http://www.buzzle.com/articles/symptoms-of-vitamin-d-overdose.html
I have had it and it is very bad, muscle spasms, tingling, feeling sick.
He is saying signs and symptoms of overdosing on Vitamin D. I'd like to know that too.
I don't understand the "s/s"; however, vitamin D toxicity is when you get too much vitamin D, whether by being in the sun too much, taking too many supplements or a combination of the 2. If the levels of vitamin D get too high, it can be dangerous.