I don't believe this. Maybe his tev-tropin was contaminated but as you can see from the manufacturers data sheet, "tev-tropin" is a 191aa sequence and a plain old somatropin, just like all the rest.
TEV-TROPIN®
[somatropin (rDNA origin) for injection]
5 mg (15 IU)
DESCRIPTION
TEV-TROPIN® (somatropin, rDNA origin, for injection), a polypeptide of
recombinant DNA origin, has 191 amino acid residues and a molecular weight
of about 22,124 daltons. It has an amino acid sequence identical to that of
human growth hormone of pituitary origin. TEV-TROPIN® is synthesized in a
strain of Escherichia coli modified by insertion of the human growth hormone
gene.
TEV-TROPIN® is a sterile, white, lyophilized powder, intended for subcutaneous
administration, after reconstitution with bacteriostatic 0.9% sodium chloride
injection, USP, (normal saline) (benzyl alcohol preserved). The quantitative
composition of the lyophilized drug per vial is:
5 mg (15 IU) vial:
Somatropin 5 mg (15 IU)