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Delicious Immune-Boosting Smoothie Recipe

Support your defenses with a nutrient-packed drink

Healthy food for a smoothie on a counter near a blender

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En español | Supermarket and drugstore aisles are filled with vitamins and supplements that promise to improve immunity. And in this, the year of the coronavirus, you may have considered stocking up on such offerings.

"Immune function, particularly in older adults, is very much a function of good nutrition,” says Charles Mueller, associate professor of clinical nutrition at New York University. But Mueller points out that, unlike foods, supplements are largely unregulated, and that a safer, more proven and effective way of supporting overall health is to eat real foods that deliver key nutrients. A great way to start: Whip up a nutrient-dense morning smoothie. Here's what your blender should include.

smoothie in tall glass with strawberry and greens

Caitlin Bensel

Ingredients

• 1 cup plain vitamin D–fortified kefir (or 1/2 cup plain yogurt and 1/2 cup fortified milk)

• 1/2 banana, fresh or frozen (for sweetness and creaminess)

• 1 cup frozen strawberries, mango or pineapple

• 1 tablespoon almond butter

• 1 cup fresh spinach leaves

• 1 teaspoon chia seeds

• 1 scoop protein powder (optional)

Blend ingredients together for about a minute, until smooth. Add water or ice to change consistency or temperature to your preference.

Kefir for probiotics

"The majority of our immune system resides in our gut,” says Manhasset, New York, dietitian Julie Kramer. “It's important that we support the microbiome there with healthy bacteria.” Kefir is a fermented milk product loaded with probiotic microorganisms.
Substitute: unsweetened yogurt

Pineapple for vitamin C

To sweeten your smoothie, opt for fruits like pineapple, citrus and berries that are high in vitamin C, which is crucial to immune function.
Substitutesstrawberries, kiwi, papaya or mango

Fortified dairy for vitamin D

Adequate vitamin D helps protect against flu and other infections. Options: milk, kefir or unsweetened yogurt fortified with vitamin D

Spinach for iron

These leafy greens are rich in iron as well as folate, a B vitamin that supports the immune response.
Substitutes: peanut butter, steamed kale

Almond butter for magnesium and vitamin E

Both nutrients, found in nuts and seeds, support immunity and heart health.
Substitutes: peanut, cashew or sunflower seed butter; chia, flax or hemp seeds

Chia seeds for zinc

Zinc helps the immune system fight off bacteria and viruses.
Substitutes: hemp or flax seeds

Pick your protein

Whether you get it from soy, cow's milk, or plant- or whey-based protein powder, protein is vital to building and repairing the body's cells, including those that fight infection.


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