VIP (Vasoactive Intestinal Peptide) Testing
MW: 3326.78 g/mol
28-residue neuropeptide affecting smooth muscle and immune function.
What we test on VIP (Vasoactive Intestinal Peptide)
Methionine oxidation common.
Standard Hormones Panel
- ✓Chiral HPLC (enclomiphene)
- ✓LC-MS
- ✓Potency by ELISA where appropriate
Common impurities in this category
Cis/trans-isomer contamination, glycoform heterogeneity, degraded HCG.
Related Hormones peptides
Enclomiphene
405.96 g/mol
Trans-isomer of clomiphene citrate (SERM); secondary hypogonadism research.
HCG (Human Chorionic Gonadotropin)
~36.7 kDa
Glycoprotein hormone of pregnancy; used in fertility and TRT support research.
HMG (Human Menopausal Gonadotropin)
~30 kDa each
FSH + LH combined; fertility research.
Kisspeptin
1302.46 g/mol
Master regulator of GnRH/HPG axis (often as Kisspeptin-10).
Oxytocin
1007.19 g/mol
Cyclic nonapeptide; reproductive and social-bonding research.