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Gluten Free Athletes paleo primal diet nutrition celiac sport athletics-min

Gluten Free Athletes

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I was very interested to read that the top Tennis Player Novak Djokovic has a gluten-free diet – and credits it with making significant improvements to his performance. Given that gluten intolerance can manifest as aches, fatigue, joint and muscle pain, it makes a lot of sense for athletes in particular to avoid gluten. Especially as it is not possible to have a gluten deficiency – why wouldn't you cut it out of your diet?

Gluten-Free Athletes – Paleo and Primal Diet Nutrition for Coeliac and Athletic Performance

It turns out several of the Olympians from the London 2012 Olympics did so on a Gluten-Free diet. Initially I assumed this was due to a Coeliac diagnosis, but it appears to be becoming common knowledge that ditching the gluten can improve performance and stamina. I wonder if at the 2016 Rio Olympics we'll see even more Athletes going Gluten free – and perhaps taking it one step further and adopting a Paleo Diet?

US Swimmer Dana Vollmer went gluten (and egg) free due to an intolerance, but apparently found it made a significant difference to her performance. She went on to win Gold (twice!) at the Olympics – I wonder how much of her win can be attributed to her diet?

Pole Vaulter Jenn Suhr went gluten-free just last year after being diagnosed with Celiac disease – and also won a gold medal…

Canadian Swimmer Nare Brannen went gluten-free on the advice of his coach last year – and has had minimal injuries, he believes, as a result.

Why Gluten-Free Eating May Give Athletes the Edge

The growing list of professional athletes who attribute their performance gains to cutting gluten is no coincidence. While elite sports require intense physical training and mental resilience, diet is increasingly being recognised as the third pillar of peak performance. For many, removing gluten — a protein found in wheat, barley, and rye — has become a strategic decision, not just a medical one.

For athletes without diagnosed coeliac disease, the benefits of going gluten-free can still be significant. Gluten can cause inflammation, digestive discomfort, foggy thinking, joint pain, and fatigue in sensitive individuals. For someone pushing their body to the limit daily, even a slight reduction in inflammation and energy dips can translate into faster recovery times and better results.

Understanding Gluten Sensitivity in Sport

It’s important to note that gluten intolerance exists on a spectrum. While coeliac disease is an autoimmune condition requiring strict avoidance of gluten, many people fall into the category of non-coeliac gluten sensitivity (NCGS). This group doesn’t test positive for coeliac disease, yet experiences symptoms such as bloating, brain fog, headaches, skin irritation, or joint discomfort after consuming gluten.

For athletes, these symptoms are more than minor annoyances — they can be performance saboteurs. A foggy brain during a race or inflamed joints during training can derail weeks of preparation. It’s not surprising that more athletes are trialling gluten elimination to see if it gives them an edge.

Beyond Gluten-Free: Why Paleo Might Be the Next Step

While gluten-free eating is a big step forward for many, it’s often just the beginning. The Paleo Diet goes several steps further by removing not just gluten-containing grains, but also legumes, refined sugar, dairy, and processed oils. This dietary pattern focuses on meat, fish, eggs, vegetables, fruits, nuts, and seeds — all nutrient-dense, anti-inflammatory foods that support recovery and energy production.

For athletes, this shift can mean improved digestion, better gut health, more consistent energy levels, and even enhanced mental clarity. Paleo is about more than just cutting out gluten — it’s about fuelling the body with food it recognises and can easily convert into fuel, repair, and strength.

What the Research Says

While clinical research is still catching up to anecdotal experience, some studies support the gluten-free approach for athletes. A study published in the *Journal of the International Society of Sports Nutrition* (2015) found that even in non-coeliac endurance athletes, going gluten-free for just seven days resulted in a reduction in gastrointestinal symptoms and perceived fatigue during performance.

Though larger-scale, long-term studies are still needed, the personal stories from elite athletes suggest the benefits are very real. And for any athlete serious about marginal gains, that’s enough to warrant a trial period of dietary change.

Signs Gluten Might Be Affecting Your Performance

If you're an active person wondering whether gluten is affecting your physical output, here are a few signs to consider:

  • Frequent fatigue or low energy despite adequate sleep and nutrition
  • Bloating or digestive upset that seems unrelated to food quantity or timing
  • Brain fog or difficulty concentrating during or after training
  • Recurring joint or muscle pain not linked to overtraining
  • Unexplained inflammation or slower recovery times

If any of these sound familiar, you might benefit from experimenting with a gluten-free or Paleo approach for a few weeks to observe any changes.

Fuel Sources on a Gluten-Free Paleo Diet

One of the concerns athletes often have is whether removing gluten will affect their ability to get enough carbohydrates for fuel. While it's true that many traditional carbs like pasta and bread are off the table, there are plenty of gluten-free, Paleo-friendly options that provide sustained energy:

  • Sweet potatoes and yams
  • Pumpkin and butternut squash
  • Bananas and dates for quick-release energy
  • Berries and seasonal fruit for antioxidants
  • Cauliflower rice and zucchini noodles as satisfying grain replacements

By pairing these with high-quality protein and healthy fats, athletes can achieve stable blood sugar levels and long-lasting energy — without the crashes that come with refined grains and sugary snacks.

Preparing for the Transition

Making the shift to a gluten-free or Paleo diet isn’t something to do in the middle of competition season. It takes planning, trial and error, and time for the body to adapt. Athletes considering the switch should aim to start during an off-season or training block where the stakes are lower, allowing for adjustment without performance pressure.

It’s also worth working with a qualified nutritionist who understands athletic performance and can help with meal planning to ensure macro and micronutrient needs are fully met.

