The best replacement for d is d3.

The best alternatives to d are rated as following:
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Your alternative for d is not listed? Suggest!
Speaking about d, one probably shouldn't forget about calcium.

Other search terms related to d and their ratings are:
★★★★★ calcium
★★★★ makeup
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★ soy
★ food
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★ k2
sunlight
magnesium
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Google Trends

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d
d3
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