Vitamin D is one of the most powerful nutrients for supporting the immune system @ClevelandClinic 🌞

Who doesn’t want a healthy immune system? (Raise your hand. No one?) But did you know the role your diet plays in keeping it in top shape to protect you from toxins and infections?
Sadly, too many of us don’t eat enough of the fresh fruits, vegetables and other foods we need to keep ourselves healthy year-round. Healthy foods provide many substances including vitamins and minerals to keep us strong and healthy. You can’t just eat an orange or grapefruit or pop a vitamin pill and expect one quick burst of vitamin C to prevent a cold and to boost your immune system.
“A truly healthy immune system depends on a balanced healthy diet over time,” says registered dietitian Maxine Smith. “It’s like training for a battle and preparing your body ahead of time so it can through a good punch when attacked by viruses, bacteria and toxins. Other lifestyle practices such as regular exercise and good sleep will better prepare you for the battle.”
With some exceptions, it’s best to get your vitamins and minerals from your food rather than in pill form. Smith shares some tips for some of the top vitamins and minerals your immune system needs to perform:

1. Vitamin C
Vitamin C may help prevent infections or shorten their stay. Citrus fruits are a standout, but did you know there are other good sources? It’s true! Smith recommends the following:
Spinach.
Kale.
Bell peppers.
Brussels sprouts.
Strawberries.
Papaya.
Fun fact: vitamin C is in so many foods that most people may not need to take supplements unless a doctor advises it. Consult with your doctor before taking any vitamin C supplements

2. Vitamin E
Like vitamin C, vitamin E can be a powerful antioxidant that helps your body fight off infection. This important vitamin — part of nearly 200 biochemical reactions in your body — is critical in how your immune system functions. To get your vitamin E, think high-fat plant foods such as:
Almonds.
Peanuts/peanut butter.
Sunflower seeds.
Oils such as sunflower, safflower, and soybean oil.
Hazelnuts.

3. Vitamin A#

Vitamin A is an infection-fighter and comes in two forms: preformed such as in animal foods such as fish, meat and dairy or from plant carotenoids. Tuna is a great source of preformed vitamin A. When it comes to carotenoids, go colorful:
Carrots.
Sweet potatoes.
Pumpkin.
Butternut squash.
Cantaloupe.
Dark green leafy vegetables.

4. Vitamin D
Known as the sunshine vitamin, it’s one of the most important and powerful nutrients for supporting the immune system. Food sources are limited but include:
Salmon.
Mackerel.
Tuna.
Sardines.
Vitamin D fortified like milk, orange juice and cereals.
In general, it’s best to get most of your vitamins from food, but vitamin D may be the exception to that rule. Talk with your doctor to find out if you need a supplement.

5. Folate/folic acid
Folate is the natural form and folic acid is the synthetic form, often added to foods because of its health benefits. To get more folate, add more beans and lentils to your plate on a regular basis, as well as leafy green vegetables. Avocado is another tasty source. You can also get folic acid in fortified foods (check the label first).
Enriched pasta.
Enriched bread.
Enriched rice.

6. Iron
Iron, which helps your body carry oxygen to cells, plays a part in many of the immune system processes. It comes in different forms. Your body can more easily absorb heme iron (aka iron from animal products), which is abundant in:
Red meat (limit to smaller amounts and less often).
Chicken.
Turkey.
Canned sardines.
Oysters.
Clams.
Mussels.
Canned light tuna.
If you’re a vegetarian, have no fear. You can still find iron in:
Beans.
Broccoli.
Kale.
Iron-fortified cereals.

7. Selenium
Selenium seems to have a powerful effect on the immune system being important for preventing infections. Animal foods are the best sources, with the exception of Brazil nuts, that offer a whopping greater than 100% daily value in one nut. However, too much can be a problem, so keep to no more than one to two of these in a day. Look for selenium in:
Seafood (tuna, halibut, sardines).
Meat and liver.
Poultry.
Cottage cheese.

8. Zinc
Zinc is needed for the production of new immune system cells. It’s found primarily in animal foods but can be also found in some vegetarian food like.
Oysters.
Crab.
Lean meats and poultry.
Baked beans.
Yogurt.
Chickpeas.
Choose frozen when you can’t get fresh
Depending on where you live and what time of year it is, you can’t always get your hands on high-quality fresh produce. Keep in mind that buying frozen is a good option and can be quite convenient in our time-crunched world. Frozen food can still boost your immune system.
“Manufacturers freeze frozen fruits and veggies at ‘peak’ ripeness, which means they’ll pack a similar nutritional value as their fresh counterparts,” she says. “Just choose plain frozen foods rather than those with added sugars or sodium.”

