Foods That Speed Up Healing – Cleveland Clinic

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Food is the fuel that keeps your body running — and nutritional food is the fuel that keeps your body running well. What you eat impacts your energy levels, your immune system, your strength and even how quickly your wounds heal. 

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“Poor nutrition before or during the healing process can delay your healing,” says registered dietitian Kavitha Krishnan, RD. “While eating well can help the body heal faster and fight infection.”  

That’s right: Nutrition plays a huge role in how fast (and how well) you heal. Whether you’re dealing with a surgical incision or a wound from an accident, you can tailor your diet to help maximize your healing. 

Why nutrition matters for wound healing 

When you’re injured, your body needs extra energy and nutrients to meet your body’s increased needs and help the wound heal. That means that nutrition plays an important role in wound healing.  

One of the keys to wound healing is collagen, a protein in your body that provides structure and support to your skin, muscles, bones and connective tissues.

“Wound healing involves the body replacing the damaged tissue with new tissue, and this process requires an increased intake of calories, protein and particular nutrients,” Krishnan explains. “Wounds heal faster when we take in adequate amounts of the right foods.” 

When you’re healing, your body needs: 

  • Calories, to provide energy to keep your body functioning. 
  • Protein, to help build, maintain and repair body tissues.  
  • Vitamins and minerals, to help repair and rebuild damaged tissue.  

Without enough of all of these, your body may not have the resources to properly repair your wound, which can lead to a slower healing process or even complications. 

Foods that help you heal 

When you’re focused on healing, it’s important to eat a balanced diet that includes a variety of nutrient-rich foods to support wound healing. 

“Eat a well-balanced diet to help you get a sufficient amount of vitamins and minerals,” Krishnan advises. “Make sure you include whole grains, fruits and vegetables, and adequate protein at every meal.” 

She explains why each of these is so important and shares tips for nutrition for wound healing. 

Focus on protein 

Protein helps repair tissues, which is exactly what you need when you’re healing from an injury or a surgery.  

“Protein is important for the maintenance and repair of body tissue, and it’s vital for skin repair and immunity,” Krishnan notes. “Inadequate protein intake will impair collagen formation and slow down the wound healing process.” 

Krishnan offers these tips for getting enough protein while you’re recovering: 

  1. Protein first. Because protein is so critical to wound healing, try eating the protein portion of your meals first in case you become too full.  
  2. Get nutty. Add a handful of nuts to your cereal or salad for an extra protein boost. 
  3. Drink milk with meals or snacks. “If you’re drinking milk alternatives like almond or flax milk, make sure they have pea protein added, as many alternative milks are not high in protein,” Krishnan advises. 
  4. Keep smart snacks on hand. For easy protein access, turn to cottage cheese, peanut butter and crackers, Greek yogurt and nuts. 
  5. Try nutritional supplements. If your healthcare provider OKs them, look into protein powder or protein shakes. 

Your protein needs will depend on a variety of factors, including your age, weight and activity level. Eating too much protein can cause dehydration, kidney issues and weight gain, so ask your healthcare provider how much protein you should be getting while you heal.  

Choose whole grains 

For a higher protein content, choose whole grains over refined or white grains. Unlike refined grains, whole grains contain healthy vitamins, minerals and fiber, as well as carbohydrates, some protein and healthy unsaturated fats. 

Not sure exactly what counts as a whole grain? Here’s a helpful tip: When you’re grocery shopping, keep an eye out for the “Whole Grain” stamp from Whole Grains Council. It’s a sign that the product contains at least a half serving of whole grains. These foods are also listed on their website. 

Focus on the right vitamins and nutrients 

When you’re choosing what to eat, make sure you’re getting a variety of vitamins, minerals and nutrients, especially those that matter most for wound healing. “Nutrient deficiencies can have a negative impact on wound healing,” Krishnan warns.  

Vitamin C 

You may primarily think of vitamin C as an immune booster, but it also helps with collagen production. “Vitamin C deficiency has been found to delay the wound healing process and increase the risk of wound infections,” Krishnan says.  

Good sources of vitamin C include: 

  • Bell peppers. 
  • Broccoli. 
  • Citrus fruits. 
  • Kiwi. 
  • Spinach
  • Strawberries.
  • Tomatoes. 

Vitamin A 

Lesser known than vitamin C but no less important is vitamin A, which helps stimulate collagen. “Low levels of vitamin A result in delayed wound healing,” Krishnan says. 

Get your fill of vitamin A from: 

It’s always best to get vitamin A through your diet, not from supplements. Consuming too much vitamin A in supplement form can cause health issues like dry skin, blurred vision bone pain and more. 

Zinc  

Like vitamin C, zinc is another one that you may associate with coughs and colds. It’s important for proper immune function, which makes it key for wound healing, too.

