There are 490 calories in a Zucchini Walnut Muffin from Starbucks. Most of those calories come from fat (52%) and carbohydrates (43%).
To burn the 490 calories in a Zucchini Walnut Muffin, you would have to run for 43 minutes or walk for 70 minutes.
According to our website visitors, a Zucchini Walnut Muffin is not a healthy and nutritious option from Starbucks, with only 15% of voters finding it to be healthy.
Let us know what you think! Review the nutrition facts above and then vote on whether you think a Zucchini Walnut Muffin is healthy or not.
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