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Vegan Nutrition Concerns

This series addresses head-on the common nutrient-specific concerns when transitioning to a vegan diet—including specific concerns for children—and touches upon the health impact of animal products.

Featuring Dr. Michael Greger of nutritionfacts.org, the Vegan Nutrition Concerns series covers protein, b12, omega 3 fatty acids, iron, calcium, vitamin D, zinc, iodine, and even carnitine, creatine, and carnosine.

So if you’ve ever wondered “where do you get your protein on a vegan diet?”—or b12, iron and more—this series has the answers!


  • Dr. Greger of NutritionFacts.org is seen as an inset photograph on the left. In the center is a close-up of a person holding a bowl full of various vegetables. On the right is an image of Emily Moran Barwick of Bite Size Vegan she is pointing towards the vegetables.

    How to Get Protein on a Plant-Based Vegan Diet | Dr. Michael Greger of Nutritionfacts.org

    Concerned about getting enough protein on a vegan plant-based diet? Where do you get it? How much is enough? In this interview, Dr. Michael Greger addresses common questions about plant-based protein (and busts a few myths along the way!)

    Read more about How to Get Protein on a Plant-Based Vegan Diet | Dr. Michael Greger of Nutritionfacts.org
  • Dr. Greger of NutritionFacts.org is seen as an inset photograph on the left. In the center is a bottle of cod liver pills and some cod liver oil tablets. On the right is an image of Emily Moran Barwick of Bite Size Vegan wearing a doctors coat, complete with stethoscope entering data into a tablet computer.

    How to Get Omega-3 on a Plant-Based Vegan Diet | Dr. Michael Greger of Nutritionfacts.org

    Worried about getting enough Omega-3s on vegan diet? In this interview, Dr. Michael Greger guides you through the basics of Omega-3 fatty acids, provides plant-based sources, and busts long-standing myths about fish oil.

    Read more about How to Get Omega-3 on a Plant-Based Vegan Diet | Dr. Michael Greger of Nutritionfacts.org
  • Dr. Greger of NutritionFacts.org is seen as an inset photograph on the left. In the center is an image of a vibrant lettuce. On the right is an image of Emily Moran Barwick of Bite Size Vegan holding a glass of milk.

    How to Get Calcium on a Plant-Based Vegan Diet | Dr. Michael Greger of Nutritionfacts.org

    Wonder how to get enough calcium in a dairy-free vegan diet? Does milk really keep our bones strong? In this interview, Dr. Michael Greger explains the health benefits of plant-based calcium sources while exposing the health dangers of dairy.

    Read more about How to Get Calcium on a Plant-Based Vegan Diet | Dr. Michael Greger of Nutritionfacts.org
  • Dr. Greger of NutritionFacts.org is seen as an inset photograph on the left. On the right, Emily Moran Barwick of Bite Size Vegan is seen carrying out an arm curl with a large iron dumbbell.

    How to Get Iron on a Plant-Based Vegan Diet | Dr. Michael Greger of NutritionFacts.org

    Dietary iron is strongly associated with meat consumption. But is iron deficiency really an issue on a plant-based diet? Are vegans more prone to anemia? In this interview, Dr. Michael Greger reveals the advantages of plant-based iron over animal-derived iron.

    Read more about How to Get Iron on a Plant-Based Vegan Diet | Dr. Michael Greger of NutritionFacts.org
  • Dr. Greger of NutritionFacts.org is seen as an inset photograph on the left. Next to this image Emily Moran Barwick of Bite Size Vegan can be seen in a bikini top with dark sunglasses on. On the right is a cartoon sun with a letter D displayed in its center.

    How to Get Vitamin D on a Plant-Based Vegan Diet | Dr. Michael Greger of Nutritionfacts.org

    For most people, sun exposure alone is not enough to maintain healthy levels of Vitamin D. With many dietary sources being animal-based, how do you get enough vitamin D on a vegan diet? In this interview, Dr. Michael Greger explains how to ensure adequate vitamin D levels.

    Read more about How to Get Vitamin D on a Plant-Based Vegan Diet | Dr. Michael Greger of Nutritionfacts.org
  • Emily Moran Barwick of Bite Size Vegan is shown filling in a Bingo card. Next to her is an image of a number of colorful bingo balls, one of which is labeled B12. Dr. Greger of NutritionFacts.org is seen as an inset photograph on the right.

    How to Get Vitamin B12 on a Plant-Based Vegan Diet | Dr. Michael Greger of Nutritionfacts.org

    Vitamin B12 is one of the most common worries for people considering a plant-based vegan diet. But this nutrient is a concern no matter what you eat! Dr. Michael Greger tells us where B12 comes from, how to get enough, and shares his supplementation recommendations.

    Read more about How to Get Vitamin B12 on a Plant-Based Vegan Diet | Dr. Michael Greger of Nutritionfacts.org
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