Intermittent Fasting and HGH: Does a 16 hour fast increase HGH?
                                
                                
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                                    4 min read                                
                            
                                Studies have shown that short-term fasting can raise circulating Human Growth Hormone (HGH) by hundreds, and sometimes thousands, of percentage points. But **does a 16 hour fast increase HGH**, and how does this popular fasting protocol compare to longer fasts for hormonal benefits?