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January 5, 2026

This fresh English Pea Pasta recipe is loaded with healthful pea protein and flavored with garlic, mint and grated Parmigiano Reggiano.@ClevelandClinic

There is something special about using fresh peas straight out of the pod. This recipe was inspired by our root-to-stem philosophy of cooking: It always seems like such a waste to throw away the pea pods, but they are relatively inedible. To make use of the pods, we’ve pureed them into a spring-fresh pasta sauce. Remember: Pasta for breakfast is a great choice, especially when it’s loaded with healthful pea protein.

Ingredients

Kosher salt
1 pound fresh English peas in pods (yields about 1 cup shelled peas and about 3 ½ cups pods)
½ cup water
¼ cup extra-virgin olive oil
2 small spring onions or 2 large shallots, chopped
2 small spring garlic (whites) or 3 garlic cloves, minced
2 tablespoons Greek yogurt (optional)
12 ounces whole grain pasta, such as linguine, rigatoni or small shells
Freshly ground black pepper
¼ cup fresh mint (peppermint preferred), thinly sliced
Espelette pepper to taste (optional)
Grated Parmigiano Reggiano cheese (optional)

Directions

Bring a large pot of water to boil and add enough salt to make it salty like the sea.
Meanwhile, wash the peas. Pull off the stem ends: remove the peas and place in a small bowl. Reserve the pods.
Fill a bowl with cold water. Set aside. Add the empty pea pods to the pot of boiling water and cook for 5 minutes. Using a slotted spoon or spider, remove the pods from the boiling water and transfer to the bowl of cold water to cool quickly. Drain the pea pods and add to a Vitamix or high-speed blender. Add ½ cup water. Puree for 2 to 3 minutes.
Place a fine strainer over a bowl and add the pea pod puree to the strainer, pressing on the solids to release as much puree as possible into the bowl. Discard the solids in the strainer. Reserve the puree in the bowl; season to taste with salt and pepper.
Cook the pasta in the pot of boiling water until al dente, stirring occasionally.
Meanwhile, in a large skillet, heat the olive oil over medium heat. Add the onions and garlic and sauté until softened, 3 to 4 minutes. Add the peas and cook 2 minutes. Stir in the reserved pea pod puree and Greek yogurt, if using, and cook just until heated through. (Don’t overcook the peas or puree as the sauce will turn brown).
Using tongs or a spider, transfer the pasta to the sauce in the skillet. Toss until combined. Season to taste with salt and pepper. Transfer the pasta to the serving bowl. Add the basil and mint. Serve with Espelette pepper and grated Parmigiano Reggiano cheese, if using.

Nutritional info (per serving)

Makes 4 servings.

Calories: 554 kcal
Total fiber: 12 g
Soluble fiber: 0.1 g
Protein: 15.5 g
Total fat: 16.7 g
Saturated fat: 2.0 g
Healthy fats: 12.1 g
Carbohydrates: 84 g
Sugars: 7.7 g
Added sugars: 0 g
Sodium: 178 mg
Potassium: 433 mg
Magnesium: 14 mg
Calcium: 134 mg

Source: The What to Eat When Cookbook by Michael F. Roizen, MD, Michael Crupain, MD, MPH and Jim Perko, Sr, CEC, AAC.

January 4, 2026

Tired of plain fruit? Add some tang with this yogurt dressing. This dish is not only colorful, bright and fun, but also high in potassium, an important nutrient! @ClevelandClinic

Recipe: Pineapple Yogurt Fruit Salad

Make fruit more fun for kids — and adults!

Ingredients

1 tablespoon sugar free lemonade drink powder mix
1 cup fat-free plain Greek yogurt
15-ounce can of pineapple tidbits, in juice, drained
1 medium granny smith or other green apple, cut into small chunks
1 cup red grapes, each cut in half
2 medium bananas, sliced into coin shapes
1/4 teaspoon cinnamon

Directions

Combine lemonade powder mix and yogurt in medium bowl.
Add all fruit and stir until well-combined.
Sprinkle cinnamon on top.
Refrigerate. Serve chilled.

