Most people don't associate healthy skin with the amount of protein they're eating.
Instead, they think about moisturizers, collagen supplements, or the latest skincare trend.
But during consultations, we've occasionally had clients ask why their skin suddenly looks duller, less firm, or slower to recover—even though they haven't changed their skincare routine.
Sometimes, one of the first questions we ask is whether anything has changed with their diet.
While many factors influence healthy skin, getting enough protein is one of the simplest and most overlooked.
Why Does Protein Matter?
Your skin is constantly renewing itself.
Every day, your body repairs damage, replaces old skin cells, and produces proteins like collagen and keratin that help keep skin strong and resilient.
Protein provides the amino acids your body uses to carry out those repairs.
Without enough protein, your body still functions—but it may have fewer resources available to support healthy skin.
We've Been Seeing This More Often
Over the past few years, we've spoken with more clients who have lost significant amounts of weight.
Some have changed their diet.
Others are using GLP-1 medications such as Ozempic® or Wegovy®. Read "do you have Ozempic skin?"
While these medications can have tremendous health benefits, rapid weight loss sometimes means people eat considerably less than they did before—including less protein.
When that happens, some people notice changes in their skin alongside the changes on the scale.
Protein isn't the only reason skin changes after weight loss, but it's one important piece of the puzzle.
Could Your Skin Be Telling You Something?
Every person is different, but inadequate protein intake may contribute to skin that appears:
- Less firm
- Drier than usual
- Slower to heal
- More fragile
- Less resilient over time
These changes don't happen overnight, and they're rarely caused by a single factor. Age, sun exposure, hormones, genetics, and overall health all play important roles as well.
How Much Protein Do You Need?
Protein needs vary from person to person.
A common recommendation for healthy adults is around 0.8 grams of protein per kilogram of body weight, although some people—particularly older adults or those who are physically active—may benefit from higher amounts.
If you've recently changed your diet or are intentionally losing weight, it's worth discussing your nutritional needs with your physician or a registered dietitian.
Good Sources of Protein
Whether you eat animal products or follow a plant-based diet, there are plenty of excellent options.
Some of our favourites include:
- Eggs
- Fish
- Chicken and turkey
- Greek yogurt
- Cottage cheese
- Lentils
- Chickpeas
- Tofu
- Tempeh
- Quinoa
The goal isn't perfection.
It's making sure your body consistently has the nutrients it needs to support healthy tissue—including your skin.
What About Collagen Supplements?
This is another question we hear regularly during consultations.
Some clients tell us they noticed their skin looked healthier after they started taking a daily collagen drink or collagen powder.
While research into collagen supplements continues to evolve, it's worth remembering that collagen products also contribute protein to your diet.
For someone who wasn't eating enough protein to begin with, simply increasing their overall protein intake may help support healthier skin. In other words, some of the improvement people notice may be related to meeting their body's protein needs—not necessarily because collagen is somehow travelling directly to the skin.
Whether you choose a collagen supplement or another source of dietary protein, the important thing is making sure your body has the amino acids it needs to continually repair and maintain healthy tissues—including your skin.
Healthy Skin Starts From the Inside
Professional treatments can improve many visible signs of aging, pigmentation, and skin laxity.
But healthy skin isn't created by treatments alone.
Daily sun protection, a balanced diet, regular hydration, good skincare, and adequate protein all work together to support healthier-looking skin.
Every Person Is Different
Not everyone with dull or aging skin has a protein deficiency, and increasing protein alone won't solve every skin concern.
That's why we always begin with a consultation.
We'll assess your skin, discuss your concerns, and recommend a treatment plan that's appropriate for your goals—whether that's professional skincare, IPL photorejuvenation, GlowLift™, microneedling, or simply helping you understand the factors that may be influencing your skin.
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