worth noting that there’s evidence both ways… tumor cells may like it too:
- Loo et al. 2015 found color cancer cells can use it as fuel and blocking the creatine cut metastasis in mice [0]
- zhang et al 20921 found it promoting mouse colon and breast cancer models [1]
not an expert in any way, but i’m guessing it depends on cancer type and there doesn’t seem to be human data either way. as a cautious person w a lot of familial cancer, i cycled off after i looked into it.
This is such a crazy substance. I'm 43 and I feel like I have more energy than I have ever had before. I started taking it during recovery from a bad ankle fracture since it helps building muscle mass. Once the ankle was better I took up CrossFit, and kept on taking creatine because why not, it helps replenish ATP so I will be able to give the extra-push when working out, I thought.
What is blowing my mind though is that at $dayjob my team is going through a crazy crunch to deliver a very strategic project and some of us are pushing 10-12h days often. I'm in hour 12 today for the second day in a row, and my head is not tired at all. Turns out the brain also uses a lot of ATP too, specially during demanding cognitive tasks so I guess it is creatine that is keeping the engine running smoothly even after so many hours.
I will like once every week or two have a poor night sleep. These days I take twice the dose and I don't feel like I'm sleep deprived at all. Feels like cheating! And apparently no side effects at all so far. Well, maybe I'm working too much.
Mind that, while the "creatine high dose to fight drowsiness" hack works and has no side effects (other than upset stomachs), the lost sleep still does it thing. You don't notice day to day but it will catch up to you eventually in many bad ways.
Definitely! I would not recommend it to make up for lack of sleep for extended periods of time.
One of the things I'm trying to do better lately is to have a good sleep hygiene. Sun in the eyes early in the morning, no caffeine for the first 60 waking minutes of the day (adenosine absorption period), no screens 2 hours before bed and whatnot. Still, some nights I will just wake up in the middle of the night and won't be able to get back to sleep, then it's when I feel creatine helps
The overall fitness is going to definitely have a positive effect on the perceived energy levels (my Vo2 max is at its highest ever). On the other hand, I have been very fit at other times in my life but have never experienced this "my head can just go on" feeling before. I used to take conscious breaks, do NSDR between meetings and other energy-replenishing tricks because I __needed__ them. It feels like now I don't
Results: CrM supplementation without exercise training and diet intervention increased lean tissue mass, strength, and muscular endurance while promoting favorable changes in selected blood lipids, HbA1c, and selected markers of cognitive function and memory. Creatine supplementation during an exercise and weight-loss diet intervention increased lean tissue mass, promoted a greater reduction in body fat percentage, and improved muscular strength, endurance, and selected markers of cognitive function and memory. Supplementation was well-tolerated.
Conclusion: CrM supplementation with and without exercise and diet intervention may help middle-aged and older adults maintain muscle mass and strength while favourably affecting selected markers of health and cognitive function. Individual cognitive and biomarker findings should be interpreted as exploratory.
>I'm 43 and I feel like I have more energy than I have ever had before. I started taking it during recovery from a bad ankle fracture / Once the ankle was better I took up CrossFit, and kept on taking creatine because why not
And how do you know it's the creatine and not ...taking up CrossFit and the benefits to energy and cognitive function exercize brings?
Creatine is not available from plants and the 0.5 g is not insignficant for normal health. The 5 grams you're quoting is generally for people who supplement for athletic performance.
Creatine is created within the body so a vegetarian eating plant precursors can help create their own baseline supply.
A non-aggressive, curious question: can you give a citation for the "significant" health benefits of 0.5g creatine? That seems like quite a claim. (I'm reading "not insignificant" as "significant", perhaps a step too far?)
Note that there have also been brain benefits from creatine, but those have only been observed in ~20g/day studies (its not just athletic performance).
I'm not making a claim for a significant health benefit from 0.5g of creatine I'm just countering your bald claim that it's insignficant - we are getting into word lawyer territory. But anyway to establish what I'm claiming, 0.5g of creatine, I feel, is a useful amount - the numbers you are fixated on are for athletes or neurotropic nerds.
"Although the human body produces a portion of its daily creatine needs, approximately 50 % must be obtained through the diet – predominantly from animal-based foods like red meat and fish"
So in that context, a vegetarian can benefit from small amounts of supplementation if they aren't getting it in their diet.
Ah. I guess the term we're looking for is "physiologically meaningful"; I wasn't talking about "statistical significance". Something can be statistically significant but have a clinically worthless effect size.
FYI the standard null hypothesis is that differences are not significant until shown otherwise. E.g. no doctor will prescribe 50mg metformin to a prediabetic even if it might have an effect; it will be physiologically meaningless.
> the numbers you are fixated on are for athletes or neurotropic nerds
If you have other numbers/studies to back "0.5g of creatine, I feel, is a useful amount", then I'm willing to "fixate" on those numbers.
you are either doing it for moral reasons. in that case all these facts are irrelevant. or you can eat red meat for a month and see if you can tell the difference. if you can't there's your answer.
citations are bullshit for this context. Unless you are doing research.
Good grief. I say absolutely nothing about vegetarianism: you're the one who keeps bangin on about about it.
> you are either doing it for moral reasons
Or red meat isn't easily available or cheap in the place where you live? There are many reasons why red meat isn't in your digestive system that are outside "morals". Beef is literally at an all-time high in the US. https://www.macrotrends.net/3141/us-ground-beef-prices
Summary of this thread:
Me: 0.5 g of creatine is small
Other: No it isn't
Me: Citation please?
Other: no
Me: null hypothesis
You: Incorrect interpretation of null hypothesis
Me: Correction
You: "citations are bullshit"
There are many people who feel morally grey about eating meat yet still choose to do so. E.g. there are science-based discussions in plant-based-diet social media; relatively few plant-based diet discussions revolve around morality. Facts matter.
I agree that n=1 experiments are important and often _overrule_ any RCT for an _individual_. If that's your point, I _agree_. But you should say so instead of me trying to infer whatever it is you're arguing...? Is that even what you're saying?
The goalpost shifting is immense. All I wanted was a citation for 0.5g creatine being meaningful, and instead I get "facts are irrelevant", "citations are bullshit", and "morals".
(To be clear: I'm not saying that you're saying "facts are irrelevant"; I'm annoyed that you seem to think that _I'm_ arguing "facts are irrelevant". See this? This is me giving you grace. I would appreciate the same in kind.)
I’m 45 and work out a lot and feel this way without creatine. To the point that this makes me worry it would exacerbate my existing sleep issues (I literally never feel sleepy, I feel exactly the same 24 hours a day).
Creatine is one of the few if not the only supplements we actually know work. But with that said, my experience is that the bump is there but not world changing. Although it could be placebo, I don't think so because the first time I started taking it I noticed something but didn't make the connection because I noticed it playing basketball and not as much lifting. I could just sprint a lot easier. I recently started taking it again and again I noticed I can sprint easier and not be as spent. Of course you can improve by simply working out regularly, but IMHO the bump you get is obvious.
- Loo et al. 2015 found color cancer cells can use it as fuel and blocking the creatine cut metastasis in mice [0]
- zhang et al 20921 found it promoting mouse colon and breast cancer models [1]
not an expert in any way, but i’m guessing it depends on cancer type and there doesn’t seem to be human data either way. as a cautious person w a lot of familial cancer, i cycled off after i looked into it.
[0]: https://pubmed.ncbi.nlm.nih.gov/25601461/
[1]: https://doi.org/10.1016/j.cmet.2021.03.009