health

The Gold Standard for Improving VO2 Max: The Norwegian 4x4

Protocol

The Norwegian 4x4 protocol was created to improve cardiovascular fitness and VO2 max in a time-efficient manner.

The 4x4 is simple yet brutal: 4 rounds of 4-minute high-intensity intervals, with three minutes of active recovery between each. Every interval round is supposed to be perf

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The best natural supplement for calm and relaxation L-theanine is like that calming friend who helps you chill out without knocking you out.

Found in tea, it boosts serotonin and dopamine levels, promoting relaxation while keeping your mind sharp. More than a few studies show it can reduce anxiety and improve sleep quality, making it a go-to for str

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