Do you really need a calcium supplement—and if so, which type is best?
In this episode, Debi Robinson welcomes Adrienne Bitar, food studies scholar and co-founder of Seen Nutrition, to discuss one of the most misunderstood topics in bone health: calcium supplementation.
Together they explore the differences between food-based calcium and conventional calcium supplements, the importance of bioavailability, common misconceptions about fortified foods, and why calcium should always be considered within the larger context of whole-body bone health.
What You'll Learn
Why calcium is essential for healthy bones
The difference between dietary calcium and supplemental calcium
What "bioavailability" means
Why the food matrix matters
Calcium carbonate vs. food-based calcium
Common digestive issues associated with some calcium supplements
How fortified foods differ from naturally calcium-rich foods
Why blood calcium doesn't accurately reflect bone calcium
The importance of getting calcium from food whenever possible
Why calcium is only one piece of lifelong bone health
Action Steps
Review how much calcium you're already getting from food.
Consider bioavailability when evaluating calcium products.
Support digestion to improve nutrient absorption.
Remember that strong bones require more than calcium alone.
Debi's Takeaway
Calcium matters—but how your body absorbs and uses it matters even more. Supporting your bones starts with whole foods, healthy digestion, and daily lifestyle habits that allow nutrients to do their job.
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