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The crystallite size was calculated using the following equation: where D is the average crystallite size (nm), K is the shape factor (~ 0.9), is the X-ray wavelength (1.5406), is the full width at half maximum (FWHM) of the diffraction peak expressed in radians, and is the Bragg diffraction angle

Understanding these distinctions helps explain why researchers choose one over the other

Heme iron (from meat) is the better-absorbed version, with an absorption rate of 20 to 30 percent

For more information on how supplements like L-Carnitine can help maintain energy levels, read our article on supplements for busy professionals