A few nice Vitamins images I found:

Vitamin Fluorescence: Riboflavin
Vitamins
Image by someHerrings
Vitamin B complex tablets were "mined" for their fluorescent riboflavin. After washing in water, the tablets were put in isopropyl alcohol.

Left: white light image
Right 450nm blue LED (no filter on camera)

Approx. 10 3mg Rite Aid B-Complex Dietary Supplement tablets were used.

Flintstones Kids Vitamins
Vitamins
Image by JeepersMedia
Flintstones Kids Vitamins, 1/2015, by Mike Mozart of TheToyChannel and JeepersMedia on YouTube.