Riddle Sale!

[RUI-products]

Get today's riddle right and get a coupon code for 15% off the whole store.

“I have a 13 amino acid extension, Who am I?”

Go now.... Welcome to RUI-Products.com!

Reminder: There is a 10% store-wide sale going on all month long.

RUI

 

[RUI-products]

"I am being researched for nerve tissue repair, Who am I?"

 

[RUI-products]

"I am similar in molecular structure to insulin, Who am I?"

 

[RUI-products]

IGF-1 Lr3 was answered in another thread and is the correct answer.

Use LUVIGF1 to get an additional 15% entire order.

 

[shockandawelifter]

todays riddle is?