Iron plays a huge role in our bodies, helping us turn food into energy and stay healthy. When it comes to weight and obesity, iron’s role becomes even more critical. Here’s why it matters:
- Iron and Our Body’s Energy: Iron is essential in how our bodies create energy. Without enough iron, our metabolism—the system that converts food into energy—can slow down, making it harder to maintain a healthy weight.
- Iron Deficiency and Weight Gain: Not having enough iron is linked to an increased risk of obesity. This is because iron deficiency can make our metabolism less effective. Plus, obesity can make it harder for our bodies to use iron properly, creating a vicious cycle.
- Taking Iron Supplements: For some, taking iron supplements can help break this cycle. It can improve metabolism and even help with weight loss in some cases. But, it’s not a one-size-fits-all solution and should be considered carefully.
- How Iron Works in the Body: Iron helps with processes that generate heat and burn calories, playing a key role in how we use energy. Keeping iron levels balanced is key to a healthy metabolism and weight.
- The Latest Research: Scientists are still exploring how iron supplements might help with metabolism and weight management. While we know it’s important, the best ways to use iron for health and weight control are still being studied.
Where to Find Iron in Foods
Iron comes in two types in our diet: heme iron and non-heme iron.
- Heme Iron: This type is found in animal foods like meat, chicken, and fish. It’s easier for our bodies to use.
- Non-Heme Iron: This type is in plant-based foods, such as beans, lentils, spinach, and nuts. It’s also in some fortified foods like cereals.
How to Get the Most Out of Iron in Your Diet
Our bodies don’t always absorb all the iron we eat, but we can do a few things to help:
- Eat Vitamin C with Non-Heme Iron: Vitamin C can help your body absorb non-heme iron (the plant kind) better. Try having a fruit or vegetable high in vitamin C, like oranges or bell peppers, with your meal.
- Combine Iron Sources: Mixing heme and non-heme iron sources in a meal can boost absorption. For example, adding some chicken to a bean salad.
- Be Mindful of Iron Blockers: Some foods and drinks can make it harder for your body to take in iron, especially non-heme iron. These include tea, coffee, and foods high in calcium. It’s best to have these a few hours apart from iron-rich meals.
Making the Most of Iron for Health
By paying attention to iron in our diet, we can help our bodies stay energized, healthy, and better manage our weight. Remember, the right balance of iron is key, and if you’re considering supplements, it’s always best to talk with a healthcare provider first.
Final Thoughts: Iron is crucial for our health and can impact our weight and metabolism. Keeping a good balance of iron might help manage weight and improve overall health. Eating a balanced diet with iron-rich foods, like meats and vegetables, and consulting with healthcare professionals for personalized advice is a good strategy.

Spinach and Beef Quinoa Salad
Equipment
- 1 Saucepan with Lid Ensure the saucepan is large enough to hold the quinoa as it expands during cooking.
- 1 Grill Pan or Outdoor Grill If you don't have a grill pan or outdoor grill, a regular frying pan can work as an alternative, though you won't get the same grill marks.
- 2 Mixing Bowls The large bowl is for mixing the salad ingredients, and the small bowl is for whisking together the dressing. Choose a large enough mixing bowl to comfortably toss all the salad ingredients.
- 1 Cutting board For chopping vegetables and slicing the grilled beef. Using a sturdy cutting board will help ensure safe and efficient prep work
- 1 Chef’s Knife For chopping vegetables and herbs, and slicing the beef. A sharp knife makes prep work easier and more precise.
- 1 Measuring Cups and Spoons For accurately measuring ingredients such as quinoa, lemon juice, and olive oil. Precision is key for the correct balance of flavors in the dressing and the right quinoa to water ratio.
- 1 Citrus Juicer (Optional) For extracting juice from the lemon efficiently. While optional, a citrus juicer can make it easier to get all the juice out without seeds.
Ingredients
- 1 cup Quinoa (dry) Rinse quinoa under cold water before cooking to remove its natural coating, which can be bitter.
- 8 oz Lean Beef Steak hoose a cut like sirloin for a lean option that's still flavorful and tender.
- 2 cups Fresh Spinach Leaves (chopped) Roughly chop the spinach for easier mixing and eating. Wash and dry thoroughly before using
- 1 medium Red Bell Pepper Dice the bell pepper for a crunch and a boost of vitamin C, which aids iron absorption
- 1/2 cup Kidney Beans Use canned for convenience. Rinse and drain to reduce sodium content.
- 1/4 cup Fresh Parsley (chopped) Adds freshness and flavor. Wash and dry before chopping
- 2 tbsp Pumpkin Seeds Adds a crunchy texture and is a good source of minerals.
- 1 Lemon Use fresh lemon for the juice; it adds flavor and vitamin C.
- 2 tbsp Olive Oil Extra virgin olive oil is preferred for its flavor and health benefits.
- to taste Salt
- to taste Pepper
- as desired Optional: Orange Slices or Lemon Zest For garnishing and additional vitamin C.
Instructions
Cooking Quinoa
- Place quinoa in a fine mesh strainer and rinse under cold water to remove bitterness.
- In a saucepan, combine rinsed quinoa with 2 cups of water. Bring to a boil, then cover, reduce heat to low, and simmer for 15-20 minutes until water is absorbed.
- Remove the saucepan from heat and let the quinoa sit covered for 5 minutes. Then fluff with a fork.
Cooking Lean Steak
- Season the steak with salt and pepper. Grill on medium-high heat to your desired doneness, about 4-5 minutes per side for medium-rare
- Let the steak rest for 5 minutes after grilling, then slice thinly against the grain.
Combining Salad
- While beef rests, chop the spinach, dice the red bell pepper, and chop the parsley.
- In a small bowl, whisk together lemon juice, olive oil, salt, and pepper to create the dressing.
- In a large bowl, mix the cooled quinoa, chopped spinach, diced bell pepper, kidney beans, sliced beef, and parsley.
- Pour the dressing over the salad and toss to coat evenly.
- Sprinkle pumpkin seeds on top and add optional orange slices or lemon zest for extra vitamin C.
- The salad is now ready to be served either as a main dish or side
References
- Kim, S. L., Shin, S., & Yang, S. J. (2022). Iron Homeostasis and Energy Metabolism in Obesity. Clinical Nutrition Research, 11(4), 316-330. https://doi.org/10.7762/cnr.2022.11.4.316
- Zhou, Z., Zhang, H., Chen, K., & Liu, C. (2023). Iron status and obesity-related traits: A two-sample bidirectional Mendelian randomization study. Frontiers in Endocrinology, 14, Article 985338. https://doi.org/10.3389/fendo.2023.985338
- Hilton, C., Sabaratnam, R., Drakesmith, H., & Karpe, F. (2023). Iron, glucose and fat metabolism, and obesity: an intertwined relationship. International Journal of Obesity, 47, 554–563. https://doi.org/10.1038/s41366-023-01299-0
- Ikeda, Y., Funamoto, M., & Tsuchiya, K. (2022). The role of iron in obesity and diabetes. The Journal of Medical Investigation, 69, 1-7.