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Ever notice how your second (or third) cup of coffee has started to feel more like a necessity than a ritual? As a nutrition consultant, I hear this subtle shift described all the time—that sense of chasing energy rather than simply enjoying a morning routine. While stress and poor sleep often take the blame, low iron is one of the most common, easily overlooked contributors. Yes, even mild depletion can leave you feeling far more drained than your lifestyle alone would suggest! Which is exactly why paying attention to foods high in iron is one of the most supportive, sustainable ways to rebuild energy from the inside out.

Why Iron Matters More Than You Think

Iron is essential for producing hemoglobin, the protein in red blood cells that transports oxygen throughout the body. When iron levels dip, oxygen delivery suffers. And that’s when fatigue tends to move in. But what makes iron especially fascinating is how deeply it influences daily function. Adequate levels help support mental clarity, physical endurance, immune health, and hormonal balance. When stores run low, the effects are rarely subtle. If you know, you know: it’s a depletion that feels difficult to explain.

Why Women Are More Likely to Be Deficient

Did you know that iron deficiency disproportionately affects women? To no surprise, this is largely due to menstruation, pregnancy, and increased vulnerability to under-fueling. Heavy periods alone can significantly deplete iron stores over time. Add in restrictive eating patterns, very regimented plant-forward diets, or intense training schedules, and the gap can widen quickly. In practice, I often see women normalize symptoms that deserve a closer look. Their persistent fatigue, headaches, reduced exercise tolerance, or unusual cravings aren’t just a coincidence.

Signs Your Iron May Be Low

Iron deficiency often creeps in gradually. Fatigue tends to lead the conversation, followed by weakness, pale skin, headaches, shortness of breath, brittle nails, hair shedding, cold intolerance, dizziness, or restless legs. Because symptoms develop over time, many women adapt without recognizing the shift. If you suspect your iron is low, it’s time to schedule blood work! Chat with your healthcare provider about getting the following tested:

• Ferritin
• Hemoglobin
• Serum iron
• Transferrin saturation

These will help paint a complete picture.

Understanding Heme vs. Non-Heme Iron

With this information in hand, we can shift the focus toward nourishment—beginning with the types of iron found in food. For context, dietary iron appears in two forms:

1. Heme iron, found in animal foods, is more readily absorbed by the body. If you’re an omnivore, this is great news! Moderate portions can significantly support iron status.
2. Non-heme iron, found in plant foods, remains valuable but requires supportive conditions for optimal absorption. While you can absolutely meet your needs without meat, you need to be a bit more intentional with what’s on your plate.

Foods High in Iron

Rather than focus on a single category, it’s helpful to consider iron sources across a variety of foods. Variety is key.

Animal-Based Sources (Heme Iron)

• Beef
• Lamb
• Poultry (particularly dark meat)
• Shellfish (oysters, clams, mussels)
• Organ meats (especially liver)

Plant-Based Sources (Non-Heme Iron)

• Lentils
• Beans
• Tofu
• Spinach
• Quinoa
• Pumpkin seeds
• Dark chocolate

Fruits High in Iron

• Dried apricots
• Raisins
• Prunes
• Dates
• Figs
• Mulberries
• Blackberries
• Raspberries

While fruit isn’t the most concentrated source of iron, these options can meaningfully contribute— particularly dried varieties, where nutrients are more concentrated! Many also contain vitamin C, which helps enhance non-heme iron absorption.

How to Improve Iron Absorption

Speaking of vitamin C, let’s talk about absorption. Here’s where nuance matters. Consuming iron-rich foods is important, but absorption determines how much your body can actually use.

Pair Iron With Vitamin C

Vitamin C significantly increases non-heme iron absorption. A squeeze of lemon over leafy greens, berries alongside overnight oats, or sautéed bell peppers added to lentils can make a measurable difference.

Cook With Cast Iron

Cooking in cast iron, particularly with acidic ingredients (citrus, vinegar, tomatoes, etc.), can subtly increase the iron content of meals. It’s a small adjustment that works in your favor!

Be Mindful of Timing

Coffee, tea, and calcium-rich foods can inhibit iron absorption when consumed simultaneously. This doesn’t require elimination—simply spacing these items away from iron-rich meals can help.

The Bottom Line

Iron may not dominate wellness headlines, but its influence on how you feel each day is undeniable. When energy feels unreliable or fatigue becomes your baseline, small, intentional shifts can make a meaningful difference. As the seasons change, it’s time to prioritize deep nourishment—including meals with foods high in iron—to help you feel more vibrant this spring. Cheers to feeling more like yourself again.

This post was last updated on March 18, 2026, to include new insights.

The post The Sneaky Nutrient Deficiency That Might Explain Why You’re Always Tired appeared first on Camille Styles.

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