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I'm undergoing HGH therapy, and I see a lot of conflicting information on the internet another whether or not it's truly bad to eat meals after/before the shots -- supposedly, it can increase the risk of diabetes because of the insulin spikes.

Is there any scientific evidence regarding this? Is an insulin spike(from food) after/before taking HGH shots a risk factor for diabetes?

  • I need to remind that this probably kinda depends on what would you exactly eat for your supper. – Tomáš Zato - Reinstate Monica Jun 9 '16 at 15:14
  • I guess it doesn't matter. Even healthy food will cause a spike in insulin. Of course I'm not eating chocolate cake before bed, but I do eat a reasonable amount of fat/protein/carbohydrates to meet my caloric goal – Freedo Jun 9 '16 at 15:36
  • I become insulin insensitive on hgh. You can take exogenous insulin like the big time body builders do. I think running high blood sugar for a long time is very bad for you. The best bet is to monitor your blood glucose especially fasted in the morning. You should be under 90. If not do more research on what you can do to lower your blood glucose. Options include insulin, metformin, low carb diet, and supplements to increase insulin sensitivity. I’m not recommending any of the above - you need to do your own research on this. – Jim McD Jul 17 '19 at 15:03
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1) Human growth hormone (HGH) shots, meals and glucose and insulin spikes.

HGH shots increase blood glucose and therefore insulin, both of which can be further increased by having meals shortly before or after the shots.

There is some evidence that glucose spikes (International Journal of Clinical Practice, 2002 ; Clinical Therapeutics, 2005) and insulin spikes (Hypertension, 1985) after meals may be a risk factor for atherosclerosis. Theoretically, this could mean that having meals close to HGH shots could increase the risk of atherosclerosis, but there seems to be no direct evidence from the studies.

To prevent high blood glucose spikes after meals one can try to avoid foods with quickly absorbable carbohydrates, such as sugar (sweets and sweetened beverages) and plain starch (white bread, pasta and rice, potatoes, cornflakes, instant oats) (Harvard.edu).

It may also be a good idea to get tested for Hb1ac - increased values are a sign of chronically elevated blood glucose.

2) Human Growth Hormone and Diabetes

Treatment with human growth hormone can increase insulin resistance, but can increase the risk for diabetes type 2 mainly in individuals with other predisposing factors, such as obesity and family history of diabetes.

Study 1) Human growth hormone (HGH) replacement therapy at a low-dose (9.6 μg/kg body weight/day) can increase insulin resistance after 1 week and 6 months of therapy (JCEM, 2003).

Study 2) The effect of 3 months of recombinant human growth hormone (GH) therapy on insulin and glucose-mediated glucose disposal and insulin secretion in GH-deficient adults (JCEM, 1994):

We conclude that short term low dose rhGH treatment of GH-deficient adults induces a temporary state of mild glucose intolerance, hyperinsulinemia, insulin resistance, and raised NEFA levels at 1 week. By 3 months, these metabolic disturbances had returned to baseline for a persisting modest hyperinsulinemia.

Study 3) Incidence of Diabetes Mellitus and Evolution of Glucose Parameters in Growth Hormone–Deficient Subjects During Growth Hormone Replacement Therapy (Diabetes Care, 2012):

Diabetes incidence appears to be increased in GH-deficient patients receiving GHRT [growth hormone replacement therapy] and exhibiting an adverse risk profile at baseline.

Study 4) Incidence of diabetes mellitus and impaired glucose tolerance in children and adolescents receiving growth-hormone treatment (Lancet, 2000):

We postulate that the higher than expected incidence of type 2 diabetes mellitus with GH treatment may be an acceleration of the disorder in predisposed individuals.

Conclusion: Even if meals near HGH shots increase blood glucose and insulin levels, there is no direct evidence from studies that they actually increase the incidence of diabetes or atherosclerosis.

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