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Cytosport 100% Whey Protein 6lb Chocolate or Vanilla for $42.99 Costco

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I noticed today that the Cytosport 100% Whey I buy for 48.99 is instant rebate for $6 less.

Through 5/26/13

CytoSport makers of Muscle Milk 100% Whey Protein 27g 6lb bag Vanilla Concentrated and Isolated whey protein Ingredients: Whey Protein concentrate, whey protein isolate, natural and artificial flavor, salt, acesulfame potassium, Guar Gum, Sucralose, Soy Lecithin. Directions: Mix 1 rounded scoop into 6-8 fl-oz of cold water.

I really like the chocolate and have been using it for a few months. Mixes very well with water and I take nightly as well with skim milk and it makes a fantastic milkshake.

The same bag on Amazon is $67

Here are some reviews-


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I recently purchased a bag of the Vanilla a month or two ago. Tends to clump up a bit, but otherwise not bad.
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Do they tax whey?
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Quote from Demonstrable View Post :
Do they tax whey?
Whey Not? Cool Unless you are in a tax friendly state.
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How long will this last me if I use it to feed my cats (I have 3)?
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Has anyone checked the Houston stores?
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Guys I dont mean to TC. I have used this protein and I love the taste. But for 6 pounds it has the same number of servings as 5lbs ON or other whey isolates. Seems like a lot of filler. So just a heads up

Also my local costco had 4 lb muscle milk for $29 (Normally $33 I believe). So if there are muscle milk fans you can check that out too
Last edited by kailash May 3, 2013 at 01:29 PM
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Just saw this at costco and grabbed a bag

Also the zone bars had $4 discount
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Good price. so happy that i found this.. Yum yum
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