Question 1

What does LR3 stand for?

Accepted Answer

LR3 stands for 'Long R3'. It denotes the 13-amino acid 'Long' extension at the N-terminus, and the substitution of Arginine (R) at position 3.

Question 2

Why is IGF-1 LR3 more potent than native IGF-1?

Accepted Answer

Because its structure prevents it from being deactivated by IGF Binding Proteins in the bloodstream, allowing it to remain active 2 to 3 times longer than natural IGF-1.

Question 3

Is IGF-1 LR3 for human use?

Accepted Answer

No. Melbourne Peptides supplies IGF-1 LR3 strictly for in-vitro laboratory research and analytical models. It is not approved for human consumption.