punctuation

[Halfspeed]

Which punctuation statement is correct?

1)Vitamin C is good for you. It boosts the immune system.
2) Vitamin C is good for you; it boosts the immune system.
3) Vitamin C is good for you, and it boosts the immune system.
4) All of the above.

[Barb_D]

I think you have posted enough today to expect that the response you'll get: Tellus what you think first. Show us the error, if there is one, on each sentence.

[Halfspeed]

I think all are correct. What do you say?

[Raymott]

I think all are correct. What do you say?

They seem OK to me. Is someone saying they're wrong?

[Barb_D]

I think all are correct. What do you say?

I agree.

[riquecohen]

I agree that all are grammatically correct, but #3 doesn't seem natural to me. I would say "Vitamin C is good for you because it ..."