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The question whether HGH is worth it or not is far too vague and is highly dependant on the particular scenario or application that warrants its usage.
For therapeutic applications associated with the natural process of aging, yes, it's worth it. Even so, that's if you can afford it and most individuals are not fond of daily injections along with adjusting their nutritional intake. Testosterone replacement therapy is a better option and should preceed HGH therapy in my opinion.
For the average individual who wants is looking for mass gains, no, it's a waste and counterproductive in most cases due to it's diabetogenic properties. HGH must be used with insulin for mass gaining purposes. That's the bottom line. I'll take the Pepsi challenge with anyone on any day of the week in regards to this particular issue.
For the average individual looking for fat loss, maybe, if you can afford it. This scenario is optimized in conjuction with T3, RLA and a low/moderate carbohydrate diet. HGH for weight/fat loss is an act of desperation in my opinion.
For the average indiviual begining PCT or recovering from an injury, maybe, if you can afford it. Technically, there are benefits. However, to what extent and does your scenario absolutely justify spending the financial resources? In most cases, no.
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Jenetic