality protein per 2 scoop serving. The protein blend contains several different types of whey and casein proteins which contain a variety of health and muscle-building nutrients not found in most whey and casein blends. Also added is egg protein but the various types of whey and casein are the stars. You also get 10 grams of fiber, 16 grams of low glycemic carbohydrates and 12 grams of healthy fats per 2 scoop shake.

BSN Syntha 6 is available in 7 great flavors: Chocolate, Chocolate Mint, Chocolate Peanut Butter, Cookies and Cream, Mocchachino, Strawberry, and Vanilla. This much variety means that you can drink a different flavored shake every day of the week if you want. Given the low glycemic value of the carbohydrates which will barely impact your blood sugar levels and added fiber, Syntha 6 is a great meal replacement for any type of diet whether you are dieting to lose body fat, build muscle, or want to drink a shake that can help you stay healthy.


Click here to learn more about and to buy BSN Syntha-6 at Bodybuilding.com

It’s Your Choice
Now you have a complete guide to the best whey-casein protein shakes in 3 key categories. All that’s left for you to do is choose which best for your own needs. You can buy any of them online at Bodybuilding.com at up to 40% off retail prices. Clicking on the links for each of the shakes in this article will take you directly to that products page. I also recommend reading my article When To Drink Casein Protein Shakes to learn how to get the most from the powder that you choose.

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