Nutrition information (per serving)

Makes 6 servings

Calories: 140
Fat: 0 g
Saturated fat: 0 g
Sodium: 15 mg
Protein: 4 g
Carbohydrates: 32 g
Sugars: 24 g
Dietary fiber: 3 g

January 4, 2026

Recipe: Caramelized Pineapple With Raspberries @ClevelandClinic

Cleveland Clinic

@ClevelandClinic
·
28m

This is a last-minute dessert that can be made post-dinner, while you brew the coffee and finish clearing the table

health.clevelandclinic.org

Recipe: Caramelized Pineapple With Raspberries

A refined, refreshing and quick dessert that will impress your guests

This is a last-minute dessert that can be made post-dinner, while you brew the coffee and finish clearing the table. Have ingredients and equipment ready beforehand — just be sure to turn the pineapple once and give the skillet a couple of shakes and voila! You’ll have a delightfully sweet dessert ready at your fingertips.

Ingredients

1/4 cup sugar
1/4 cup sugar substitute
1 pineapple, peeled, cored and sliced into six wedges lengthwise
Butter-flavored cooking spray, refrigerated
1 tablespoon trans-fat free margarine
2 tablespoons Cognac or fresh orange juice
1 cup fresh raspberries

Directions

Combine the sugar and sugar substitute. Sprinkle half of the mixture over one side of the pineapple. Turn and sprinkle the rest on the other side.
Lightly coat a large non-stick skillet with cooking spray. Add the margarine and melt over high heat. Place the pineapple in the skillet and cook, turning once and shaking the pan often, until it turns golden brown, 10 to 15 minutes. (The pineapple can be prepared to this point and held for one hour.)
Transfer the pineapple wedges to six dessert dishes, leaving the sauce that has formed in the pan.
Stir the cognac into the pan to thin the sauce. Heat briefly. Drizzle the sauce over the pineapple and sprinkle with equal portions of the raspberries. Serve warm.

Nutritional information (per serving)

Makes 6 servings

Calories: 118
Total fat: 3 g
Protein: 0.1 g
Carbohydrate: 22 g
Dietary fiber: 2 g
Cholesterol: 0 mg
Sodium: 0 mg
Potassium: 122 mg

January 2, 2026

Swap alcoholic drinks for non-alcoholic alternatives where possible and aiming for at least three alcohol free days per week.

Blackrock Health

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Kickstart your New Year’s health resolutions this month with these top nutrition tips from our Senior Dietitians at Blackrock Health Hermitage Clinic. Prioritise your health this year by following some simple guidelines:

– Prioritise whole foods: Swap processed snacks for nourishing, nutrient-dense snacks such as nuts and dried fruits, fruit and yogurt, cheese and crackers, nutty flapjacks, oat snacks. When opting for convenience snacks be aware of the ingredient list, some snacks which may label themselves as ‘healthy’ alternatives may have a long list of ingredients, generally the more whole ingredients and the shorter the list the better!

– Stay hydrated: Start each day with a glass of water and aim for 8 glasses throughout the day. Proper hydration is key for energy and overall well-being.

– Limit alcohol: Alcohol dehydrates and can cause fatigue which leads to poorer food choices as well as negatively impacting overall health. Swap alcoholic drinks for non-alcoholic alternatives where possible and aiming for at least three alcohol free days per week.

– Stay active: Incorporating some daily movement (outside if possible) will support overall mood, energy levels and health.

– Plan ahead: Try not let busy schedules derail your healthy eating goals. Meal prepping, batch cooking and planning snacks will help you stay on track.

At Blackrock Health, our Dietetics and Clinical Nutrition department is made up of Registered Dietitians who help manage and support a variety of nutritional and medical concerns to patients across our clinics.

If you are interested in outpatient dietetic support please visit our Dietetics & Nutrition pages (https://www.blackrockhealth.com/treat…/dietetics-nutrition) where you will find the many options available.

December 31, 2025

“When you create a meal centered around vegetables, you’re taking steps to improve and maximize your health,” says Liz Moore @HarvardHealth #nutrition

Harvard Health

@HarvardHealth

25m

“When you create a meal centered around vegetables, you’re taking steps to improve and maximize your health,” says Liz Moore, registered dietitian at Beth Israel Deaconess Medical Center. Try these three meals today. — #HarvardHealth #Diet #Nutrition

Meatless Mondays, meet summer’s bounty: a wide variety of colorful, fresh summer vegetables now available in grocery stores, backyard gardens, and farmer’s markets. We’re talking sunshiny golden corn on the cob, deep purple eggplant, red beets, peppers of all hues, not to mention tomatoes, zucchini, green beans, cucumbers, and more. With a bit of simple prep, they’re ready to take center stage on your plate, reinforcing the joy of summer.

“Vegetables in our diet provide many benefits. And when you create a meal centered around them, you’re taking steps to improve and maximize your health,” says Liz Moore, the author of a heart-healthy cookbook and a registered dietitian at Harvard-affiliated Beth Israel Deaconess Medical Center.

