Potassium Cyanate Poisoning: The blood of the deceased with cyanide poisoning is rich in cyanide hemoglobin, and the corpse spot is bright red.

When he died, he didn't lose his color, and his lips and nails didn't turn purple but pink.

After taking it, the electron transfer system in the cell will start to operate, and it can circulate along the blood to the whole body without using oxygen in the blood, so that the color will become better.

Besides, your mouth will smell of bitter almonds.