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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

    Protein can be a great concern when going vegan. Where do you get it? How much is enough? With the help of Dr. Michael Greger, we’ll address this common nutritional concern for a plant-based vegan diet.

    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 Your Omega-3 On A Vegan Diet | Dr. Michael Greger of Nutritionfacts.org

    We’ve all heard how important Omega-3 fatty acids are for our health, a concern that is usually answered with fish oil supplements. So, what is a vegan or would-be vegan to do?

    Read more about How to Get Your Omega-3 On A 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.

    Got Calcium? Dairy-Free Vegan Calcium Sources | Dr Michael Greger of Nutritionfacts.org

    Calcium is strongly associated with dairy so what’s a vegan to do? Does dairy really have bone-protecting properties? In this interview with Dr. Michael Greger of Nutritionfacts.org, we look into vegan calcium sources and the truth behind all the dairy hype.

    Read more about Got Calcium? Dairy-Free Vegan Calcium Sources | 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.

    Getting Iron In A Vegan Diet

    Vegans are often depicted as pale, weak and anemic due to the lack of meat in our diet. But is iron deficiency really an issue on a plant-based diet? With the help of Dr. Michael Greger, we learn about the difference between heme and non-heme iron.

    Read more about Getting Iron In A Vegan Diet
  • 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.

    Is A Vegan Diet Vitamin D Deficient? | Dr. Michael Greger of Nutritionfacts.org

    With estimates of around 70% of the population being deficient in vitamin D, we’re apparently not getting the sun exposure and/or dietary intake we need. With the help of Dr. Greger, we learn more about how to ensure adequate vitamin D levels.

    Read more about Is A Vegan Diet Vitamin D Deficient? | 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.

    B12 On A Vegan Diet | Dr. Michael Greger of Nutritionfacts.org

    Vitamin B12 is one of the greatest concerns people seem to have when considering a vegan diet. With the help of Dr. Michael Greger, we learn about where B12 comes from and how to get adequate levels as a vegan.

    Read more about B12 On A Vegan Diet | Dr. Michael Greger of Nutritionfacts.org
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