Tag: Vegan nutrient deficiencies

Clinical literature shows that a poorly planned vegan diet can lead to deficiencies in essential nutrients like vitamin B12, iron, and zinc. This makes it critical to understand who should avoid a vegan diet and the circumstances under which it may not be suitable for optimal health.

While veganism is a growing trend, most estimates suggest that approximately 1% of the world's population currently identifies as vegan. This article answers the question 'What percentage of the world is vegan?' by exploring the statistics, trends, and key nutritional aspects of a plant-based diet.

According to a 2021 review published in ScienceDirect, individuals following a vegan diet are associated with low intakes of several key micronutrients, including vitamins B2, B12, and D, as well as iodine, zinc, and calcium. This highlights the importance of understanding **what are the nutritional issues with vegans** to ensure a well-planned and healthy plant-based diet.

While a well-planned vegan diet can offer numerous health benefits, excluding all animal products increases the risk for specific nutrient deficiencies. According to a 2024 review published in *MDPI*, the prevalence of vitamin B12 deficiency can be as high as 90% among vegans who do not supplement.