Hi <Friend's Name>

I came across a web site that might interest you. The company's name is Protica, and they sell a concentrated protein beverage unlike anything I have ever seen. You can find them at Protica Web Site. Please let me know what you think.

Take care,

<Your Name>
<Your E-mail>

p.s. If you buy something from them, use coupon code PR15 to receive 15% off. If you sign up for their newsletter, they will send you a 25%-off coupon.