does whey protein go bad?

Discussion in 'Health and Fitness' started by techgamer, Jan 10, 2008.

  1. techgamer

    techgamer Senior member

    Joined:
    Sep 19, 2007
    Messages:
    572
    Likes Received:
    0
    Simply that, i know it has an expiration date, but does it actually go bad?
     
  2. jmcoreymv

    jmcoreymv Diamond Member

    Joined:
    Oct 9, 1999
    Messages:
    4,264
    Likes Received:
    0
    I have no actual proof or support...but my guess is no, its just powder.
     
  3. paulxcook

    paulxcook Diamond Member

    Joined:
    May 1, 2005
    Messages:
    4,278
    Likes Received:
    0
    Oh yes it can go bad. If I had a camera I'd take a pic of this stuff that's been sitting in my desk at work for over a year. It was white once, it's a lovely, smelly brown now.

    edit: check that, it's yellowish, bordering on brown.
     
  4. techgamer

    techgamer Senior member

    Joined:
    Sep 19, 2007
    Messages:
    572
    Likes Received:
    0
    lol so why is it still on your desk?
     
  5. paulxcook

    paulxcook Diamond Member

    Joined:
    May 1, 2005
    Messages:
    4,278
    Likes Received:
    0
    Apparently so if someone ever asked if protein could go bad, I could confidently say "yes".

    *shrug*

    I really should throw this away...
     
  6. jmcoreymv

    jmcoreymv Diamond Member

    Joined:
    Oct 9, 1999
    Messages:
    4,264
    Likes Received:
    0
    Well the whey protein I have is chocolate flavored, so it is already brown...thus it will never go bad.
     
  7. SVT Cobra

    SVT Cobra Lifer

    Joined:
    Mar 29, 2005
    Messages:
    13,266
    Likes Received:
    0
    It contains milk products. Milk goes bad, whey goes bad.
     
  8. paulxcook

    paulxcook Diamond Member

    Joined:
    May 1, 2005
    Messages:
    4,278
    Likes Received:
    0
    Well, yeah.
     
  9. Cyraxx

    Cyraxx Senior member

    Joined:
    Aug 15, 2007
    Messages:
    267
    Likes Received:
    0
    1. Goes brown / bad
    2. Put into chocolate powder container
    3. ????
    4. PROFIT!
     
  10. Red Dawn

    Red Dawn Elite Member

    Joined:
    Jun 4, 2001
    Messages:
    57,554
    Likes Received:
    0
    No no it's still good, go ahead and use it :evil: :laugh:
     
  11. SpaceHulk

    SpaceHulk Senior member

    Joined:
    Mar 26, 2002
    Messages:
    818
    Likes Received:
    0
    Getting serious here, it depens on you definition of bad. I happen to be a Product Development and Quality Control manger for a cheese company.

    Whey powder or whey protien concentrate can not spoil in the technical definition of food spoilage as defined by the wastage of food product due to bacterial contamination. Bacteria can't survicve at the low water activity that exists when whey protien is in powder form.

    It can however "go bad" as proteins breakdown due to oxidation and other chemical reactions. This chemical breakdown can result in off-flavors and colors, and can reduce the amount of usable soluble protien.

    When hydrated however, watch the F**K out! Whey protien concentrate hydrated and at room temperature, can support just about every disease causing bacteria known to man. So mix it and drink it, or refrigerate it, but don't let it sit for more than four hours at room temperature.

    I am a professional, but I am not a specialist in whey protiens, so take what I say with caution.
     
  12. Slufa111

    Slufa111 Senior member

    Joined:
    Oct 13, 2002
    Messages:
    813
    Likes Received:
    0
    we need a reputation button...


    That was very informative
     
  13. enwar3

    enwar3 Golden Member

    Joined:
    Jun 26, 2005
    Messages:
    1,086
    Likes Received:
    0
    Dang that really sucks. I had some whey drink from yesterday and it tasted SO horrible so I came on here to make a thread asking if hydrated whey goes bad. And apparently it does! Sucks =(

    Anyways, just thought I'd let you know people DO do searches before making new threads. Except you never see em, because they don't make em. Obviously.
     
  14. SociallyChallenged

    Joined:
    Mar 22, 2002
    Messages:
    10,487
    Likes Received:
    0
    Sometimes whey protein is just terrible tasting so you have to figure out if it's naturally bad tasting or if it's due to "souring."
     
  15. enwar3

    enwar3 Golden Member

    Joined:
    Jun 26, 2005
    Messages:
    1,086
    Likes Received:
    0
    It's definitely souring. It was the same powder I use normally, just a day old. It tasted SO BAD. It was pretty obvious it soured in some fashion or another.

    Normally, though, I leave my whey in a water bottle at room temp all day at work. Gonna have to stick it in the fridge now.
     
  16. spamsk8r

    spamsk8r Golden Member

    Joined:
    Jul 11, 2001
    Messages:
    1,787
    Likes Received:
    0
    Whey definitely gets funky. I have a tub of ON Vanilla Ice Cream whey that I've had for a while, and it tastes much worse (and is noticeably yellower) than it was when I bought it. I still drink it though :)
     
  17. Unmoosical

    Unmoosical Senior member

    Joined:
    Feb 27, 2006
    Messages:
    372
    Likes Received:
    0
    Yeah, it just changes it's flavor as time goes by. Yellowish brown you say? Sounds like banana and chocolate to me. Yum. :laugh:
     
  18. Maximilian

    Maximilian Lifer

    Joined:
    Feb 8, 2004
    Messages:
    12,579
    Likes Received:
    5
    Yes, it starts to smell funny and according to others here it also changes color. I just threw out a small bucket of vanilla that was a year out of date and smelled funky.
     
  19. CKent

    CKent Diamond Member

    Joined:
    Aug 17, 2005
    Messages:
    9,020
    Likes Received:
    0
    Yes. I had a half-tub of vanilla ice cream flavor ON whey dated for 7/06. Cleaned out a closet last winter and found it, it wasn't horrible or anything but it stunk like spoiled milk. I didn't taste it.
     
  20. coldmeat

    coldmeat Diamond Member

    Joined:
    Jul 10, 2007
    Messages:
    9,179
    Likes Received:
    0
    With the stuff I'm using now, it tastes so gross I wouldn't be able to tell if it went bad. Srawberry banana smoothie FTL.
     
  21. classy

    classy Lifer

    Joined:
    Oct 12, 1999
    Messages:
    15,218
    Likes Received:
    1
    It can go bad. Rancid like. If its within say a couple of months I would say its fine. But like 5-6 months I wouldn't consume it. Better to be safe than with a bad tummy ache. :)
     
  22. Bateluer

    Bateluer Lifer

    Joined:
    Jun 23, 2001
    Messages:
    27,733
    Likes Received:
    1
    Guess I should throw out that jug in my cupboard thats been there since 2005.