How does the calcium benefit of collard greens compare to kale based on their calcium-to-phosphorus ratios?

Answer

Collard greens boast ratios closer to 3:1, actively helping calcium uptake, whereas kale's ratio is closer to 1:1 or slightly less.

The text contrasts these greens by noting that collard greens offer a favorable 3:1 ratio, aiding calcium uptake. Kale, despite being green, has a less beneficial ratio (near 1:1) due to its phosphorus content, meaning it is less nutritionally valuable regarding calcium absorption.

How does the calcium benefit of collard greens compare to kale based on their calcium-to-phosphorus ratios?
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