Are We Moving Towards a Gluten-Free Athletic Future?

Given the growing list of high-profile athletes embracing gluten-free (and often Paleo-style) eating, it’s clear the tide is turning. What started as a necessity for those with diagnosed coeliac disease is now seen as a smart performance strategy. And as awareness spreads about the connection between food and physical function, it’s likely that even more athletes — from weekend warriors to Olympians — will experiment with dietary changes in the quest for marginal gains.

In elite sports, success is often won in the details. If removing gluten results in even a slight improvement in recovery, mental clarity, or injury prevention, that alone can be enough to make the difference between good and gold.

If you're an athlete, amateur or otherwise, I'd be very interested to hear what differences you noticed going gluten-free. Do you think there's going to be a big increase in gluten-free (or better still Paleo) athletes by the time of the 2016 Rio Olympics? I'd love to hear your comments, below!

Learning from olympic athletes paleo mindset nutrition diet-min

Learning from Olympic Athletes

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In the last three weeks I've been fortunate enough to meet and learn from two former Olympians. To become one of the best in the World – competing in the Olympics at a particular discipline, they clearly know a lot about what that takes. If I can learn just some of that and apply it to my own life, perhaps I can adapt their methods and enhance my own life? I also have a particular interest in their own nutritional beliefs and practices.

Learning from olympic athletes paleo mindset nutrition diet-min

Michael Stember

The first Olympian was American track & field athlete, Michael Stember, who taught a sprint class at PrimalCon last month. Being at PrimalCon he completely “gets” Paleo and everything that involves. I learnt a lot of practical running tips from him that I've been putting into practice – but what I found most enlightening was the psychology he applies to his sport. He made it really clear that just wanting to achieve a goal is not enough. To achieve a goal you have to dream about it and have the certainty that you are going to make it a reality.

Matt Welsh

Earlier this week I went to a talk by Australian Olympic swimmer Matt Welsh. He is an ambassador for a health fund, so I expected his message to be a blend of agendas. Matt started describing his own story and how he got into Swimming relatively late at the age of 18, but made the national team. I'm really interested in the mental aspect to training and achieving goals, which he spoke about at length.

Psychology

Matt started off on a smaller scale with his training – but he always kept in mind the big picture of the goal he wanted to achieve. This seems far more realistic than launching straight into a daunting regime – which is going to do anything but inspire. I was interested to hear how much importance he placed on being confident in races. He achieved this by “sabotaging” small local competitions (i.e. deliberately not wearing his swimming goggles), which meant that if something went wrong on the day of a big race, he’d already encountered that situation and knew how to deal with it. He removed the fear of the unknown by creating these different experiences.

I was also intrigued to hear the how much importance was placed on visualisation. The swimmers would visualise every detail of the race, as if they were actually in it. This process ensured that on race day they knew exactly what they were going to do, which ensured they stayed focused – at the optimum performance and arousal levels.

After the session (before I broke into my obligatory nutrition question), I asked Matt what he thought about when he was in the midst of a difficult training session. I've been asking this question of every athlete I meet, as I've found just changing my thoughts during a training session makes the difference between a dreadful session – and an exceptional session. Matt told me he used to let his mind wander and look at the tiles at the bottom of the pool – then one day he realised he was wasting his brain power. He switched his focus and would think about what his muscles were doing with each stroke – or when on the treadmill focus solely on a spot in the distance and not let his mind wander.

By-Product

It was interesting to hear Matt talk about how, when his focus was on swimming, he was fit and healthy. But being fit and healthy was a by-product of his swimming. He concentrated on training, technique, race strategy, nutrition, recovery and exercise to get to his swimming goals. When he retired from swimming all of a sudden good health and fitness were no longer automatic and for the first time in his life he had to make them his focus.

He stressed the importance of enjoying the exercise you do – and not just exercising because you feel you have to, rather because you enjoy the activity in its own right. Consistency is key.

Nutrition

I was very eager to hear what he had to say about nutrition; as you've probably gathered, this is my favourite topic. The nutrition discussion started well, as Matt stressed the importance of eating what you need, before eating what you want. If you focus on what you want you won’t have room for what you need. Sadly the nutrition section then turned into not only a teaching of conventional wisdom (food pyramids, cut out fat – you get the picture), but also a soapbox on the importance of carbohydrates (and he wasn't talking about sweet potatoes)!

Matt had mention that he’d just started reading “Sweet Poison” by David Gillespie, so I thought it was a safe bet he’d know something about Paleo. Or Primal, or an Ancestral diet – or even a Caveman diet! I wasn't sure what to ask to get onto the topic of nutrition, but I thought I’d ask what he thought about a Paleo diet, which is something that has been very beneficial to me, but seems very different to what he discussed. His answer made it apparent that he didn't know much about Paleo – but had always been taught the nutritional approach he’d spoken about and he knew there were lots of studies backing up that nutritional approach.

He’d mentioned in his talk that he doesn't think we need to know the ins and outs of nutrition (but that it’s great if you do learn). He said we all know what’s healthy and we just have to make the healthiest choice available at any given time. I found his response to my question really enlightening as I just assumed athletes would have an interest in researching nutrition and experimenting on themselves. After all, they know how essential nutrition is to their performance and recovery. Clearly this isn't the case and often the nutrition advice handed out is taken as gospel without being questioned or experimented with. Personally, I disagree. I think everybody needs to know at least the basics on nutrition. Given that we literally are what we eat – how can we not have an interesting in understanding what we eat and what our body does with it?

Do you think people need to understand a little about nutrition? Or is it enough that they follow advice that someone else has researched?