Testing fast food’s highest-protein options
Kai tried five high-protein fast-food items available in the UK, asking how they stack up for building muscle.
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Kai Shepherd
Kai Shepherd, known online as Kaisheps, mixes fitness advice, protein-fuelled food challenges and gym comedy, often with his dad along for the ride.
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Kai’s happenings, collected from public sources, plus his backstory and Starbook, where fans write.
Bulking on £3 a day
Kai published “Bulking on £3 A Day”, returning to the question of eating for muscle growth on a tight budget.
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A week of escalating sugar
In “I Tripled My Sugar Every Day For 7 Days”, Kai documented an escalating sugar challenge and described the energy crashes and brain fog he experienced.
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Trying a high-protein McDonald’s diet
Kai tested a McDonald’s diet built around protein, asking how difficult it would be to meet both protein and micronutrient goals.
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Taking on the Greggs menu
Kai attempted to eat the entire Greggs menu within 24 hours and documented the challenge in a YouTube video.
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