Once the preserve of bodybuilders and sprinters, creatine is now being touted as everything from a brain booster to a healthy-ageing essential. But should we all be taking it? Not quite.
“There’s really substantial evidence of creatine being effective,” says Bethan Crouse, a sports nutritionist at Loughborough University. “From a sport perspective, it’s probably one of the more well-researched supplements in terms of actually having a performance impact.”
Creatine helps your body produce energy more efficiently during short, sharp bursts of activity. It does this by supporting generation of adenosine triphosphate (ATP), the body’s “energy currency”. The result? Improvements in peak power and a greater ability to sustain repeated high-intensity efforts, such as sprint intervals.
More recently, attention has shifted beyond the gym. Early research suggests creatine could have a role in cognitive function, with some studies pointing to protection from cognitive decline.
“A few bigger studies have brought it into focus,” says Crouse. “With an ageing population, there’s interest in anything that might support brain health.”
But while promising, the research into creatine’s cognitive benefits is still developing, she says.
“I think saying ‘everybody should take creatine’ is a jump too far at this stage,” she says. “If you’re serious about your sport, or you’ve already got the basics of your nutrition nailed and you’re looking to improve performance, then it’s definitely worth considering. But for the general population, it’s not a necessity.”
That’s partly because there are more established (and cheaper) ways to support both physical and cognitive health. Oily fish such as salmon and mackerel are consistently linked to better brain health, as are plant sources such as flaxseed and chia seeds. For most people, creatine is an optional extra, not an essential.
The Guardian wp:paragraph
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