Nutrition Snapshot
- About 27 grams of protein and 4 milligrams of iron in three tacos, most of it heme iron from lamb, the kind the body absorbs best.
- Lamb brings zinc and vitamin B12 along with the iron, and the cumin, turmeric, cinnamon, red onion, and mint bring the polyphenols.
- The trade-off: lamb is a fatty meat, and three tacos carry about 528 calories and a good share of saturated fat. The card shows the figures, and a runner’s day has room for them.
A pound of ground lamb is browned hard in a skillet with cumin, coriander, cinnamon, turmeric, and black pepper until the edges crisp. While it cooks, a cucumber and half a red onion are sliced thin and tossed with lime, mint, and a pinch of salt.
Corn tortillas warm in a dry pan. Each taco gets lamb, slaw, and a spoon of plain Greek yogurt. Four plates of three, twenty minutes from the start.
Why These Tacos Are Great for a Runner Who Is Low on Iron
Women who run long distances are short on iron more often than almost any other group of healthy adults. Studies of female distance runners find low ferritin in a third to a half of them. Low iron shows up as exactly what a tired runner reports: slower paces at the same effort, a heart rate that will not settle, workouts that feel like races.
Iron carries oxygen in blood and in muscle, and an endurance athlete needs more of both.
Heme Iron Absorbs Best
Iron in food comes in two forms. Heme iron, in meat, poultry, and fish, is absorbed at about 15 to 35 percent whatever else is on the plate. Non-heme iron, in beans, greens, and fortified grains, is absorbed at 2 to 20 percent and is blocked by the coffee, tea, and calcium that are often eaten with it.
Red meat carries the most heme iron per bite, and lamb is a red meat. Three of these tacos deliver about 4 milligrams, most of it heme, in a dinner that also carries about 27 grams of protein for the repair the run started.
When ferritin is low enough that food alone will not close the gap, the supplement question is covered at Iron: The Nutrient Behind Energy, Healthy Hair, And Strong Nails. What the meal after a hard run should hold is in The Recovery Meal: Protein Dose, Carbohydrate, and the Real Window.
Why Runners Lose Iron
Running drains iron in ways other sports do not. Each footstrike crushes a few red blood cells in the soles of the feet. Hard training raises a hormone called hepcidin for several hours afterward, and hepcidin shuts the gut’s iron absorption down, so iron eaten right after a run is largely wasted. Sweat carries a little iron out, and in women, menstruation carries out more.
Two habits help along with the food. Eat the iron-rich meal a few hours after the run rather than right after it, when hepcidin has settled, and keep coffee and tea an hour away from it.
The Spices Are Doing Work Too
The spice blend on the lamb is the same one used across the eastern Mediterranean. Each part of it carries compounds that lower inflammation in trials: curcumin in turmeric, cinnamaldehyde in cinnamon, and the volatile oils in cumin and coriander. A teaspoon each is a cooking amount, far below what a supplement trial uses, and a runner who eats this way most nights gets a steady supply.
The raw red onion and mint in the slaw add quercetin and rosmarinic acid, and the lime brings vitamin C, which helps the small non-heme share of the iron along.
Lamb Tacos on Corn Tortillas With Cucumber Slaw
Equipment
- Large skillet
- Second skillet or griddle for tortillas
- Sharp knife or mandoline
Ingredients
Lamb
- 1 pound ground lamb 85 percent lean or leaner
- 1 teaspoon ground cumin
- 1 teaspoon ground coriander
- 1/2 teaspoon ground cinnamon
- 1/2 teaspoon ground turmeric
- 1/2 teaspoon black pepper
- 1/4 teaspoon salt
Slaw and tacos
- 1 cucumber sliced very thin
- 1/2 red onion sliced very thin
- 2 tablespoons chopped fresh mint or 2 teaspoons dried
- juice of 1 lime
- a pinch of salt
- 12 corn tortillas
- 1/2 cup plain Greek yogurt
Instructions
- Toss the cucumber, red onion, mint, lime juice, and a pinch of salt in a bowl and set aside; it softens a little while the lamb cooks.
- Heat a large skillet over medium-high. Add the lamb and break it up. Cook without stirring much, so it browns, then stir in the cumin, coriander, cinnamon, turmeric, pepper, and salt. Cook until the edges are crisp and the pan is nearly dry, 8 to 10 minutes. Spoon off any pooled fat.
- Warm the tortillas in a dry skillet, 20 seconds a side, and stack them in a towel.
- Build 3 tacos a plate: lamb, slaw, and a spoon of yogurt on each.
Notes
Nutrition
Gluten Free
Lamb, cucumber, onion, mint, lime, yogurt, corn tortillas, and the spices are naturally free of gluten, and these tacos are gluten-free as written. For people with celiac disease, check the corn tortillas for a gluten-free label, since some are made on lines shared with flour tortillas. Check the ground spices for wheat flour used as a filler. People who avoid gluten by preference can use any brand.
Go deeper
- The Recovery Meal: Protein Dose, Carbohydrate, and the Real Window (food.nutriscape.net)
- Sports & Athletics (nutriscape.net)
- Iron: The Nutrient Behind Energy, Healthy Hair, And Strong Nails (supplement-sciences)

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