Study finds vegans don’t get enough of this essential thing in their diets
- A new study suggests that vegans may not consume enough essential amino acids, specifically lysine and leucine.
- Researchers at Massey University studied 193 long-term vegans in New Zealand using four-day food diaries.
- The study, published in PLOS One, revealed that while most vegans consumed sufficient protein, amino acid intake varied.
- Dr. Soh stated that about 75% of participants met protein needs; however, only half met requirements for lysine and leucine.
- The research indicates that vegans should focus on diverse plant foods like legumes to boost lysine and leucine intake.
42 Articles
42 Articles
Vegan diets have good levels of key amino acids, but there's a catch
It is harder for our bodies to absorb key nutrients from plant-based foods, so some vegans may be short on essential amino acids for healthy muscles and bones despite eating plenty of protein

Study finds vegans don’t get enough of this essential thing in their diets
Even people on a strict vegan diet who eat enough total protein may fall short of the required levels of this.
Even vegans who get enough total protein may fall short for some essential amino acids, findings suggest
In a new study of people with long-term vegan diets, most ate an adequate amount of total daily protein, but a significant proportion did not meet required levels of the amino acids lysine and leucine. Bi Xue Patricia Soh and colleagues at Massey University, New Zealand, present these findings in the open-access journal PLOS One.
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