New research highlights the actual energy (kcal/kJ) absorbed from nuts was significantly less than what’s on the food label.
The energy content of all food globally is done using the Atwater System - a system founded more than 120 years ago by Wilbur Atwater.
But this system is flawed - it doesn’t take into consideration what happens inside our gut and how our body metabolises food.
Nuts and seeds have a tough fibrous exterior. We don’t fully break them down to extract the energy from them or absorb the fat. A portion remains ‘locked’ into their fibrous cell walls and excreted out.
In a new systematic review (presented at the Dietitians Australia conference but not yet published) from the research team at the University of Wollongong, 21 published studies on the topic were pulled together to summarise what we know so far.
They discovered that:
Which is an important reminder that calorie counting should be used as a tool rather than a strict mandate.
So don’t be afraid to start including a healthy 30g (1.06 ounce) serving of mixed nuts and seeds on a daily basis!
LINKS:
For more on why I don’t think you need to calorie count as a triathlete, listen to Episode 59 HERE
Read the 2012 study on almonds HERE
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