High-Performance Gut Health: Testing for Athletes and Energy

When you want to run faster, lift heavier weights, or simply have more energy for your busy day, you probably focus on your training plan and your protein shakes. However, the secret to reaching your physical peak might actually be hiding in your digestive system. Your gut is home to trillions of microbes that play an important role in energy metabolism, recovery, and overall physical performance. They help influence how your body uses fuel and responds after exercise.

A gut health test maps the specific bacteria in your digestive system that control your energy metabolism, helping you eat the right foods to boost your athletic performance and recover faster after exercise.

• How do gut bacteria support energy levels? Beneficial gut bacteria help break down food and produce compounds that support energy metabolism and overall gut health.

• Can testing my digestion make me a better runner? A gut test may provide useful information about your gut microbiome, which can play a role in digestion, recovery, and exercise performance. Some research has identified microbes such as Veillonella that can metabolise lactate produced during intense exercise, and this may be linked to endurance performance.

• Why do I still feel tired after eating healthy food? If your gut is out of balance, it may affect how well your body digests and uses nutrients from food, which can influence energy levels.

The gut microbiome affects athletic stamina by fermenting dietary fibres into short-chain fatty acids that provide a constant energy source for your muscles, while specific bacterial strains actively break down the lactic acid that usually makes you feel tired during workouts.

When you exercise, your body needs a constant supply of fuel. If your stomach is healthy, your good bacteria eat the fibre from your meals and turn it into super fuel. This super fuel travels straight to your muscles.

People with a highly diverse microbiome have a much better fuel supply. This means they do not get exhausted as quickly as people with poor digestion.If you want to perform at your best, it helps to make sure your gut microbiome is well supported.

Veillonella atypica is a unique bacterium being studied for its potential role in exercise performance because it can use lactate produced during hard exercise as its sole carbon source. This process of lactate metabolism may support physical endurance.

When you sprint or lift heavy weights, your muscles can burn and feel heavy during intense effort. This feeling is often linked to the build-up of metabolites, including lactate.

Scientists recently discovered something interesting about marathon runners. After a long race, these athletes were found to have higher levels of a specific bacterium called Veillonella atypica in their guts [1]. This bacterium feeds on lactate, which is why researchers are studying its possible link to endurance and performance.

Yes, healthy gut bacteria improve ATP production by producing compounds that influence cellular function, including processes linked to the mitochondria. This may help support the body’s overall energy metabolism during exercise.

To understand this, it helps to look at how cells work. Inside muscle cells are structures called mitochondria, which produce ATP, the main form of energy the body uses for movement.

Gut microbes may influence these energy-related processes through chemical signals and metabolites. When the gut microbiome is well balanced, it may help support efficient energy production, while disruptions in the microbiome may be linked to lower energy levels.

Poor nutrient absorption may affect athletic recovery because the body may not fully absorb all the protein, vitamins, and minerals needed to support muscle repair and recovery after exercise.

You can eat a very healthy diet, but if your body is not digesting and absorbing nutrients properly, recovery may still be affected.

After a hard training session, muscles need protein and other nutrients to repair and adapt. If digestion or absorption is impaired, recovery may be slower, and some people may feel more tired or sore for longer.

A comprehensive gut test helps athletes biohack their performance by highlighting microbiome patterns linked to energy metabolism, digestion, and recovery. This information can help experts create a more personalised food plan to support endurance and day-to-day recovery.

Many athletes no longer rely only on guesswork. They use data to better understand what their body may need.

By testing your microbiome, you can gain insight into broader patterns related to gut health and performance. Once you have your results, a Vivere nutritionist can help you build a targeted nutrition plan to support energy levels, digestion, and recovery throughout your fitness journey.

When you start feeding your good microbes with specific foods, you can often feel a noticeable difference in your physical energy and muscle recovery within four to six weeks.

It is usually best not to start any new supplement right before a big event. Some probiotics may help certain athletes, but new supplements can sometimes cause unwanted digestive symptoms.

A very high protein intake, especially when fibre intake is low, may affect the gut microbiome and contribute to bloating or digestive discomfort in some people. A balanced diet that includes enough fibre is important for gut health.

“In the world of fitness and biohacking, many people often focus heavily on macronutrients such as protein and carbohydrates. However, gut health may also play an important role in how the body digests food, uses energy, and recovers from exercise. If the gut microbiome is out of balance, this may affect digestion and overall performance.

By using an advanced stool test, we can look at broader microbiome patterns that may be relevant to digestion, recovery, and energy metabolism. This information can then be used to guide a more personalised nutrition plan that supports recovery, energy production, and overall athletic performance.”

[1] Scheiman, J., Luber, J.M., Chavkin, T.A. et al. Meta-omics analysis of elite athletes identifies a performance-enhancing microbe that functions via lactate metabolism. Nat Med 25, 1104–1109 (2019)