Zucchini Nutrition: Top 9 Zucchini Benefits

What is the nutritional value of zucchini?

A favorite among low-carb dieters and anyone who wants to lose weight fast, zucchini has a very low score on the glycemic index. Other things to love about zucchini include the fact that it has a high water percentage, is low in calories, carbs and sugars, and is high in essential nutrients like potassium, manganese, and antioxidants like vitamin C and vitamin A.

Zucchini squash, both yellow and green, have even been found to have therapeutic compounds, including lutein, β-carotene, zeaxanthin and dehydroascorbic acid.

Read on to learn more about zucchini nutrition benefits and more:

1. High Source of Antioxidants and Vitamin C:  Seeds from various squash vegetables are known to hold many types of phytonutrients that can help fight inflammation and oxidative stress. Some of these antioxidants include vitamin C, vitamin A, superoxide dismutase (SOD), glutathione peroxidase (GSHpx) and glucose-6-phosphatase (G6Pase).

One medium zucchini has over 50 percent of your daily vitamin C needs. Vitamin C foods can help maintain the crucial lining of your blood cells, lower blood pressure, and protect against inflammation and clogged arteries. Seeds from squash plants also have a long history of use in traditional and folk medicines when it comes to immune system boosting. Historically, seeds from squash were believed to be antimicrobial and offer antiparasitic properties, so populations believed that zucchini nutrition positively benefited digestive, nervous, immune and cardiovascular systems.

One 2006 study that investigated the effects of squash seeds (from pumpkin) on immune function found that the raw seeds were effective in alleviating detrimental effects associated with protein malnutrition, free radical damage and oxidation. Pumpkin seed protein isolates hold components that have anti-peroxidative properties that can help improve liver function and detoxification, and researchers believe that, to a somewhat lesser extent, similar benefits exist within seeds of other squash varieties like zucchini.

2. Anti-Inflammatory Properties That Improve Heart Health:  Zucchini and other squashes are largely made of water and carbohydrates, specifically the type called polysaccharides. Summer squash includes a good percentage of the fiber called pectin, which is a type of beneficial polysaccharide that is linked to improved cardiovascular health and the ability to lower cholesterol naturally.

Pectin fiber, which is also found in apples and pears, is known to improve arterial health and reduce disease-causing inflammation, so it might also offer protection against diabetes and insulin resistance.

Since obesity and heart disease risk factors are often linked, it’s beneficial that zucchini can help support weight loss. Studies show that low-sugar and low-carb diets can be effective in body weight management since they positively impact insulin and other hormones. Of course, there are other factors to consider, especially how many healthy sources of fats and fresh whole fruits someone consumes, but zucchini can definitely play a role in a heart-healthy diet that also improves bodyweight.

3. High Source of Potassium:  An often overlooked zucchini benefit is the fact that zucchini nutrition is high in the heart-healthy mineral potassium. One cup of cooked zucchini gives you more than 15 percent of your daily value, which is usually more than what’s included in the typical multivitamin supplement!

Research suggests that low potassium is tied to imbalances with other minerals that can raise the risk for heart disease and other complications. Potassium can also be a natural way to lower blood pressure because it counteracts the effects of a high-sodium diet. Increasing potassium intake can slash your stroke risk and may also lower your odds of developing heart disease.

4. Helps Improve Digestion:  Zucchini benefits digestive health and is often recommended for digestive issues since it’s hydrating and provides essential electrolytes and nutrients. Research suggests that zucchini also offers anti-inflammatory protection within the gastrointestinal tract that can reduce IBS, ulcer-related symptoms, and leaky gut syndrome.

Eating anti-inflammatory foods, such as plenty of non-starchy fresh vegetables, is the first step to lowering body-wide inflammation and gut-related issues.

Zucchini are also very easily digested since they’re largely water. They also offer some dietary fiber that can bring natural constipation relief or help treat diarrhea. To obtain the biggest digestive boost, eat the whole vegetable, including the nutrient-rich seeds and skin.

5. Low in Calories and Carbs:  One of the best things about summer squash varieties is that they are very high in water. Including tons of non-starchy veggies in your diet is an effective strategy for naturally reducing calorie intake.

Zucchini has a low calorie count and help fill you up. You can eat a whole lot at once for little calories. Zucchini is also one of the lowest carb-containing veggies, second to leafy greens. This is one reason why people like to use it in place of noodles or other carbs.

6. Helps Maintain Eye Health:  All types of summer squash (and winter squash, too) offer a good dose of phytonutrients, like vitamin C, manganese, beta-carotene, lutein and zeaxanthin, that protect eye health.

Lutein and zeaxanthin are two types of carotenoid antioxidants found in zucchini nutrition that often get attention for defending the eyes from age-related diseases, thus offering natural treatment for macular degeneration, cataracts and glaucoma. They work by protecting the retina, cornea and macula from UV light damage and oxidative stress that can lead to loss of vision and even blindness.

In addition to protecting the delicate tissues of eyes, they can keep skin youthful and free from signs of aging.

7. Good Source of Energizing B Vitamins:  Zucchini is high in B vitamins, including folate, vitamin B6 and riboflavin. B vitamins help support a healthy metabolism since they aid in protein, carbohydrate and nucleic acid metabolism. Obtaining enough B vitamins is important for cognitive health, maintaining an upbeat mood and preventing fatigue.

Folate specifically is tied to cell growth and aids in tissue development and maintenance. Zucchini nutrition is beneficial for women looking to conceive or who are pregnant because folate allows your body to synthesize new DNA and properly conceive. It’s also crucial for a healthy pregnancy because it helps prevent birth defects and developmental problems.

8. Can Help Control Diabetes:  Apart from weight loss and an increase in physical activity, the development of type 2 diabetes can be prevented by dietary changes.

Can diabetics eat zucchini? You bet. Because zucchini are low in carbs and sugar, and both filling and nutrient-dense, they can play a role in diabetes prevention. (They’re also a good choice for any healthy weight loss program for the same reason.) The polysaccharide fibers found in zucchini nutrition and other squash, including pectin, have special benefits for blood sugar regulation. For anyone struggling with diabetes, zucchini can help combat problems controlling blood sugar levels since they’re a very low-carb, low-glycemic veggie that helps prevent insulin spikes and dips.

The state of prediabetes is characterized by an increase in insulin resistance and a decrease in pancreatic beta cell function. The early stages of type 2 diabetes can be identified by an impaired glucose tolerance or by an impaired fasting blood sugar. Research shows that a diet with high dietary fiber intake of more than 30 grams per day can be a simple and effective preventive approach.

Consuming high-fiber foods has many positive effects on the physical health status in addition to blood sugar control. It also positively impacts the gastrointestinal tract, has potential to support weight reduction, and can improve disturbances of carbohydrate and fat metabolism that might lead to heart disease.

9. Helps Balance Thyroid and Adrenal Function:  A 2008 study done by the Endocrine Research Unit at Devi University in India found a high presence of polyphenols and ascorbic acid in extracts taken from the peel of zucchini and other squash vegetables. When the researchers tested the effects of using these extracts in rat studies, the group supplementing with squash extract showed beneficial effects in regard to thyroid, adrenal and insulin regulation. They attributed these improvements to the antioxidant effects of squash’s phytonutrient chemicals.

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