Centering healthy vegetables on your plate

Making vegetables the stars of a meal is part of the “veg-centric” movement, which teaches people how to elevate even average vegetables to creative entrées and side dishes. The trend gives vegetables bold flavors by grilling, layering, caramelizing, or roasting them — steps you can take with a backyard grill or stovetop skillet.

Summer veggie meals have lots of important health perks. “Vegetables such as eggplant and beets of all colors are rich in fiber, Moore says. “Eating a high-fiber diet helps lower cholesterol and is linked to heart health, digestive health, and helping to maintain stable blood sugar levels. For those trying to lose weight, vegetables are low in calories and provide volume, which helps keep you full.”

Summer vegetables also have a wide variety of essential vitamins, minerals, and phytochemicals (beneficial plant chemicals) like flavonoids. “For example, carotenoids in cooked tomatoes are rich in lycopene, which is associated with inhibiting cancer growth and boosting the immune system. And beets are a good source of folate and potassium,” Moore says.

Three easy summer vegetable meals

Wondering what to do with the colorful harvest available to you? Moore suggests keeping it simple by making a meal of vegetables paired with whole grains or legumes (beans or lentils). Here are three meals that fill the bill.

Grilled eggplant steak with cucumber, tomato, onion, chickpea, and feta salad

Slice an eggplant (from root to stem) into three-inch thick “steaks.” On each side, drizzle olive oil and a little black pepper. Grill on both sides until tender.
Dice two tomatoes, one cucumber, and half a red onion. Add a can of rinsed, drained chickpeas. Toss with a dressing of olive oil, a little red wine vinegar, and oregano to taste.
Serve the salad over the eggplant steak. Top with some diced feta cheese, if you like.

Veggie pita pocket with gazpacho

Put a couple of tomatoes, a cucumber, a green pepper, half a red onion, some bread crusts, and a little olive oil into a blender. Blend until chunky or finer, as you prefer. Add salt, pepper, and cumin to taste, blending for a few more seconds. Chill for 30 minutes.
Open a whole-wheat pita and spread a tablespoon of hummus inside. Add slices of zucchini and carrots, and some arugula, salad greens, or other vegetables that appeal to you.
Serve the pita with half a cup of the gazpacho.

Quinoa-stuffed red peppers

Based on a recipe from BIDMC’s CardioVascular Institute’s Hungry Heart Cookbook by Liz Moore, RD, LDN

Cut peppers in half, remove seeds, and lay them open side up on a dish.
Mix cooked quinoa, diced tomatoes, and corn off the cob (you can grill the corn first and cut off the kernels for a special summer flair). Add low-fat grated cheddar cheese, canned (rinsed) black beans, one egg, and some spices to taste, such as a bit of cumin, chili powder, salt, and pepper.
Use the mixture to stuff the peppers evenly, and then cook them on the grill in a grilling basket for about 30 minutes. You can also cook them in the oven at 350° F on a cookie sheet or in a roasting pan, checking at 30 minutes to see if they are done.

Other ideas include

grilled veggie kebabs with chunks of eggplant, zucchini, cherry tomatoes, and mushrooms. Serve on a bed of lettuce and add a little goat cheese.
whole-wheat pasta with a mix of sautéed vegetables that appeal to you.
salad with green leaf lettuce, raw green beans, cherry tomatoes, Kalamata or black olives, and half a hard-boiled egg. Top with a dressing you enjoy.

Which combinations of summer vegetables you choose can depend on cost, taste preferences, and how much time you want to spend cooking. If you’re in a hurry, go with a salad. If you have more time, try grilling or sautéing vegetables.

Finally, be open to inspiration from the bounty you see at the market. “Focus on getting a variety of colors in the vegetables you choose. The more colors there are on the plate, the more nutrients you’ll be consuming,” Moore says. “And try something new. Explore vegetables you’ve never tried before or new methods of cooking. Think of it as one of summer’s glorious adventures.”

About the Author

Heidi Godman, Executive Editor, Harvard Health Letter

Heidi Godman is the executive editor of the Harvard Health Letter. Before coming to the Health Letter, she was an award-winning television news anchor and medical reporter for 25 years. Heidi was named a journalism fellow … See Full Bio

View all posts by Heidi Godman

December 30, 2025

Kickstart your health resolutions with these top nutrition tips from our Senior Dietitians at Blackrock Health Hermitage Clinic.

Blackrock Health

tospndeoSrmrtcy89u1hn08m6a:3h390u9210J10t a a0730m9fl 2aa86u ·

– Stay hydrated: Start each day with a glass of water and aim for 8 glasses throughout the day. Proper hydration is key for energy and overall well-being.

