Hi all, im asking this because yesterday i went to donate blood for the first time and they asked me stuff about my medical history to make sure im ok to donate.

They asked me if i’m taking or took in the past some supplements and i said yes cause i take creatine monohydrate and protein powder. When the doctor heard this said that i absolutely shouldn’t because it damages my kidneys.

I was a bit shocked because, being someone that just doesn’t trust the internet blindfolded (even when the absolute majoriy of reputable sources are kinda unanimous on saying that creatine is safe to take), before starting with creatine i went to my doctor and asked if i were ok taking it and he said yes just dont exceed the suggested dosage.

so im asking because im no one to dispute a doctor’s claim, but i got two very differente responses from two doctors so i’d like a clearer view on which advice to follow.

thank you :)

    • chocrates@piefed.world
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      2 days ago

      Creatine helps the muscles store a little more energy which allows it to work harder for longer (minimally).

      It also makes you retain water.

    • tourist@lemmy.world
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      3 days ago

      I might be confused, but I thought creatine gives your muscles a minor"second wind" kinda thing so you can push yourself to do some extra reps? It’s not like a steroid kinda thing, I was told.

      • crunchy@lemmy.dbzer0.com
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        2 days ago

        Kinda, but the effect is almost imperceptible. It’ll help you get like one more rep on your last set, or maybe one more sprint, at sufficient intensity, which is a little bit of extra volume that does add up over time with proper consistency. So, not just “looking stronger.”

        The brain health effects that the influencers are talking about now are just hype, though.

      • hector@lemmy.today
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        3 days ago

        I’m only basing this on.anecdote, in school we had body kinetics and a group of us skinny guys the same weight were lifting and half took creatine and put on a lot of muscle real quick but were not any stronger than those of us that did not evenn after putting on 15 lbs more muscle or whatever.

      • hector@lemmy.today
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        2 days ago

        It means a group of us started lifting in school, same weight, skinny dudes, some took creatine, and put on a lot of muscle quick, but got no stronger, we lifted the same amounts, they weren’t better at our other gym activities either.

        • crunchy@lemmy.dbzer0.com
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          2 days ago

          Sounds like they were retaining more water rather than quickly putting on a lot of muscle, which is common with creatine usage. I explained what actually happens in another reply.