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Growth Hormone

Growth hormone (GH) is a peptide hormone that regulates growth in youth, and in adults is thought to promote fat loss and longevity. Increasing growth hormone should improve these goals, but supplements are currently lacklustre.

Research analysis led by and reviewed by the Examine team.
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Human Effect Matrix

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The Human Effect Matrix looks at human studies to tell you what supplements affect Growth Hormone.

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Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Supplement Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-b
Minor
- See all 5 studies
Arginine has been implicated in increasing growth hormone (at rest) and suppressing an exercise-induced increase in growth hormone; both of these are short in duration, and it is unsure if there are any long lasting effects of such short a spike.
grade-c
Notable
- See all 4 studies
During exercise, creatine supplementation can suppress growth hormone secretion: up to 35% during loading; up to 5% during maintenance. At rest, creatine supplementation can spike growth hormone by up to 83±45%. This bidirectional effect is similar to that of arginine supplementation.
grade-c Minor Very High See 2 studies
Has noted an increase in circulating growth hormone, but measurements were acute (whole-day measurements of growth hormone are more reliable due to hourly fluctuations)

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Things to Note

Also Known As

GH