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12-Minute Workout Spikes Anabolic Hormones

All You Need is a Kettlebell by Gareth Sapstead T-Nation Swing for a Quick Hormone Boost A 2014 study showed 12 minutes of kettlebell swings significantly increased testosterone and growth hormone immediately and for up to 30 minutes afterward (1): Testosterone increased by 17 percent. Growth hormone by a whopping 1700 percent. Now, acute hormonal responses aren’t …