Antioxidants during radiation?

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Hi all - new here.

I had a lumpectomy in late February and am tentatively scheduled to start radiation next week.  I've seen a naturopath who recommended I take antioxidants during radiation, which is counter to what radiation oncologists recommend.  I'm almost certainly going to follow her recommendation but would be so much happier if my radiation oncologist agreed with her.  Has anyone here taken antioxidants during radiation?  Looking for some positive results and some support!

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  • Momine
    Momine Member Posts: 7,859
    edited March 2013

    The onc told you not to, because anti-oxidants will block the benefit of the rads. Once the rads are done, you can take anti-oxidants, but to take them during rads would be like taking a large spoon of sugar every time you took diabetes meds.

  • BrooksideVT
    BrooksideVT Member Posts: 2,211
    edited March 2013

    Here's how my RO explained it to me:  The radiation affects cells while they are dividing.  Normal cells repair themselves, but cancer cells repair themselves less well, making it possible for the series of treatments to kill off all those baddies.  Antioxidants support both good and bad cells and the theory is that they might allow any cancer cells still hanging around to survive the rads.  I just finished radiation last week, but, as the treatments keep affecting cells for a while, I plan to wait about a month before i go back to my vitamins.

  • Momine
    Momine Member Posts: 7,859
    edited March 2013

    Brookside, yes, that was what my RO said as well. She also said that they are mostly concerned about supplements, because those usually provide large to very large doses. They are not concerned about a good, nutritious diet. So, it is fine to eat fruit and veggies, but not fine to take, for example, 5000 units of vitamin C.

  • BrooksideVT
    BrooksideVT Member Posts: 2,211
    edited March 2013

    She (my RO) also said a regular one-a-day vitamin would be OK, but I'm not going there just now!

  • BrooksideVT
    BrooksideVT Member Posts: 2,211
    edited March 2013

    Please forgive the multiple postings, but here's my plan:  I finished rads last week, start arimidex next week.  I'll give the AI about two weeks to kick in, will then feel comfortable going back on a multivitamin, and, in another week or two, my heavy duty immune system builders.  Meanwhile, because cancer cells consider it yummy, I'm staying away from sugar and, for weight loss, also avoiding my beloved fatty foods.  I've also started getting half an hour of exercise most days.  I've lost a few pounds and hope to keep it going, as I've been told that regular exercise plus weight loss can reduce my chance of recurrence by half.

  • Momine
    Momine Member Posts: 7,859
    edited March 2013

    Brook, yes, there is a lot of stuff to suggest that keeping a low weight and getting exercise may help avert recurrence. Besides, it will definitely keep you in overall better health, so there is no real downside.

    I switched to a low-glycemic diet after dx and lost 20-25 lbs as a result. I make sure to get minimum 10 hours of exercise per week.

  • whonu
    whonu Member Posts: 8
    edited March 2013

    Are any of you also working with a naturopath?  It's my naturopath who recommended the antioxidants.  She worked at Cancer Centers of America for two years and cites studies that show the "bad cells" can't take in the benefit of the antioxidants but the good cells do.  In that way they strengthen good cells to withstand the radiation, without strenthening the bad cells.  I've done a little online research and have the two following articles to share:

    http://www.ncbi.nlm.nih.gov/pubmed/17283738

    http://www.prnewswire.com/news-releases/research-finds-antioxidant-therapies-do-not-interfere-with-radiation-treatment-56255127.html

    She likened what I would hear from my RO as having two parents who care very much for you but who want very different things for you.  She says ROs are typically good at radiation (a good thing!) but haven't done the research regarding antioxidants.  She didn't suggest that cancer "liked" sugar or that I should stay away from it.  We talked extensively about diet.  

    Are either of you working with a naturopath?

  • Momine
    Momine Member Posts: 7,859
    edited March 2013

    Whonu, thanks for posting the studies. Interesting. Wouldn't be the first time docs were stuck on outdated info. Sounds like your naturopath is a good one.

  • BrooksideVT
    BrooksideVT Member Posts: 2,211
    edited March 2013

    Have you ladies seen the neat article WallyCat posted on antioxidants on the Clinical Trials thread on the 23rd?  I think its title is something beginning with, "New Scientist Magazine."

    Since November, I've been reading, learning, researching everything  I can find about cancer.  There are certainly two schools of thought on the antioxidants.  I've been torn, because my first impulse was to build up my immune system with every vitamin and supplement in my very wholistic chiropractor's arsenal.  I've chosen to go, for now, with the theory that scares me more--that cancer cells, especially when bombarded by radiation, grow faster, multiply more effectively, and repair themselves more thoroughly, when they have more nutrients to gobble up.  The chiropractor agrees with me about holding back during radiation; I expect he (and probably I) will be looking more toward building immunity as time goes on and arimidex offers its protection.

    I was relieved that I had no skin issues with radiation (itching and redness, certainly, but no sores), and felt that my normal cells were handling the treatments pretty well all by themselves.  Adding nutrients that might "choose" to benefit any leftover cancer cells more than my normal cells did not appeal to me in the least! Yes, I also considered that I might be passing up an opportunity to protect my body against future attack, but decided to avoid the potential negative. 

    My RO, who has both MD and PhD degrees, acknowledges that the antioxidant issue during radiation is not by any means settled, and lets face it--we've always known that natural and scientific approaches often offer conflicting views.  We are so lucky to have access, through computers, to all the research on both sides.  Unluckily, the definitive answers medicine once offered (radical mastectomy, for instance), no longer exist.  It's all about options, weighing each and every plus and minus, and making very personal choices.  Not easy, is it?

  • whonu
    whonu Member Posts: 8
    edited March 2013

    Not easy at all!  Wouldn't it be nice if medical science were black and white and all these controversial issues were settled? I haven't seen the thread you refer to, but I'm going to go look.

    Cancer Centers of America have been using supplements with radiation for years....

    Here's an antioxidant question:  My radiation center and my RO encourage eating healthy, including lots of antioxidant rich foods.  Now I ask you, how does that make sense?  It's good to feed your cells with lots of antioxidants from food but bad to use supplements?  Antioxidants are antioxidants and whether taken via food or via supplement they feed the body.  If antioxidants are counter indicated with radiation, why do they encourage them?

    Of course, I'm doing more than supplements, healthy eating, rest and exercise all are a part of the plan in keeping me as healthy and symptom free through radiation.   

  • Momine
    Momine Member Posts: 7,859
    edited March 2013

    Whonu, actually I have seen several things in the last few years (didn't keep the links) which suggest that there is some difference between getting a given nutrient from a food and getting it from a pill. Nobody seems to quite know why, nor know if it is just some nutrients or if it is a general thing.

    I am not saying that this holds for anti-oxidants necessarily (I don't remember), but I thought it was intriguing, and there probably is a lot to be said for getting as many nutrients as possible through our regular diet.

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