Big happy family eating nutritious food for dinner while discussing, “Do wounds heal faster in a caloric surplus?”

Do Wounds Heal Faster in a Caloric Surplus?

After any surgery or injury comes the recovery period, and that period can be full of questions. Maybe you’re lying in bed Googling “what is a wound healing diet?” or “do wounds heal faster in a caloric surplus?” After all, we all want to get back to normal as quickly and painlessly as possible. 

Today, we will attempt to answer some of those wound healing questions. 

It can be complicated to answer the question: “Do wounds heal faster in a caloric surplus?” The short answer is that during recovery, the nutritional demands your body makes, particularly for protein, go up - not down. 

Even though your movement may be limited in recovery, it’s actually recommended to consume more calories than you would have before surgery; as part of a balanced diet. If you’re looking to boost your body’s ability to repair itself, the best way may be through effective nutrition.

But what does good post-op nutrition look like? Does healing burn calories at all? If so, how many calories are burned healing from surgery?

Let’s take a look at how many calories your body burns while healing, and how many calories you should be eating to assist it. Then we will once and for all answer the question: “Do wounds heal faster in a caloric surplus?” 

Rest and recovery is hard work

Let’s paint a more complete picture of your own body’s role in healing so you can answer the question: “Do wounds heal faster in a caloric surplus?” 

To understand the rate of calories burned healing from surgery, it’s important to dispel a common myth about rest.

Rest is vital after surgery or injury. Your doctor or surgeon will no doubt have already made you aware of that. You do your body no favors by forcing yourself back to work before you’re fully recovered. 

Just because you’re comfortable in bed, that doesn’t mean your body isn’t doing anything. The truth is quite the opposite. Your body is hard at work prioritizing your recovery

Does healing burn calories? Absolutely.

Calories that were previously spent on movement are now calories burned healing from surgery or injury. On the outside you may look like you are resting, but on the inside your body is as hard at work as ever. And you know what they say; it’s what’s on the inside that counts!

Why does healing burn calories?

Just as a doctor stitches a wound back together, your body is slowly doing the same during its healing process. The difference, of course, is that your body’s stitches take place on a microscopic level. 

Instead of a handful of stitches, we’re talking about thousands of cellular connections. These connections bring together not just damaged skin, but muscle, ligaments, blood vessels, and even bone cells.

The cost of healing is just time and calories. The rate of calories burned healing from surgery or injury is higher than the rate of calories burned on a normal day. This is even when we take into account the new limited mobility.. 

With this in mind, the answer to the question: “Do wounds heal faster in a caloric surplus?” starts to become clearer. 

But to truly answer if wounds heal faster in a caloric surplus, you need to know what a caloric surplus is. 

Counting the calories

Now that you’re aware that the rate of calories burned healing from surgery is higher than a regular day, what changes should you be making to your post surgery diet? And, what is a caloric surplus, exactly?

A caloric surplus is when an individual deliberately ingests more calories than their body burns during a day. 

It’s not just exercise and movement that burns calories. Breathing, thinking, and even sleeping burn calories too! Even digesting calories burns calories (although not as many as it generates, of course). 

Energy is at the heart of everything your body does, which is why nutrition is so important.

How many calories constitute a caloric surplus?

Because every person’s body is different, your nutritional needs after surgery or injury will depend on a variety of factors. The two most important factors are weight and the seriousness of your injury. Age and biological gender can also play a role.

As a rough starting point, a recovering patient will require 15-20 calories per day for each pound they weigh. If you prefer to weigh yourself in grams that equates to 37-50 calories per day per kilogram.

This means a woman with average weight should be looking for 2500 calories per day from her diet while recovering. A man with average weight should aim for 3400 calories per day while recovering.

If you are unsure what a caloric surplus looks like for you, please ask your doctor or nutritionist how many calories you should be consuming for optimal wound healing. 

How does a caloric surplus compare to a regular calorie recommendation?

In day-to-day life, 2200 calories is generally considered a suitable caloric intake for the average woman. So, upgrading to a 2500 daily calorie intake is an increase of 14%. 

For the average man, the general caloric intake for weight maintenance is 2800 calories per day. Raising this to 3400 calories is a daily increase of 21%.

So now you know what a caloric surplus is, and understand how to calculate a caloric surplus for yourself based on your weight - but do wounds heal faster in a caloric surplus? Let’s look into the science behind an increased calorie count and wound healing. 

Do wounds heal faster in a caloric surplus?

If you take on more calories than you need for survival, your body has increased options on how to use them. Your body will use the nutrients you give it to keep it functioning normally first, and put the surplus to good use building muscle tissue when paired with exercise.

Athletes pay attention to caloric surpluses and will deliberately take on extra protein than their base needs if they’re looking to build muscle mass. 

A surplus of protein paired with effective exercise targets muscular areas for growth and reinforcement - increasing speed, strength, and resistance. 

These same principles can be applied to healing after a surgery of injury. It’s possible for wounds to heal faster in a caloric surplus if you are eating the right nutrition.

But you may be wondering - even if wounds do heal faster in a caloric surplus, will it make me gain weight? 

Will I gain weight after surgery?

