Muscle building unaffected by vegan or animal-based protein sources
- A study led by Askow and Burd examined muscle protein synthesis in 40 adults in 2025.
- Researchers aimed to determine if protein source affected muscle gain during resistance exercise.
- Participants followed either vegan or omnivorous diets for nine days, doing muscle-strengthening activities.
- Burd noted the prior belief was that animal protein was better for muscle-building, stating, "It's the kind you put in your mouth after exercise."
- The study concluded that vegan and omnivorous diets had similar muscle protein synthesis rates when protein intake was matched.
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Muscle building unaffected by vegan or animal-based protein sources
A new study asked three questions about muscle protein synthesis in response to a nine-day diet and weight training regimen: First, does the source of protein - plant or animal-based - make any difference to muscle gain? Second, does it matter if total daily protein intake is evenly distributed throughout the day? And third, does a moderate but sufficient daily protein intake influence any of these variables? The answer to all three questions is…


Omnivorous? Vegan? Makes no difference to muscle building after weight training, study finds
A new study asked three questions about muscle protein synthesis in response to a nine-day diet and weight training regimen: First, does the source of protein—plant or animal-based—make any difference to muscle gain? Second, does it matter if total daily protein intake is evenly distributed throughout the day? And third, does a moderate but sufficient daily protein intake influence any of these variables? The answer to all three questions is "no…
Plant or Meat? Either Fuels Muscle Growth Equally
A new study finds that when it comes to building muscle, the source of dietary protein—whether animal- or plant-based—makes no difference, as long as intake is sufficient. Researchers also discovered that evenly distributing protein across meals doesn't enhance muscle protein synthesis compared to skewed intake later in the day.
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