Boost your immune system with this vitamin and nutrient-rich smoothie.Ingredients:1 cup of chopped celery2 cups of fresh spinach1 granny smith apple1 banana陆 cup pineapple1 tbsp hemp seeds2 cups ice1 cup milk of choiceDirections:Place all ingredients in a blender and combine until smooth. Add more or less liquid per your consistency preferences.Serve with a straw or in a bowl with toppings like chia seeds, fruit or granola. This article first appeared in the September 2022 edition of the HealthPerks newsletter.