“Zinc has a role in protein and collagen synthesis, as well as tissue growth and healing,” Krishnan explains. In fact, a 2018 study found that zinc is critical to every phase of the wound-healing process. 

The best way to get zinc is through animal products like: 

  • Red meat
  • Fish. 
  • Shellfish. 
  • Milk and other dairy products. 
  • Eggs. 
  • Poultry. 

Iron  

While you’re focused on healing, swap out pumping iron at the gym for a different kind of iron — the kind found in your kitchen.  

“Iron provides oxygen to the wound site and helps in healing,” Krishnan says. A 2014 study reported that having an iron deficiency can have a negative impact on how quickly and how well wounds heal.  

Good sources of iron include: 

  • Red meat. 
  • Fish. 
  • Eggs. 
  • Whole-grain bread. 
  • Dark, leafy vegetables. 
  • Dried fruit. 
  • Nuts. 

Krishnan shares a tip for eating plant-based, iron-rich foods: Add a source of vitamin C, which has been shown to improve the body’s ability to absorb iron. “For example, adding tomatoes to a vegetarian chili with legumes like beans and lentils may help improve absorption from the beans, as tomatoes are a rich source of vitamin C,” she suggests.

Additional nutrition tips for wound healing 

If you’re feeling overwhelmed by all this nutritional info, it’s OK — take a deep breath. These easy tips for making smart food choices will maximize the healing process.  

Be creative with your combos 

There are lots of simple ways to mix and match at mealtime, but Krishnan has one key tip to keep in mind during meal planning. 

“Pair your carbohydrates with a protein and healthy fat, rather than eating proteins alone,” she advises. “For example, when you’re having whole grain oatmeal with fruit, consider adding walnuts or almond butter.” 

Of course, make sure you don’t skimp on colorful fruits and leafy green veggies, which give you important vitamins and nutrients that your body needs — at all times, but especially when you’re healing. And although a big ol’ salad is great, there are other ways to get your fill, too: 

  • Add greens to your smoothies for an extra boost. 
  • Use fruit as toppings for cooked cereals, yogurt and ice cream.  
  • Choose fruit for dessert.

As for dairy, try adding milk to shakes, smoothies and cooked cereals, or top soups with shredded cheese or Greek yogurt. 

Get enough calories 

Healing takes work, and work takes energy — calories are the fuel for that energy. So, when you’re healing, you often need more calories than usual.

“We all need adequate calories and protein to fuel our bodies for everyday activities,” Krishnan says. “Calories provide energy to keep the body functioning and promote wound healing.”  

But they can’t be just any calories! It’s important to choose calorie-dense foods that still have nutritional value. For healthy snacking, turn to foods with healthy fats, like: 

  • Avocados. 
  • Cheese. 
  • Nuts. 
  • Nut butter, like peanut butter and almond butter. 
  • Dried fruits. 

“Calorie needs vary according to the size and degree of your wound,” Krishnan advises. Your healthcare provider can help you figure out whether you need to add more calories.

And if you having trouble eating or have a diminished appetite during your healing process, try eating smaller, more frequent meals throughout the day instead of having three large meals. 

Manage your blood sugar  

If you only think the term “blood sugar” is only related to diabetes, think again.  

“Optimal blood sugar control is important to ensure that your wound heals well,” Krishnan says. “Uncontrolled blood sugars can cause poor blood circulation, which impairs wound healing.” 

When you’re healing, make sure you know what can impact your blood sugar levels and what you can do to keep yours in a healthy range.  

Stay hydrated  

Don’t forget about fluids! Hydration helps your skin maintain its integrity, which is important for healing wounds. 

“Dehydration causes your skin to lose its elasticity and makes it more susceptible to breakdown and infection,” Krishnan warns. 

If you have trouble staying hydrated, try keeping fluids nearby so you can take frequent sips throughout the day (rather than, say, forcing yourself to chug glasses of water). 

Ask your healthcare provider for guidance 

The best way to get your nutrition is typically through foods, but when you’re on the mend after an illness, injury or surgery, your body may need a bit of extra assistance. If you can’t meet your nutritional needs through diet alone, ask your healthcare provider about a nutritional supplement to help provide the calories and nutrients you need. 

Your provider may recommend: 

  • A daily multivitamin: If they give you the go-ahead, add a daily vitamin with minerals to help improve your overall health. 
  • Oral nutrition supplements: Many varieties are available that provide extra calories, protein, vitamins and minerals in both flavored and unflavored options. “Try several to find one you enjoy as a base for shakes and smoothies,” Krishnan suggests. 
  • Working with a dietitian: If your appetite is poor, your wound isn’t healing well or you continue losing weight, ask about making an appointment with a registered dietitian, who can assess your nutritional needs and help you meet your health and healing goals. 
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