Oats and Mineral Absorption

Introduction to Oat-Related Mineral Deficiency

• The high phytate content in oats can affect calcium absorption to a minor degree, which is generally considered less significant than the effects on iron, according to The Lancet Planetary Health and Advances in Nutrition 1, 2

Strategies to Improve Mineral Absorption from Oats

• Adding vitamin C to meals containing oats can significantly enhance non-heme iron absorption, as recommended by health authorities to improve iron absorption 3
• Individuals following plant-based diets who rely heavily on oats are at a higher risk of mineral deficiency due to exclusive reliance on non-heme iron sources and higher overall phytate intake from multiple plant sources 1, 3

Special Considerations for Vulnerable Populations

• The impact of oat consumption on mineral status should be monitored in vulnerable populations, particularly in those following plant-forward diets, as suggested by The Lancet Planetary Health 1
• Individuals with low serum ferritin concentrations can absorb non-heme iron better than those with high ferritin levels, which may partially compensate for phytate inhibition 3