Goji Berries

What’s a goji berry?

You might have heard of goji berries and their health benefits. Their history as a medicinal plant has roots in ancient China. Many people use goji berries to treat eye, liver, and kidney issues.

Also known as wolfberries, these festive red berries have a sweet, slightly sour taste. They often come in dried form, like raisins.

But do they live up their health claims?

Nutritional information

Goji berries are a good source of vitamins and minerals, including:

  • vitamin C
  • fiber
  • iron
  • vitamin A
  • zinc
  • antioxidants

These berries contain all eight essential amino acids. A 1-ounce serving provides nearly 10 percent of your daily value for protein. For fruit, this is a surprising amount of protein.

Due to the higher fiber content or complex carbs in goji berries, your blood sugar will rise more slowly, reducing your risk for a sugar crash afterward.

Goji berry health benefits

Boosted immune system and flu protection

A boosted immune system and flu protection can go hand-in-hand. The vitamins in goji berries may be able to increase and support both.

Early lab testing found goji berries help enhance the effectiveness of flu vaccinations in aged mice. This is important, because the flu vaccine doesn’t always provide adequate protection against the virus.

This study suggests that goji berries may prevent subsequent infections for older adults who’ve received a flu vaccine. But remember, goji berries aren’t replacement protection against the flu. Be sure you and your family members get your flu shot every year.

Potential weight loss aid

Goji berries pack healthy energy into small servings. Their rich, sweet taste, along with their high-fiber content, can help you stay on track with eating healthy. Turn to them for a light snack to prevent overindulgence at mealtime. Add them in your yogurt or salad in the same way you would use raisins.

Their nutrition value as a low-calorie, low-sugar option makes them a perfect substitute for other dried fruits with higher sugar content. A 1-ounce serving of goji berries has around 100 calories.

Antioxidants for eyes and skin

Studies have cited the high level of antioxidants in goji berries, especially zeaxanthin. It’s the zeaxanthin that gives goji berries, saffron, and bell peppers their bright color.

Antioxidants protect cells against breaking down when they’re exposed to elements such as smoke and radiation. What’s more, foods with healthy levels of antioxidants are often high in fiber and low in unhealthy fats.

The same study also found that older adults who ate a daily dietary supplementation with goji berries for 90 days had less hypopigmentation and fewer drusen, or yellow deposits, in their eyes.

Maintain blood sugar

Sweet goji berries may be your new favorite food if you have a particularly sweet tooth. Goji berries can help:

  • potentially lower blood sugar
  • improve sugar tolerance
  • alleviate insulin resistance
  • improve and recover cells that help produce insulin

Talk to your doctor before you start adding goji berries to your diet, especially if you’re using medications to manage blood sugar. If you do start regularly eating them, you may want to check your blood sugar more often.

Increased testosterone

Goji berries have a long history tied to sexual fertility. One study in rats showed that goji berries significantly:

  • increased sperm quantity and movement
  • shortened erection, capture, and ejaculation response
  • improved sexual ability
  • improved recovery of testosterone levels

Research suggests that goji berries may be an alternative to prescriptions for erectile dysfunction, like Viagra.

Are goji berries a superfood?

Some brands may market goji berries as a superfood. One study compared the results of participants who consumed goji berry juice daily for 14 days to those who didn’t. People who drank goji berry juice reported an increase in:

  • energy
  • athletic performance
  • quality of sleep
  • ability to focus
  • calmness
  • overall well-being

The same group also reported significantly better outcomes for issues of fatigue, stress, and digestion. But the results were also self-reported. They didn’t account for other conditions.

Some health claims also state that goji berries can:

  • increase life expectancy
  • lower heart risks
  • lower blood pressure
  • reduce arthritis pain

One older study also claims that goji berries can treat cancer tumors. Goji berries contain a chemical component called beta-sitosterol. This may help decrease the size of overgrown cells and can cause apoptosis, or “cell suicide,” in tumor cells.

But these studies are poorly designed and have inconclusive and insignificant results. More studies are needed to confirm the health benefits of goji berries.

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