Brown Mushrooms

Woolworths Brown Mushrooms

  • Whole food
  • Checked
  • Grade C
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The short answer

Brown Mushrooms by Woolworths has 22 kcal, 2 g carbs, 2.2 g protein and 0.2 g fat per serving (100g).

Calories22kcal
Carbs2g
Protein2.2g
Fat0.2g
About it

Woolworths Brown Mushrooms are a low-calorie, nutrient-rich food option, ideal for athletes seeking to enhance their diet with whole foods. With only 17.4 kcal per serving (100 g), they offer a minimal energy contribution but are rich in micronutrients and bioactive compounds, as highlighted in recent studies. These mushrooms are best consumed as part of a balanced meal, particularly in recovery or low-intensity training phases. They provide 2 g of carbs and 1.8 g of protein per serving, making them a light addition rather than a primary energy source. Their low sodium content (6 mg per serving) is beneficial for maintaining electrolyte balance without excess intake. While not a direct fuel source, their micronutrient profile supports overall health and recovery.

  • Low-calorie, nutrient-rich
  • Supports immune health
  • Versatile in meal prep

On the label per serving, 100g

Energy91 kJ
Calories22 kcal
Carbs2.0 g
Sugar2.0 g
Fibre1.4 g
Protein2.2 g
Fat0.2 g
Saturated fat0.1 g
Cholesterol0 mg
Sodium8 mg

The numbers that matter on a training day

Carb density2%Carbs as a share of the food's weight: how hard it is on the gut at pace.
Glucose to fructose—Glucose with fructose lifts how much carb the gut can take in an hour.
Sodium per 100 kcal37 mgSalt for the energy it carries; sweat loses 300 to 600 mg an hour.
Energy density0.9 kJ/gEnergy you carry per gram, when grams in the pocket matter.
Servings for 60 g an hour30How many an hour for a 60 g carb baseline.
Glycaemic profileLow glycemic impact due to minimal carbohydrate content. They are unlikely to cause significant blood sugar spikes, making them suitable for stable energy release.

How we read foods ›

For endurance who it suits

Endurance verdict

While Woolworths Brown Mushrooms are nutrient-rich, they do not provide the high energy or rapid carbohydrate delivery needed for endurance events. They are best used as a component of a balanced diet, particularly for recovery or low-intensity days. Their low calorie and carbohydrate content make them unsuitable as a primary fuel source during intense training or competition.

Who it is for

Brown Mushrooms are suitable for endurance athletes looking to incorporate low-calorie, nutrient-dense foods into their diet. They are particularly beneficial for athletes focusing on weight management or those in a recovery phase where high energy intake is not required. Their rich micronutrient profile supports overall health, making them a good choice for athletes who prioritize a varied diet.

Best sessions

Ideal for low-intensity training days or as part of a recovery meal. Not suitable as a primary fuel source for high-intensity or long-duration sessions due to low carbohydrate content.

Pros
  • Low in calories, ideal for weight management
  • Rich in micronutrients supporting overall health
  • Versatile in cooking and meal preparation
  • Minimal sodium content, reducing risk of excess intake
Cons
  • Low carbohydrate content, not suitable for fueling
  • Minimal protein content, inadequate for recovery alone
  • Not practical for during-exercise consumption
Watch out for
  • Potential for digestive discomfort if consumed in large quantities
  • Limited energy contribution, not for high-intensity needs

Fuelling science in short

During a session

No, not practical for during-workout use. Low carb content and solid form make them unsuitable for mid-exercise fueling.

Glycaemic profile

Low glycemic impact due to minimal carbohydrate content. They are unlikely to cause significant blood sugar spikes, making them suitable for stable energy release.

Electrolytes

Contains 6 mg sodium per serving, which is negligible compared to the 300-600 mg/hr sweat losses typical in endurance sports. Potassium and magnesium content are unspecified.

