Although taking diatery supplements can have a very good effects on our health and our performance during training, we can't be ignorant to the fact that by midless use of supplements can badly affect our health. Taking supplements is not so simple as many people could think, as overdosing or mixing wrong supplements can bring much harm to our body. A great example is a vitamin all of us know - vitamin D. Too much of this vitamin can harm our kidneys(kidney stones) or cause muscle pain. Overdosing calcium isn't a good idea either. Calcium is connected with vitamin D, as if we take too much calcium without adequate vitamin D to help absorb it, the extra calcium settles in the arteries instead of the bones. Many specialists say, that excessive usage of creatine can result in dehydration as well as kidney damage. What's more, it can worsen the symptoms of people who suffer with asthma. Although taking supplements can improve our performance and our health, overdosing it may h...