Savory Green Morning Shake

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Collard greens

Low-oxalate brassica; the closest calcium substitute for kale.

Targets: Calcium

Bundles of fresh collard greens in a produce box
Glory Foods · CC BY 2.0

Collard greens share kale’s low-oxalate profile and similarly high calcium bioavailability, making them the most like-for-like swap when kale isn’t available. They’re slightly more robust in texture and milder in flavor than kale.

In the recipe