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The old axiom “you are what you eat” holds true. What we eat can play a huge role in the health of our bodies, including the brain, heart and skin. Certain foods can turn around tired-looking skin and even offer some natural protection from the sun.

“Skin health starts from the inside and is dependent on how well we nourish it through our dietary choices,” said Cindi Lockhart, a nutritionist and dietician.

Our skin takes a beating daily from environmental stressors, so it’s important to feed it what it needs. Here’s how to chew your way to a better complexion.

Eat the rainbow

Think of colorful veggies as an edible fountain of youth.

British researchers found that an increased intake of carotenoids, found in bright vegetables like sweet potatoes, tomatoes, leafy greens and bell peppers, over six weeks can have a beneficial impact on reducing reddening and other skin discoloration that impacts appearance. The beauty benefits were witnessed with just three servings a day of carotenoid-rich veggies and fruits.

“Carotenoids act as potent antioxidants, protecting our skin against environmental stressors including the sun’s UV rays,” Lockhart said.

Case in point: The antioxidant beta-carotene has been shown to offer some protection against sunburn (but you should still wear sunscreen).

Ditch the standard American diet

If you want to save face, go easy on fast food and other overly processed stuff. A 2020 study in the Journal of Investigative Dermatology discovered that a typical Western diet that is rich in fat and sugar may lead to inflammatory skin conditions such as psoriasis.

“The standard diet is very inflammatory and lacking in the phytonutrients, antioxidants and nutrients that protect our skin,” Lockhart said.

Go nuts for almonds

Here’s more proof to support a “beauty from the inside out” approach to skin health: An investigation from the University of California, Davis suggests that a daily almond habit might improve measures of wrinkle width and severity. Postmenopausal women who consumed about two ounces daily for four months showed a 10% reduction in wrinkle size.

Almonds, along with sunflower seeds and hazelnuts, are rich in antioxidants like vitamin E.

Join ‘Club Med’

The Mediterranean diet isn’t just good for your heart; it may prevent skin cancer.

A report in the American Journal of Clinical Nutrition discovered that women who adhered most closely to the Mediterranean diet over 15 years benefited from a lower risk of skin cancer, particularly melanoma and basal cell carcinomas.

This eating style, which emphasizes vegetables, fruits, olive oil and whole grains can provide a potpourri of nutrients, anti-inflammatory omega-3 fats and phytonutrients that may help shield you from skin cancer.

For instance, greater intakes of the Med-favorite tomato, which is rich in the potent antioxidant lycopene, have been shown to confer protection from UV-induced skin cancer tumors.

The great grape

If you like to regularly venture into the great outdoors, popping a few grapes could help you keep premature skin aging at bay via some sunburn-protective effects.

According to a study by scientists in Spain, the flavonoids found in grapes, especially darker varieties, can act as natural photoprotection by lessening UV-ray-activated reactive oxygen species from forming and causing skin cell death.

Don’t be fresh obsessed

Looks like there might be a gut-skin axis. Preliminary research suggests that exposure to higher amounts of the probiotic Lactobacillus rhamnosus can impact the expression of certain genes in the skin involved in adult acne.

Other science published in the journal Nutrition Research found that higher intakes of fermented foods may reduce the risk of developing eczema. (Of note, eating more meat and processed foods caused higher rates of eczema.)

“The gut and skin are innervated organs, and each affects the other, health-wise,” Lockhart said.

Research is still in its infancy, but Lockhart says you can try to combat pimples and red, itchy skin (and also keep your digestive health in tip-top shape) by eating more fermented foods like kimchi, kefir, miso and sauerkraut.

Go fish for salmon

Better known as a great source of heart-benefiting omega-3 fats, salmon also serves up an important compound to help stamp out photoaging.

Data presented in the journal PLOS One suggest that astaxanthin, an antioxidant pigment found in pinkish fish like salmon and arctic char, can accumulate in the skin, where it protects against the harmful effects of UV exposure including the skin water loss that contributes to wrinkles.

Joy for soy

One study found that increasing the amount of soy-derived isoflavones in the diets of postmenopausal women improved skin thickness and boosted concentrations of collagen and elastic fibers for a more youthful appearance. Find isoflavones in tofu, tempeh and edamame.

As a bonus, the amino acids in soy-based foods can supply our bodies with the essential building blocks to support collagen production, the protein responsible for helping promote skin firmness which tends to suffer as we age.

Reprinted with permission from Environmental Nutrition, a monthly publication of Belvoir Media Group, LLC, 1-800-829-5384, EnvironmentalNutrition.com.

© Belvoir Media Group. Distributed by Tribune Content Agency LLC.