Why Easily Get Blue Black?

Totally normal. As you age, your skin gets thinner and loses the protective layer of fat that acts as a cushion when you bump into something. Also, your blood vessels get more fragile. Both of these things mean you get more bruises.

What are you lacking if you bruise easily?

Low on Vitamin C

This essential vitamin helps make collagen, an important protein that keeps your blood vessels healthy. If you don't get enough vitamin C in your diet, you may notice that you bruise easily.

What vitamin deficiency causes black and blue marks?

Although rare in healthy adults, vitamin K deficiencies can slow the rate at which blood clots. When blood doesn't clot quickly, more of it pools beneath the skin and forms a bruise. Other symptoms of vitamin K deficiency include: bleeding in the mouth or gums.