With a fat-free dressing, carotenoid absorption flatlined down to negligible amounts; it was as if they’d never eaten the salad at all.23 Similarly, adding some avocado to your salsa may triple the amount of fat-soluble nutrients that make it into your bloodstream (in this case, the lycopene in the tomatoes).24 It doesn’t take much. Just three grams of fat in an entire hot meal may be sufficient to boost absorption.25 That’s just a single walnut or a spoonful of avocado or shredded coconut. Snack on a few pistachios after a meal, and you’re all set. The greens and the source of fat just have
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