Carb breakdown
Total carbs
2 g
Hourly capacity
Not applicable due to low carb content

Race day before, during and after

Suits it for
  • BeforeDO NOT USE
  • DuringDO NOT USE
  • AfterUSE
  • Carb loadDO NOT USE
  • Every dayUSE

Brown Mushrooms are not suitable for pre-race or during-race consumption due to their low carbohydrate content and solid form, which can hinder gastric emptying. They are, however, a nutritious addition to recovery meals when paired with other macronutrients. For everyday training, they can be included as part of a balanced diet but should not be relied upon for energy needs.

NOT RECOMMENDED for pre-race use because of low carbohydrate content and solid form, which may slow gastric emptying and provide inadequate energy.

Pair it with
  • Pair with whole grains for a balanced meal
  • Combine with lean protein for recovery
  • Include in salads for added texture and nutrients

For practitioners the evidence

Evidence grade: B — Supported by nutritional data and general health studies, but lacks specific endurance performance studies.

In a carb load

Brown Mushrooms have a low carbohydrate density of 2 g per 100 g, categorizing them as low-density. A 100 g serving contributes only 2 g towards a daily carbohydrate target of 600 g for a 70 kg athlete. Given their low carb yield and high volume, they are impractical for carb loading. The athlete would need to consume an excessive volume, which is not feasible due to satiety and low energy density.

Digestion and absorption

Upon consumption, Brown Mushrooms undergo mechanical breakdown in the oral phase. Their low energy density and minimal carbohydrate content result in slow gastric emptying. The small intestine absorbs the limited carbohydrates via SGLT1 transporters. Proteins are broken down by brush-border peptidases. Due to low carb content, they have minimal impact on insulin response. Unabsorbed fibers may undergo fermentation in the colon, promoting gut health.

Recovery

Brown Mushrooms provide minimal carbohydrates (2 g per serving) and protein (1.8 g per serving), which are insufficient for optimal glycogen resynthesis and muscle protein synthesis post-exercise. They lack the necessary macronutrient profile to serve as a standalone recovery food. Pairing with higher carbohydrate and protein sources is essential to meet recovery targets.

Downsides

The low carbohydrate content limits their use as a primary energy source. High fiber content during exercise may cause GI distress. They pose minimal risk for dental erosion due to low sugar content. Not suitable for high-intensity exercise fueling due to low energy and carb density. Individuals with specific mushroom allergies should avoid them.

Don't use it when
  • Do not use for high-intensity exercise fueling due to low carbohydrate content.
  • Do not rely on them for recovery without additional protein and carbs.
  • Do not consume in large quantities if prone to GI distress from fiber.
Clinical risks
  • Low carbohydrate content limits energy provision during endurance events.
  • High fiber content may cause GI distress if consumed in large quantities.
  • Low sodium content may not meet electrolyte needs during heavy sweating.
  • Not suitable for individuals with specific mushroom allergies.

Questions about Brown Mushrooms

How many carbs are in Brown Mushrooms by Woolworths?

2 g of carbs per serving (100g), with 22 kcal and 2.2 g protein.

When should I consume Brown Mushrooms?

Consume them as part of a meal on low-intensity training days or in recovery meals. They are not suitable for pre-race or during-race fueling.

How should I prepare Brown Mushrooms?

Brown Mushrooms can be grilled, sautéed, or added to soups and stews. Cooking enhances their digestibility and nutrient absorption.

Are Brown Mushrooms suitable for gut training?

They can be included in meals for gut health due to their fiber content, but should not be relied upon for carbohydrate loading or intense exercise fueling.

What are alternatives for pre-race fueling?

Opt for foods with higher carbohydrate content and faster gastric emptying, such as energy gels or sports drinks.

Do Brown Mushrooms contain allergens?

No specific allergens are stated, but always check for cross-contamination if you have specific dietary restrictions.

How do they behave in hot weather?

They should be kept refrigerated to prevent spoilage. Their low energy content makes them unsuitable for hot-weather endurance events.

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