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Ding, X., Kakanj, P., Leptin, M., & Eming, S
Examples throughout chemistry include: riboflavin (bright yellow) potassium ferricyanide (deep red) copper sulphate (blue) Colour reflects molecular structurenot necessarily contamination

As many as 80-90% of people following a vegan lifestyle may have a deficiency and the reason for this is that vitamin B12 is only found in animal food sources

Vitamin B12 is essential for nerve function, red blood cell production, and DNA synthesis
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