Henner knew about a growth hormone discovered at Genentech but not fully developed into a drug.
Mr. Pettitte told investigators that Mr. Clemens once admitted to him having taken human growth hormone.
McNamee says he injected Clemens with steroids and human growth hormone on Clemens' orders.
Antiaging medicine promises to explode with the advent of growth hormone in a pill.
As the focus shifts to growth hormone, it's raising questions about this apparent drug of choice.
One worry is that long-term use of growth hormone could boost the risk of cancer.
They suggested this was important because it also had implications for a person's growth hormone secretion.
There exists a juvenile-growth hormone which prevents the ants from maturing past the drone stage.
Clemens told the House Committee on Oversight and Government Reform that he never used steroids or human growth hormone.
Genentech wanted to see if its injectable growth hormone could be taken orally.
The statistical slam dunks marred by allegations of steroid and human growth hormone use are another story.
Among the hits: a Hepatitis B vaccine, a treatment for inter-cranial aneurysms and a bovine growth hormone.
So far, only one such version, the Omnitrope human growth hormone from Novartis, has reached the market.
Among the banned drugs supplied, the lawsuit said, are testosterone, human growth hormone and human chorionic gonadotropin.
"When I am on growth hormone, I feel stronger, " says DerHagopian, who shoots up every other day.
Mr. BRIAN MCNAMEE (Roger Clemens' Former Personal Trainer): I told the truth about steroids and human growth hormone.
In the 1980s he was working at Genentech to devise a pill version of the company's human growth hormone.
Wadler says it's wrong to draw a line between steroids and growth hormone.
Like insulin, growth hormone is too big to avoid destruction in the gut.
Drugs that require refrigeration, such as insulin or growth hormone, can go bad.
Several other companies that sell growth hormone for adults report modest sales growth.
Human growth hormone and human chorionic gonadotrophin are the present drugs in vogue.
With so many millions of people using Growth Hormone, Testosterone, and other Anabolic Steroids where are all dead people?
FORBES: Why It's Time To Legalize Steroids In Professional Sports
The new testing policies will undoubtedly catch a ball player of distinction abusing human growth hormone or synthetic testosterone.
FORBES: Collaboration and Collegiality are Two Hallmarks of MLB's Modified Drug Testing Program
"I told the truth about steroids and human growth hormone, " McNamee said.
Consider, for example, the decades of production of a human growth hormone for below-average-height children by the National Pituitary Agency.
In 1990 they cloned a breakthrough product: ciliary neurotrophic factor, or CNTF, a nerve growth hormone they later named Axokine.
"Let me be clear: I have never taken steroids or HGH (human growth hormone), " Clemens insisted in his opening statement.
No such definitive data exists for growth hormone, as to whether it enhances performance or heals injuries in healthy athletes.
International criminal investigations have been launched after traces of a banned growth hormone were found at two soft drinks factories.
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