All you have to do is Follow the Conzace twitter page and Tweet them in this format:
The limited edition complimentary Conzace Travel Health Kit is now available! #VeryImmunePerson pic.twitter.com/doQ9GGodHk— ConzacePH (@conzaceph) May 22, 2015
Once you do, they will retweet you to send them a Direct Message with your email to validate your entry. Then they will send you an email, asking for proof of your travel details and your shipping address. :)
I already did this and I just received my VIP Health Travel Kit from Conzace!
It's pretty badass. :D And it's totally free!!
Log on to twitter now to join the promo! :D
Conzace twitter page: https://twitter.com/conzaceph