You can get vitamin D3 from sun exposure, lichen, and animal sources, such as fish oil and egg yolk. You can get vitamin D2 from plant sources. Your body metabolizes vitamin D2 and D3 differently.
Scientists Discover a Hidden System That Turns Brown Fat Into a Calorie Burner Mar. 28, 2026 Scientists have identified a key biological system that helps brown fat burn energy by building the ...
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