Quest Protein Powder

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Quest Protein Powder
Product overview
Protein type
Whey Protein blend
$1.05 per serving (Vanilla)

Ingredients (Mouse over ingredients to read details)


    Summary: Quest Nutrition as a company values health and works to use high-quality ingredients in their products, which range from protein bars to snacks to a protein shake that comes in 8 flavors. The company is so committed to good ingredients that they even go so far as to manufacture the inclusions in their bars. A closer look at the ingredients list, though, might throw some doubt on their claims.

    Ingredients: For the most part, Quest Protein Shakes have a relatively clean ingredient list with very few fillers. At 100 calories per serving, it falls right in a good range to be a healthy shake. It contains reasonable amounts of sodium and fat, and less than 1 gram of sugar. Plus, it tastes great. In many ways, there’s a lot to like about Quest Protein Shakes.

    The Protein Blend Quest uses in their shake formula is a combination of Whey Protein Isolate and Micellar Casein. Each 28-gram serving boasts 22 grams of protein from these sources! While it’s good for a protein shake to have lots of protein, the type of protein blend used in this shake makes us wonder whether it’s a meal replacement shake to help users get fit, or if it’s more of a muscle shake for body building?

    Whey protein comes in four forms, two of which are commonly used in protein shake formulas: whey protein concentrate (WPC) and whey protein isolate (WPI). WPC is 29%-89% protein and also contains fat and other nutrients. WPI contains no fat or lactose, and is 90%+ protein[i]. WPI is often a primary ingredient in muscle shakes. Micellar casein is another common muscle shake ingredient, working to time slow release of amino acids into the blood stream. These aren’t bad ingredients, they simply are often more suited for bulking up muscle rather than supplementing a healthy, fit lifestyle.

    Quest Protein Shakes contain two controversial ingredients: carrageenan and sucralose. Depending on who you talk to, these ingredients may or may not be considered safe or healthy. Here’s the basic scoop on them both.

    Carrageenan is a thickening agent often used in foods like yogurt, dairy alternatives (like almond milk), and protein powders. It can’t be digested and has no nutritional value, so many believe it’s perfectly safe to use, but there is growing concern over whether that’s the truth or not. Evidence isn’t conclusive, but studies have indicated carrageenan may cause intestinal and digestive problems ranging from ulcerative colitis to colon cancer[ii].

    Sucralose is an even more controversial ingredient. Also known as Splenda, this artificial sweetener is zero calorie and quite popular. However, growing concern over the use and long-term health effects of artificial sweeteners causes many people to avoid it. Because of this, health food chain Whole Foods put sucralose on its list of banned ingredients[iii]. There need to be more long-term studies, but most of the concern about this ingredient centers around digestive health and blood sugar/insulin levels.

    Additionally, nothing about this shake is guaranteed to be allergy friendly. Whey and casein make Quest Protein Shakes an obvious “no” for those with lactose allergies. And while no soy or wheat ingredients are listed on the label, the company also makes no promises about their products being safe for people with allergies to these ingredients.

    Conclusion: With 8 flavor options (Chocolate, Cookies & Cream, Caramel, Banana, Vanilla, Peanut Butter, Strawberries & Cream, and Multi-Purpose) that taste great and an extremely attractive price point, Quest Protein Shake is a decently clean choice for the price point (many similarly priced shakes have far worse ingredient lists). However, this protein shake may seem better suited to body building than supporting a healthy lifestyle as a meal replacement. If it’s important to you to steer away from controversial and potentially harmful ingredients, this shake may not be for you.





    Top rated Brand Comparison
    Quest Protein Powder
    310 Shake
    Soy Protein Free
    No Artificial Sweeteners or Flavors
    High Fiber (5+g)
    High Protein (14+g)
    Sugar (g per serving)
    Carbs (g per serving)
    Sodium (mg per serving)
    Price per serving
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    These products are not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary.

    Healthy weight loss is approx. 1-2 pounds per week. Check with your physician before beginning a supplement program.

    "Sources for the Ingredient Glossary are Wikipedia, WebMD,,,,"
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