unintended consequences of supplements

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unintended consequences of supplements

just thought i'd get this forum party started that i was reading about.

 

just 2 to start w/

1) read a study about the use of antioxidants, and specifically in the context of post work out.  if i do some digging i may be able to find a citation for the article, but basically it submitted that the use of antioxidants inhibits a process by which free radicals initiate and increase the role of insulin in glucose uptake--the emphasis was based on these impacts as faced by II diabetics.  These effects, however, can carry significance for athletes.

 

2) I don't understand this one, hopefully somebody does---caffeine negates the effects of creatine...how many of us in preparation for a contest use both of these.  I cannot find the chemistry behind this or even practical application but some things to think about

       a)  caffeine tends to exert effects for about 5-10 hours, so could these be used on the same day if spaced properly?

       b)  when I say "negates the effects creatine" I'm not sure if one of the effects that is negated is in fact the muslce volumizing effect

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2. Do you have the links to the studies your referring to by any chance?

A lot of the debate between creatine and caffeine came about from a study that, strangely enough set out to prove the benefits of combining the two. Unfortunately the results didn't come back in their favor. However a study is only as good as it's design and they were not without their flaws as well as may not have been very relevant to typical gym performace. Also, another key point is that a lot of early studies administered creatine with tea/coffee (to help with digestion) and they still had results.

- Phil

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i unfortunately don't have a link to creatine articles--i have just seen this mentioned in several exercise physiology texts.  I did find quite a few studies that suggest that creatine does not hamper the effects of caffeine, however.