It’s much more difficult than you might think to gain weight after surgery.

We constantly learn that exercise helps control our weight, so it’s easy to think that the pounds will mount up with each sedentary day of recovery.

Thankfully, this fear doesn’t match up to reality.

Recovery can have even higher caloric demands on your body than an intense workout schedule. The amount of hard work during post surgery recovery places significant nutritional demands on an individual. 

Having a caloric surplus is fueling your recovery process, it’s not contributing to weight gain. That means you can focus completely on how wounds heal faster in a caloric surplus, and forget the worries of weight gain. 

What happens if I diet post-op?

Nutrition during recovery is a two way street. If you reduce your calorie intake while recovering, the most likely outcome is that you will slow down your recovery time

Being malnourished during injury means your cells do not have the resources for collagen wound healing, and injuries will be slow to progress out of irritable inflammation stages

In extreme cases, the wound will not heal at all. 

So you know you’re aiming for a caloric surplus, but if wounds heal faster in a caloric surplus, does that mean you can eat anything you want!?

Before you plan a Post-Op Pizza Party…

A caloric surplus is a great starting point for your post-op diet, but not all calories are created equal. Eating excessive amounts of junk food, unhealthy fats, and refined carbohydrates might harm your recovery more than they help. 

Your wound healing diet should consist of a wide range of food groups. It’s also worth considering that just a plant-based diet and wound healing may not be a great mix. 

If you are vegan or vegetarian, consult with a nutritionist during recovery to ensure you’re getting adequate protein and nutrients to promote wound healing. 

For a better understanding of the nutrition and calories your body demands during healing, let’s look at what nutrients are best for wounds - and exactly how they help your body. 

The best foods and nutrients for wound healing

Do wounds heal faster in a caloric surplus? Yes, they absolutely can, but only if you’re eating a range of the nutrients and vitamins beneficial for wound healing, such as:


Helps with:

Found in:

Per day


healing, musculoskeletal and skin tissue repair and regrowth

fish, eggs, meat, cheese, soy products, nuts and legumes, protein (collagen) supplements

1.5g/kg body weight


energy for healing, prevention of protein/muscle breakdown

fruit & vegetables, legumes, bread, cereals, rice, pasta, grains

roughly 300g

Lipids (Fats)

absorption of fat-soluble vitamins, immune response, energy

oily foods (e.g., olive, canola, sunflower), nuts, seeds, avocado, salad dressings, margarine, butter



maintaining and building bones, muscle contraction

milk, cheese, yogurt, soy products, turnip and mustard greens, collards, kale, broccoli, almonds



forming hemoglobin and transporting oxygen

**best when eaten with vitamin C-rich foods

liver, lean red meat, poultry, fish, iron-fortified cereals, legumes, dark leafy greens, dried fruit

18mg men

15mg women


helps in wound healing, component of enzymes

meat, liver, eggs, oysters and other seafood


Vitamin A

helps in wound healing and growth, skin maintenance

carrots, leafy green vegetables, sweet potatoes, milk, cheese, liver, egg yolks

5000 IU

Vitamin D

helps in bone healing and calcium absorption

fortified milk and cereals, butter, margarine, liver, fatty fish, egg yolks

400-800 IU

Vitamin E

antioxidant/disease-fighting properties

(do NOT take supplements 7-10 days before surgery)

vegetable oils (e.g., corn or sunflower), beef liver, milk, eggs, butter, leafy green vegetables, fortified cereals

30 IU

Vitamin K

helps wound healing response and blood clotting

Leafy green vegetables, fatty fish, liver, vegetable oils

80µ men

65µ women

Vitamin C

building connective tissue, essential nutrient for healing, cofactor for collagen protein absorption

citrus fruits, strawberries, tomatoes, peppers, greens, raw cabbage, melon


While all of the foods and vitamins on this chart are beneficial for wound healing, the best thing to eat to help wounds heal faster in a caloric surplus is protein. 

Put protein first

When designing a wound healing diet, protein is the best place to start. Present in all of your cells, protein is the essential structural building block that your body relies upon.

An injury is a disruption to the protein structure of the body, and collagen protein is a leading material in the rebuilding effort your body is undertaking.

Our original question might have been: Do wounds heal faster during a caloric surplus? While the answer is usually yes, the REAL answer is - wounds heal faster in a protein surplus. 

In other words, wounds heal faster in a caloric surplus if you are getting adequate protein intake

But are some types of protein better for wound healing than others? 


Because your body needs collagen fibrils to stitch itself back together, the best bet to help wounds heal faster in a caloric surplus may be a high-quality collagen supplement. 

The best protein supplement to heal wounds faster

Of all the ways to add extra protein to your diet, a liquid protein supplement is the fastest and most convenient - and a collagen protein wound healing supplement is a priority.

ProT Gold collagen products are nano-hydrolyzed for easy digestion and designed to be absorbed completely in just 15 minutes. They are also certified medical-grade, and trusted for use in daily nutrition in thousands of medical facilities across the United States. 

Whether you’re preparing for surgery, or hoping to help wounds heal faster in a caloric surplus after an injury or operation, consider liquid collagen to get yourself back on your feet.