Iron deficiency remains one of the most common nutritional problems worldwide, particularly among women of childbearing age. While iron supplements are often recommended, new research suggests that one vitamin C-rich tropical fruit may help the body absorb iron more efficiently. A review of 17 studies found that women and adolescent girls who regularly consumed guava juice experienced significant improvements in hemoglobin levels, especially when it was paired with iron.
Guava is naturally rich in vitamin C, a nutrient that helps convert plant-based iron into a form the body can absorb more easily. It also provides folate, polyphenols and other antioxidants that support healthy red blood cell production. Although most of the studies were conducted in Indonesia and many participants also received iron supplements, the findings reinforce the importance of combining iron-rich foods with vitamin C-rich foods to maximize absorption rather than relying on iron alone.
For Dr. Mercola readers, the takeaway is simple: food should be your first source of nutrition whenever possible. If you're concerned about healthy iron levels, focus on a nutrient-dense diet that includes quality sources of iron alongside fresh, vitamin C-rich fruits and vegetables. Supporting your body's natural ability to absorb nutrients may be just as important as the nutrients themselves, helping build healthy blood without relying solely on supplements.
SOURCE:
News Medical, May 29, 2026