– Stay active: Incorporating some daily movement (outside if possible) will support overall mood, energy levels and health.

– Plan ahead: Try not let busy schedules derail your healthy eating goals. Meal prepping, batch cooking and planning snacks will help you stay on track.

December 28, 2025

Recipe: Spanish Omelet With Veggies and Cheese @ClevelandClinic

Recipe: Spanish Omelet With Veggies and Cheese

Omelets are a great choice for a one-skillet meal, and our recipe delivers on nutrition and taste! This meatless dinner option provides 100% of your daily vitamin C and is a good source of calcium.

Ingredients

5 small potatoes, sliced
Vegetable cooking spray
1/2 medium onion, minced
1 small zucchini, sliced
1 1/2 cups green/red peppers, sliced thin
5 medium mushrooms, sliced
3 whole eggs, beaten
5 egg whites, beaten
1/4 teaspoon pepper
1/2 teaspoon garlic powder
1/4 teaspoon oregano
3 ounces shredded part-skim low-fat mozzarella cheese
1 tbsp grated Parmesan cheese

Directions

Preheat oven to 375 F.
Cook potatoes in boiling water until tender, about 12 minutes.
In a nonstick pan, add vegetable spray and warm at medium heat.
Add onion and sauté until brown. Add vegetables and sauté until tender but not brown.
In a medium mixing bowl, slightly beat eggs and egg whites, pepper, garlic powder, oregano and low-fat mozzarella cheese. Stir egg-cheese mixture into the cooked vegetables.
In a 10-inch pie pan or ovenproof skillet, add vegetable spray and transfer potatoes and egg mixture to pan. Sprinkle with low-fat parmesan cheese and bake until firm and brown on top, about 20 to 30 minutes.
Remove omelet from oven, cool for 10 minutes, and cut into five pieces.

Ingredient health benefits

Potatoes: Don’t let their higher carb and caloric content scare you; in moderation, these starchy vegetables are delicious and nutritious. Potatoes are full of vitamins and minerals like vitamin C , which boosts your immune system, and vitamin B6, which suppresses inflammation and promotes brain health. To get the most out of your potatoes, cook them with the skin on.
Onions: This allium is more famous for its potent aroma than its health perks, but rest assured, there are plenty to go around. For instance, onions have chemicals called flavonoids that fight inflammation and help lower blood pressure. And in addition to being a good source of fiber, onions contain prebiotics, which feeds the good bacteria in your gut so they can keep your whole body healthy.
Zucchini: If you’re looking for foods with head-to-toe benefits, consider adding squashes like zucchini to your diet. Nutritional highlights include calcium, vitamin A and vitamin C — all of which support strong bones and healthy eyes. Squashes are also a good plant source of iron, which keeps your blood cells happy.
Red bell peppers: These members of the nightshade family are an excellent, nutrient-dense addition to any meal. Red bell peppers are chock full of vitamins like vitamin E and vitamin B9 (folate). They also contain anthocyanins, which are natural plant pigments that protect your heart, help lower your blood pressure and might support your brain function.
Mushrooms: Though these fungi may be small, they’re a mighty culinary ingredient. Mushrooms are full of antioxidants, which help protect your cells from damage by free radicals. And they have compounds that stimulate your immune system to fight invaders and, potentially, cancer. Other properties found in mushrooms also support the health of your heart, gut and brain!
Eggs: A perfect example of how good things come in small, oval-shaped packages. Eggs are rich in vitamins like vitamin B12, which is essential for your blood cells and nerve cells to work properly. Eggs also have lutein, a carotenoid that helps preserve your vision. Egg whites have about 60% of the protein found in an egg.

Nutrition information (per serving)

Makes 5 servings

Calories: 290
Total fat: 6 g
Saturated fat: 2.5 g
Trans fat: 0 g
Cholesterol: 120mg
Sodium: 250 mg
Total carbohydrate: 43 g
Fiber: 6 g
Sugars: 5 g
Protein: 18 g

— Recipe courtesy of Digestive Disease Health Team Dietitians.

December 23, 2025

Intuitive eating is an approach to food that focuses on identifying and trusting your hunger cues @ClevelandClinic

Intuitive eating is an approach to food that focuses on identifying and trusting your hunger cues. Studies show that it’s associated with: – Positive body image and self-esteem – Lower rates of disordered eating – Higher general well-being Intuitive eating isn’t a free-for-all —… pic.twitter.com/I7IYddV90a
— Cleveland Clinic (@ClevelandClinic) July 18, 2025

December 8, 2025January 6, 2026